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DANIELS

ELECTRONICS LTD.

MT-3 RADIO SYSTEMS

PAGING MODULATOR

INSTRUCTION

MANUAL

CI-PM-3

Covers models: CI-PM-3-00

transmitted in any form or by any means, electronic, mechanical, photocopying, recording or other wise, without the prior written consent of

Daniels Electronics Ltd.

DE™ is a registered trademark of Daniels Electronic Ltd. registered in the United States Patent and Trademark Office.

Printing Date: Dec 2002 Daniels Electronics Ltd.

Issue Date: February 2002 Previous Issue Date: Nov 99 Victoria, BC

Issue: 4 Rev A Previous Issue: 3

Part No.: IM55-CIPM3 PRINTED IN CANADA

Summary of content (110 pages)

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DANIELS TM ELECTRONICS LTD. MT-3 RADIO SYSTEMS PAGING MODULATOR INSTRUCTION MANUAL CI-PM-3 Covers models: CI-PM-3-00 Copyright © 2002 Daniels Electronics Ltd. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or other wise, without the prior written consent of Daniels Electronics Ltd. DE™ is a registered trademark of Daniels Electronic Ltd.
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Reviewed By: NOTE: The user's authority to operate this equipment could be revoked through any changes or modifications not expressly approved by Daniels Electronics Ltd. The design of this equipment is subject to change due to continuous development. This equipment may incorporate minor changes in detail from the information contained in this manual.
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TABLE OF CONTENTS Page 1 GENERAL............................................................................................................................ 1-1 1.1 Introduction .......................................................................................................... 1-1 1.2 Construction ......................................................................................................... 1-2 1.3 Printed Circuit Board Numbering Convention.................................................
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ALIGNMENT PROCEDURE AND INSTALLATION CONTINUED 3.13 Repeater Configuration......................................................................................... 3-8 3.13.1 Base Transmitter Site CI-PM-3 Configuration ............................................... 3-8 3.13.1.1 Digital-Only Paging.................................................................................. 3-8 3.13.1.2 Analog/Digital Paging............................................................................... 3-8 3.13.
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LIST OF TABLES Page Data / Control Port (Connector J1) Pin Functions................................................ 4-1 Motherboard Interface Connector P1 Pin Functions............................................. 4-1 Delay Settings....................................................................................................... 4-3 CI-PM-3 Default Jumper Settings........................................................................ 4-4 CTCSS Jumper Settings..........................................
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1 1.1 GENERAL Introduction The CI-PM-3 Paging Modulator module is an optional plug-in component of the MT-3 Radio Repeater System. This module provides digital and/or analog paging capability for Daniels MT-3 transmitters in all supported frequency bands. The CI-PM-3 is designed for low power consumption, typically drawing less than 250 mA in steady state. In its standard configuration, the CI-PM-3 uses an on-board frequency reference source consisting of a 10 MHz OCXO with a standard stability of 0.
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1.2 Construction The CI-PM-3 Paging Modulator is packaged in a compact Eurostandard shell module housing of nickel/steel with an anodized aluminum front panel. Corrosion resistant fasteners are used throughout the assembly. 1.3 Printed Circuit Board Numbering Convention To ease troubleshooting and maintenance procedures, Daniels Electronics Limited has adopted a printed circuit board (PCB) numbering convention in which the last two digits of the Circuit Board number represent the Circuit Board version.
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Frequency Stability: Standard: Optional: ±0.03ppm from -40°C to +60°C External High Stability ±0.002ppm from -40°C to +60°C (requires WWV or GPS reference source). Duty Cycle: Continuous, 100% from -40°C to +60°C Audio Response: 0 Hz to 3.4 kHz Maximum Deviation: +/- 50 PPM Analog / Digital PTT Activation: Front panel connector and rear motherboard connection Current Consumption: +13.8 VDC supply: +9.
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1.4.2 CTCSS Decoder/Encoder (Option) Manufacturer: Communications Specialists Inc. Model Number: TS-64 Number of Tones: 64 Frequency Range of Tones: 33.0 to 254.
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1.4.3 Physical Specifications Physical Dimensions: Width: 3.5 cm (1.38") Module Weight: 0.4 kg (1 lb.) Corrosion Prevention: Anodized aluminum construction with stainless steel hardware. Selectively applied Conformal coated glass epoxy 4 layer printed circuit boards. Gold plated module connectors. Module Design: Compact Eurostandard modular design. Plug-in module mates with Daniels standard 19" M3 repeater subrack. Interchangeable for test and repair.
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2 THEORY OF OPERATION DANIELS TM ELECTRONICS LTD CI-PM-3 Paging Modulator Instruction Manual 2-1
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3 3.1 ALIGNMENT PROCEDURE AND INSTALLATION General The CI-PM-3 Paging Modulator is by default configured for stand-alone base station paging, using 2-Level paging data with a binary polarity of 1, and using the on-board +/-0.03 PPM 10 MHz OCXO. Table 4-4 contains a complete list of CI-PM-3 default jumper settings. The CI-PM-3 can also be configured for 4-level signal (base transmitter only) paging, remote paging, link repeater or higher stability operation.
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3.4 Installation 1. Install the Daniels EC-96 Extender Card in either the far left-hand or the far right-hand slot of the subrack (as viewed from the front). Remove the side covers of the CI-PM-3 Paging Modulator and attach the 96-Pin Extender Cable between it and the Extender Card. 2. Apply +13.8 VDC power to the Subrack. Allow approximately 15 minutes for warm-up. 3.5 Alignment Refer to Figure 5-1 for the location of the CI-PM-3 module front panel controls. 1.
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4. Monitor the Communications Test Set and adjust FREQ ADJ potentiometer R82 for the transmitter operating frequency +/-1 Hz. 5. Set the transmitter front panel NORM/KEY TX switch to NORM and replace JU6-A. 3.7 Reference (Analog Paging) Adjustment CI-PM-3 Reference frequency adjustment is factory set. It is strongly recommended that they not be altered. The following procedure applies only if field adjustment is required. 1. Ensure shunt jumper JU6-A is installed. 2.
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5. Set SW3 (SET MOD) to 2 LEVEL, and SW4 (SET DEV) to the Data “1” (top) position. For a VHF system adjust R5 (2-LVL +Dev) for +4.8 kHz deviation (4.8 kHz above center frequency). For a UHF system adjust R5 for +4.2 kHz deviation. 6. Change SW4 (SET DEV) to the Data “0” (bottom) position. For a VHF system adjust R6 (2-LVL -Dev) for -4.8 kHz deviation (4.8 kHz below center frequency). For a UHF system adjust R6 for –4.2 kHz deviation. 7. Set shunt jumper JU23-B. 8. Change SW3 (SET MOD) to 4 LEVEL.
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Steps 8 and 9 apply to Daniels UHF transmitters. 8. Monitor TP12 with an oscilloscope. 9. Adjust the PLL CAL potentiometer R101 until the voltage measured at TP12 is over 2.7 volts. You should observe a clean DC voltage when the PLL locks in. Any voltage below 2.7 volts results in a badly distorted 10 MHz square wave. 10. Replace shunt jumper JU6-A. 3.11 Data Delay Setup 1.
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3.12 Simulcast Delay Setup A typical Simulcast system is depicted in Figure 5-2. To correctly determine the differing propagation path delays to each transmitter in a Simulcast system and compensate for them, signal delays in both the transmission medium and the equipment must be known. For the purposes of this manual, it is assumed that only Daniels MT-3 radio equipment will be utilized at each paging site, and that each radio subrack will be identically configured with CI-PM-3 Paging Modulator modules.
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The delay calculations for any paging transmitter site in a multiple-transmitter system, with distances measured from the site of interest back to the BASE TX, becomes: Delay(Site of Interest) = (d(Furthest Site) (km) - d(Site of Interest) (km)) × 3.33µsec or = (d(Furthest Site) (mi) - d(Site of Interest) (mi)) × 5.
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3.13 Repeater Configuration The CI-PM-3 modules at both the base transmitter and paging/repeater must be configured individually. Individual setup procedures must also be followed for analog/digital paging and for digital-only paging. Note: The CI-PM-3 modules must be set for 2-level signal operation only when configured for use in a paging repeater system. 3.13.1 Base Transmitter Site CI-PM-3 Configuration The setup instructions of sections 3.13.1 through 3.13.
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3.13.2.1 Digital-Only Repeater 1. Install shunt jumpers JU41-C and JU23-A, JU23-B or JU23-C. 2. Install surface mount jumpers JU7-B, JU8-B, JU10-A, JU19/JU45, JU20/JU21, JU22, JU29/JU43, and JU55. 3. Remove surface mount jumpers JU34, JU51, JU52, JU53 and JU54. 3.13.2.2 Analog/Digital Repeater Ensure the TS-64 CTCSS Module, MOD1, is installed. Refer to section 3.13.3 for TS-64 CTCSS Module Configuration and settings for jumpers JU52, JU53 and JU54. 1.
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3. To place the TS-64 in monitor mode (i.e. over-ride the decoder and unmute the receiver audio for channel monitoring): a) Ensure TS-64 jumper JP11 is removed. b) Ensure the TS-64 Hang-up Input is floating or above ground potential: i) Remove jumpers JU52 and JU53, or ii) Remove jumper JU52, install jumper JU53, and leave CTCSS HU/BUSY input J1 Pin 11 floating. 4. To disable paging transmission while the channel is busy: a) Install TS-64 jumper JP11.
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4 4.1 CONNECTOR PIN FUNCTIONS AND JUMPER FUNCTIONS Data / Control Port (Connector J1) Pin Functions Table 4-1 PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 4.2 Data / Control Port (Connector J1) Pin Functions NAME 2-Lvl Data 4-Lvl Data Ext Clock 2-Lvl/4-Lvl Select A/D Mode Select Discr O/P PTT Ground Balanced Audio I/P 1 Balanced Audio I/P 2 Data Out HU/Busy No Connection No Connection No Connection FUNCTION 2 Level RS-232 Data input. 4 Level RS-232 Data input.
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PIN C9 B9 A9 C10 B10 A10 C11 B11 A11 C12 B12 A12 C13 B13 A13 C14 B14 A14 C15 B15 A15 C16 B16 A16 C17 B17 A17 C18 B18 A18 C19 B19 A19 C20 B20 A20 C21 B21 A21 C22 B22 A22 C23 B23 A23 C24 B24 A24 C25 B25 A25 C26 B26 A26 DANIELS NAME ALARM 4 TX A STANDBY TX B STANDBY RX A SQL OVERRIDE RX A DISC O/P TX A PTT OUT ALARM 5 SPARE 5 SPARE 6 RX A SQL FLAT RX A ISO COR A RX A ISO COR K ALARM 6 RX A DISC L/P O/P RX B DISC L/P O/P RX B SQL DE-EMP SPARE 3 SPARE 4 ALARM 7 RX A SIG STREN RX B SIG STREN TX B BAL I/P 1 TX B
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PIN C27 B27 A27 C28 B28 A28 C29 B29 A29 C30 B30 A30 C31 B31 4.3 NAME TX B CSEL D1 TX B CSEL D2 TX B CSEL D3 RX B DISC O/P RX B ISO COR K RX B ISO COR A RX B CSEL D0 RX B CSEL D1 RX B CSEL D2 RX B BAL O/P 1 RX B BAL O/P 2 RX B SQL FLAT RX B CSEL D3 RX A PRIORITY COR FUNCTION TX B Channel Select Line No. D1 TX B Channel Select Line No. D2 TX B Channel Select Line No.
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4.4 CI-PM-3 Circuit Board Jumpers Table 4-4 REF. DESIG.
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REF. DESIG. JU51 JU52 JU53 JU54 JU55 JU56 JU57 JU58 JU59 JU60 4.5 REF. DESIG. JP1-JP6 JP7 JP8-JP10 JP11 CTCSS Jumper Settings DEFAULT DESCRIPTION POSITION CTCSS Tone Frequency Select * RX Audio Mute Polarity (Installed: Mute = Open, Not Installed: Mute = Ground) Installed TX Time-Out-Timer Interval Select * Hang-Up/Busy-Input Configure (Installed = Busy-Input, Not Installed = Hang-Up Input) Not Installed Refer to TS-64 Instruction Sheet for configuration details.
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4.8 Transmitter Audio Processor Jumper Settings Figure 4-1 JU35 JU38 Transmitter Audio Processor V1.6 Jumper Settings JU1 JU11 JU9 JU15 JU34 JU6 100nF JU28 JU8 JU27 CIPM3M6A Table 4-7 Transmitter Audio Processor V1.6 Jumper Settings JUMPER JU1 JU6 (VHF) JU6 (UHF) JU8 JU9 JU11 JU10 POSITION Y Replaced with 100nF Short Short Open Open Short POSITION Open Y Y Y Y Y All other jumper settings as per the factory defaults. Note: Figure 4-2 Transmitter Audio Processor V1.
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JU11 JU12 JU13 JU14 JU15 JU16 JU17 JU18 JU19 JU20 JU21 JU22 JU23 JU24 JU25 JU26 JU27 JU28 JU29 JU30 JU31 JU32 JU33 JU34 JU35 JU36 JU37 JU38 JU39 JU40 JU41 JU42 JU43 Y OUT OUT OUT OUT OUT OUT OUT X Y Y X OUT OUT OUT OUT Y Y OUT OUT OUT OUT OUT Y OUT Y OUT OUT OUT OUT OUT OUT OUT / IN OUT OUT / IN IN / OUT OUT OUT X Y Y X OUT / IN OUT OUT OUT Y Y OUT OUT OUT OUT OUT Y OUT OUT OUT OUT / X OUT OUT OUT OUT OUT OUT DANIELS Balanced Input To Auxiliary Audio Circuit Enable Tone/Digital Input To Auxiliary Audi
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Figure 4-3 Transmitter Audio Processor V2.3 Jumper Settings JU27 X JU25 Y X JU43 JU20 Y JU8 X JU35 JU8 JU34 X JU42 Y CIPM3M8A Table 4-9 JUMPER JU8 JU20 JU21 JU25 JU27 JU34 JU42 JU43 DANIELS Transmitter Audio Processor V2.
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4.9 Transmitter Synthesizer Jumper Settings Figure 4-3 VHF and (400 MHz) UHF Synthesizer Analog PCB Jumper Settings Top View Of PCB A B JU1 CIPM3M8 Jumper JU1 must be installed in the ‘A’ position to enable the external reference option. Figure 4-4 VHF and (400 MHz) UHF Synthesizer Digital PCB Jumper Settings Bottom View of PCB JU2 CIPM3M10 Jumper JU2 must be installed to enable the 10MHz reference option.
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4.10 CI-PM-3 Test Points Table 4-10 TEST POINT TP1 TP2 TP3 TP4 TP5 TP6 TP7 TP8 TP9 TP10 TP11 TP12 TP13 TP14 TP15 TP16 TP17 DANIELS CI-PM-3 Test Points DESCRIPTION +8 Vdc Supply +4 Vdc Supply +5 Vdc Supply Analog / Digital Mode (High = Digital, Low = Analog) 2 Level Data (TTL) OCXO 9.5 Vdc Supply Positive and Negative Edge Integrator Output Data Delay Programmable Counter Output. Input to Data Delay Circuitry 2 Level Data Level Adjusted Paging Signal OCXO Reference Adjust (nominally 2.
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5 5.
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6 6.
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7 REVISION HISTORY Issue Issued Revised Details 3 Nov 99 N/A All prototype updates incorporated in this issue. All previous revision history in preliminary issue 3 (Pre3). Jan 02 4 Jan 02 New Issue, incorporates all changes since release of Issue 3. 4A Dec 02 DANIELS New CI-PM-3 version to accommodate multiple footprints for U4 ( AD9901 ) , and incorporate changes to the reference input circuit ( MMIC removed ).
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DANIELS TM ELECTRONICS LTD. MT-3 RADIO SYSTEMS UHF TRANSMITTER INSTRUCTION MANUAL UT-3 896 - 960 MHz Covers models: UT-3/900-SWB3, UT-3/935-SWB3, UT-3/950-SWB3, UT-3/900-SNB3, UT-3/935-SNB3, UT-3/950-SNB3. Copyright © 1998 Daniels Electronics Ltd. All rights reserved.
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Reviewed By: Quality Assurance: Larry Freeman Name Signature _________________ Date NOTE: The user's authority to operate this equipment could be revoked through any changes or modifications not expressly approved by Daniels Electronics Ltd. The design of this equipment is subject to change due to continuous development. This equipment may incorporate minor changes in detail from the information contained in this manual.
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TABLE OF CONTENTS Page 1 GENERAL..................................................................................................................1-1 1.1 Introduction.....................................................................................................1-1 1.2 Manual Organization.......................................................................................1-1 1.3 UT-3 896 - 960 MHz Transmitter Family Models..........................................1-2 1.4 Performance Specifications..
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1 GENERAL 1.1 Introduction The UT-3 896 - 960 MHz transmitter is a low power, synthesized, FM transmitter, capable of operation in 6.25 KHz channels. The transmitter operates in three frequency bands: 896 - 902 MHz, 928 - 935 MHz, and 935 - 960 MHz and power output is adjustable from 0.5W to 3.0W. A modular design allows each of the transmitter's modules: OS-3 896 - 960 MHz synthesizer, UT-3 800/900 amplifier, MT-3 audio processor, and MT-3 transmitter main board to be individually assembled and tested.
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UHF Amplifier Instruction Manual UT-3 806 - 960 MHz : The amplifier module provides the final stages of RF power amplification and harmonic filtering for the transmitter. This manual is intended primarily as a reference since the amplifier module is adjusted at the factory. Low Current Synthesizer Instruction Manual OS(R/T)-3 132 - 960 MHz: This manual pertains to the enhanced synthesizer module.
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Frequency Generation: Synthesized (internal plug-in module: 2 bands). Reference Frequency: 9.600000 MHz. Channel Selection: In 6.25 kHz increments selected through four internal BCD rotary switches. Preset capability for 16 channel memory selectable through external control. Frequency Stability: Standard: Optional: Optional: System Impedance: 50 Ω; Type N (Standard). Duty Cycle: 100%; Continuous operation +60°C Spurious Emissions: More than -80dB below carrier.
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DOC Type Approval: RSS119 RSS122 FCC Type Acceptance: H4JUT-3-900-SN03 H4JUT-3-900-SW03 H4JUT-3-930-SN03 H4JUT-3-930-SW03 H4JUT-3-950-SN03 H4JUT-3-950-SW03 1.4.2 142 194 305 142 221 131 (896-902 MHz, narrow band) (896-902 MHz, wide band) (928-935 MHz, narrow band) (928-935 MHz, wide band) (935-960 MHz, narrow band) (935-960 MHz, wide band) Audio Specifications Audio Input: Balanced 600 ohm or unbalanced (optional). Input level sensitivity, -25 dBm to 0 dBm.
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1.4.3 Physical Specifications Physical Dimensions: Width: Height: Depth: 7.1 cm (2.8 in) 12.8 cm (5.05 in) 19 cm (7.5 in) Module Weight: 1.5 kg (3.3 lbs) Corrosion Prevention: Anodized aluminum construction. Stainless steel hardware. Selectively conformal coated glass epoxy 2 and 4 layer printed circuitboards. Gold plated module connectors. Module Design: Compact Eurostandard modular design. Plug-in modules mate with Daniels standard M3 repeater subrack.
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2 SYSTEM OVERVIEW 2.
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3 ILLUSTRATIONS 3.1 MT-3 Transmitter Front Panel TRANSMITTER FACTORY SET OPERATING FREQUENCY FREQUENCY (MHz) 33.25000 951.0000 TRANSMIT INDICATOR LED TX ON / OFF SWITCH NORM OFF KEY TX MICROPHONE CONNECTOR MIC RF OUT REFERENCE TYPE N RF OUTPUT JACK SMA REFERENCE INPUT JACK INPUT DANIELS GREEN TEXT ELECTRONICS LTD.
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3.2 MT-3 Transmitter Case - Exploded View B A B B A B 3 FINGER GASKET (2) A MT3TXM2B A Transmitter Case Removal: 1. Remove screws A (four M3x8mm). 2. Remove screws B (four M5x8mm). 3. Hold front panel and pull case.
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4 PARTS LIST DANIELS DE ELECTRONICS UHF Transmitter Instruction Manual UT-3 896 - 960 MHz 4-1
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5 REVISION HISTORY ISSUE DATE DESCRIPTION AND (REASON) 5 • Manual formatted to modular style. All previous revision history in issue 4.
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DANIELS TM ELECTRONICS LTD. MT-3 RADIO SYSTEMS TRANSMITTER MAIN BOARD INSTRUCTION MANUAL Covers: Version 1.7 of the Transmitter Main Board Version 1.6 & 1.8 of the FM Audio Processor Board Copyright © 1998 Daniels Electronics Ltd. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior written consent of Daniels Electronics Ltd.
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Reviewed By: Quality Assurance: Larry Freeman Name Signature _________________ Date NOTE: The user's authority to operate this equipment could be revoked through any changes or modifications not expressly approved by Daniels Electronics Ltd. The design of this equipment is subject to change due to continuous development. This equipment may incorporate minor changes in detail from the information contained in this manual.
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TABLE OF CONTENTS Page 1 GENERAL .................................................................................................................. 1-1 1.1 Introduction.................................................................................................... 1-1 1.2 Performance Specifications............................................................................ 1-1 1.2.1 General............................................................................................... 1-1 1.2.
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2.4.1 General............................................................................................... 2-12 2.4.2 Power Requirements .......................................................................... 2-12 2.4.3 Audio Processor Turn-on Time.......................................................... 2-13 2.4.4 Audio Processor Signals.................................................................... 2-13 2.4.4.1 Audio Processor Outputs.......................................................
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5.2.1 Transmitter Main Board Top Side Component Layout ...................... 5-3 5.2.2 Transmitter Main Board Bottom Side Component Layout................. 5-4 5.2.3 Transmitter Main Board Schematic Diagram ..................................... 5-5 5.3 Front Panel Board.......................................................................................... 5-6 5.3.1 Front Panel Board Component Layout............................................... 5-6 5.3.2 Front Panel Board Schematic.....................
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1 GENERAL 1.1 Introduction The MT-3 Transmitter Main Board integrates the MT-3 Front Panel Board, MT-3 Audio Processor, Synthesizer or Crystal Controlled Oscillator module, and Amplifier module together to comprise a MT-3 series transmitter (see section 5.1: MT-3 Transmitter Block Diagram).
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1.2.2 Audio Specifications Audio Input: Balanced 600 ohm or unbalanced (optional). Input level sensitivity, -25 dBm to 0 dBm. Audio Response: Pre-emphasis (6 dB per octave); +0.5 to -2.0 dB from 300 Hz to 3 kHz; Flat Audio Response: +1 to -1 dB from 100 Hz to 3 kHz. Audio Deviation: Preset to ±1.5 kHz (Narrow Band) or ±3.0 kHz (Wide Band) with a 1 kHz tone (capable ±2.5 kHz or ±5.0 kHz). Subtone Audio Input 1: 0.5 Vpp at 200 Hz for ±500 Hz deviation (internally adjustable).
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2 THEORY OF OPERATION 2.1 Transmitter Main Board 2.1.
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3 TRANSMITTER ALIGNMENT 3.1 General Transmitter alignment is simplified by using an M-3 Subrack, SM-3 System Monitor, and RF extender cable to provide transmitter power and signal interconnection. Alternatively, +9.5 Vdc and +13.8 Vdc may be applied directly to a transmitter module through positive connection for the +9.5 Vdc to pins B6 and Z6, for the +13.8 Vdc to pins B2 and Z2, and negative connection to pins B30, Z30, B32, and Z32. Transmitter balanced audio (600 Ω) is available at pins B18 and Z18.
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Radio communications test set : Marconi Instruments 2955R VSWR 3:1 mismatch load: JFW 50T-035-3.0:1 Alignment Tool: Johanson 4192 It is recommended that the radio communications test set be frequency locked to an external reference (WWVH, GPS, Loran C) so that the high stability oscillator may be accurately set to within its ±1 ppm frequency tolerance. 3.
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• Jumper J26: • Jumper J27: • Jumper J28: • Jumper J29: • Jumper J31: • Jumper J32: • Jumper J33: • Jumper J34: • Jumper J35: installed not installed not installed installed installed not installed installed installed installed Time-Out-Timer Timing resistor select. Time-Out-Timer Timing resistor select. Time-Out-Timer Timing period output select. Time-Out-Timer Timing period output select. Time-Out-Timer Timing period output select. Time-Out-Timer Timing period output select.
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• Jumper JU11: not installed • Jumper JU12: not installed • Jumper JU13: not installed • Jumper JU14: not installed • Jumper JU15: not installed • Jumper JU16: not installed • Jumper JU17: installed • Jumper JU18: not installed • Jumper JU19: 'y'position • Jumper JU20 to JU22: • Jumper JU23: not installed • Jumper JU24: installed • Jumper JU25: installed • Jumper JU26: installed • Jumper JU27: not installed • Jumper JU28: not installed • Jumper JU29: not installed • Jumper JU30: not installed • Jumper JU31:
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3.6.2 MT-3 Transmitter Board Test Points TP1: squelched, de-emphasized audio / +13.8 Vdc TP2: microphone audio TP3: microphone PTT WTO; inactive +9.5 Vdc, active 0 Vdc TP4: microphone PTT NTO; inactive +9.5 Vdc, active 0 Vdc TP5: +9.5 Vdc from backplane connector TP6: +9.5 Vdc from front panel board TP7: +9.5 Vdc Switched TP8: Qualified PTT; inactive +9.
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To remove the Enhanced Synthesizer or Crystal Controlled Oscillator module, simply remove the center screw from the module lid and pull the module out. The module should be pulled straight out so that the four alignment pins do not bend or damage the circuitboard. The Low Power Synthesizer uses two tabs soldered to the Transmitter Main Board for mounting. No alignment pins are used. As a result care must be taken to ensure the connector pins on the bottom of the Synthesizer are not bent.
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4 Turn the transmitter on. 5 Adjust the balance compression level (R38) for compression at ±60% maximum deviation. 6 Set the audio frequency to 2.4 kHz, then adjust the deviation control (R29) for maximum deviation. 7 Reset the modulating frequency to 1 kHz and re-adjust R38 for ±60% maximum deviation. 8 Repeat steps 6 and 7 until both conditions are met. 9 Vary the audio signal from 1 kHz to 3 kHz and measure the positive deviation and then the negative deviation.
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17 Apply a 1 kHz tone at -8 dBm to the microphone audio input. Set the microphone compression control (R8) to produce ±60% maximum deviation. Reduce the signal to -10 dBm and adjust the microphone input level control (R2) for ±50% maximum deviation. Remove the signal. 18. Apply a 100 Hz tone at -18 dBm to the subtone 1 input and adjust the subtone 1 level control (R42) to produce ±500 Hz deviation. Remove the signal. 3.
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• Jumper JU10: • Jumper JU11: • Jumper JU12: • Jumper JU13: • Jumper JU14: • Jumper JU15: • Jumper JU16: • Jumper JU17: • Jumper JU18: • Jumper JU19: • Jumper JU20: • Jumper JU21: • Jumper JU22: • Jumper JU23: • Jumper JU24: • Jumper JU25: • Jumper JU26: • Jumper JU27: • Jumper JU28: • Jumper JU29: • Jumper JU30: • Jumper JU31: • Jumper JU32: • Jumper JU33: • Jumper JU34: • Jumper JU35: • Jumper JU36: • Jumper JU37: • Jumper JU38: • Jumper JU39: • Jumper JU40: • Jumper JU41: • Jumper JU42: • Jumper JU43: n
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3.10 MT-3 Audio Processor Alignment (Version 1.8) 3.10.1General Verify the standard factory settings for the MT-3 Audio Processor as given in section 3.9.1 before beginning the standard deviation adjustment procedure. If the transmitter's channel frequency changes, the audio processor should be realigned to optimize the transmitter's performance. The schematic diagram for the audio processor is shown in section 5.5.2 and the component layout is shown in section 5.5.1. 3.10.
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10 Adjust the balanced input level control (R31) so that the deviation increases until compression is observed. The deviation should be ±1.5 kHz or ±3 kHz for narrowband and wideband channels respectively. 11 Increase the input level (R31) by +20 dBm, it should not increase the deviation more than maximum. This confirms that the AGC action of preamplifier U1 is working. 12 A 2.4 kHz tone at the desired audio input level should produce the maximum deviation.
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MT-3 Transmitter (board version 43-920910 through 43-920911) • J6 installed (synthesizer always powered up by +9.5V SWITCHED line). • J7 installed in 'X' position (audio processor always powered up by +9.5VSWITCHED line). • solder a wire from JA4-2 of main board to J51-18 of synthesizer. This connects the subtone output 2 to the synthesizer's phase modulation input. MT-3 Transmitter (board version 43-920912 through 43-920913) • J6 installed (synthesizer always powered up by +9.5V SWITCHED line).
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input to the transmitter to be used to gain access to the SUBTONE INPUT 2 which connects to the PHASE MOD IN input of a modified synthesizer. • Make sure J13 and J16 are not installed. Figure 3-1 Transmitter Audio Processor Low Frequency Modulation.
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3.11.4Tuning the Transmitter For all MT-3 transmitters, apply a low impedance source of 20-300 Hz to the Direct Modulation input of the transmitter (Pin Z28 of the 48 pin connector) through a 22 uF capacitor, positive terminal connected to pin Z28. A Marconi 2955 works well for this test. Adjust R44 on the audio processor to the fully clockwise position. • Apply a 100 Hz tone at -8 dBm to the Direct Modulation input of the transmitter (Pin Z28 of the 48 pin connector, and key the transmitter.
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4 TRANSMITTER INTERCONNECT PIN DEFINITIONS The MT-3 series Transmitter employs a 48 pin Eurostandard connector for interfacing to all transmitter power, audio, and control functions. The following are the MT-3 series Transmitter backplane connections to the M-3 Motherboard.
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5 ILLUSTRATIONS AND SCHEMATIC DIAGRAMS 5.1 Transmitter Block Diagram MT3TXMNM1D DANIELS TM ELECTRONICS LTD.
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6 PARTS LISTS 6.1 Transmitter Main Board Parts List 6.1.
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7 REVISION HISTORY ISSUE DATE REVISION 1 August 97 First Issue. Sept. 97 Included PCB version 1.4 Component Layout and Schematic diagrams. Dec 97 Main PCB version now 1.7 (ECO 515). • BCD Switches changed from Surface Mount Part to Through Hole Part. • Audio Amplifier was removed because this option was never used. • Added Timer Out Timer circuitry to Main Tx Board. • TOT PCB no longer installed on Audio Processor. For A21-TX3-00 TX MAIN/FP, MT-3, STANDARD A21-TX3-30 TX MAIN/FP, MT-3, + REF.
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ISSUE DATE REVISION 3 Updated the DE logo and added the statuary trademark statement to the title page. Updated the Low Frequency Modulation section 3.11 to reflect the in house document A0361-06.
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DANIELS TM ELECTRONICS LTD. MT-3 RADIO SYSTEMS ENHANCED AM/FM SYNTHESIZER INSTRUCTION MANUAL OS(R/T)-3(A/H) 29 - 935 MHz Preliminary Covers models: OST-3H035, OST-3H045, OSR-3H061 OST-3A128, OSR-3A149 OST-3H141, OST-3H162, OSR-3H141, OSR-3H162 OST-3H440, OSR-3H440 OST-3H932 Copyright © 2000 Daniels Electronics Ltd. All rights reserved.
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Reviewed By: Quality Assurance: Claudia Boorman Name Signature _________________ Date NOTE: The user's authority to operate this equipment could be revoked through any changes or modifications not expressly approved by Daniels Electronics Ltd. The design of this equipment is subject to change due to continuous development. The equipment covered by this manual may incorporate minor changes in detail from the information contained in this manual.
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TABLE OF CONTENTS Page 1 GENERAL .............................................................................................................................1-1 1.1 Introduction ...................................................................................................................1-1 1.2 OS(R/T)-3(A/H) Enhanced Synthesizer Family Models ..............................................1-1 1.3 Performance Specifications...............................................................................
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4.1 4.2 4.3 4.4 4.5 4.6 OS(R/T)-3H 29 - 71.4 MHz Analog Board Diagrams ..................................................4-1 4.1.1 OS(R/T)-3H 29 - 71.4 MHz Analog Board Component Layout (Bottom).......4-1 4.1.2 OS(R/T)-3H 29 - 71.4 MHz Analog Board Component Layout (Top) ............4-2 4.1.3 OS(R/T)-3H 29 - 71.4 MHz Analog Board Schematic Diagram......................4-3 OS(R/T)-3A 118 - 159.4 MHz Analog Board Diagrams ..............................................4-5 4.2.1 OS(R/T)-3A 118 - 159.
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1 1.1 GENERAL Introduction The OS-3A/H Synthesizer is a compact, fully shielded and environmentally rugged frequency synthesis module that is the nucleus of every MT-3 synthesized Receiver and Transmitter radio module. The OS-3A/H generates a high stability, low distortion radio frequency signal in one of several frequency bands, including 29 - 50 MHz, 118 - 159.4 MHz, 118 - 174 MHz, 406 - 470 MHz and 928 – 935 MHz. The OS-3A/H utilizes an internal temperature compensated 9.
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Frequency Band: 118 - 159.4 MHz, AM Multichannel OS-3H1xx Analog Board • OST-3A128 • OSR-3A149 - installed in AM transmitter, 118 - 138 MHz RF output. - installed in AM receiver, 139.4 - 159.4 MHz RF output. Frequency Band: 128 - 174 MHz, Common OS-3H1xx Analog Board • OST-3H141 • OST-3H162 • OSR-3H141 • OSR-3H162 - installed in FM transmitter, 128 - 152.6 MHz RF output. - installed in FM transmitter, 150 - 174 MHz RF output. - installed in FM receiver, 128 - 152.6 MHz RF output.
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1.3 Performance Specifications Type: Narrow band FM, Single loop synthesizer module utilizing low noise VCO and PLL technology. Compatible with Daniels MT-3 series Transmitter and Receiver modules. Frequency Range: 29 MHz - 38 MHz [±0.5 MHz] (OST-3H035) 38 MHz - 50 MHz [±1.0 MHz] (OST-3H045) 50.4 MHz - 71.4 MHz [±1.0 MHz] (OSR-3H061) 118 MHz -138 MHz [Full band] (OST-3A128) 128 MHz - 152.6 MHz [±2.0 MHz] (OST-3H141, OSR-3H141) 139.4 MHz - 159.4 MHz [Full band] (OSR-3A149) 150 MHz - 174 MHz [±2.
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1.4 Printed Circuit Board Numbering Convention To expedite troubleshooting and maintenance procedures, Daniels Electronics Ltd. has adopted a printed circuit board (PCB) numbering convention in which the last two digits of the circuit board number represent the circuit board version. All PCB's manufactured by Daniels Electronics Ltd. are identified by one of the following numbering conventions: • • 1-4 PCB number 43-912010 PCB number 50002-02 indicates circuit board version 1.
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2 2.
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3 SYNTHESIZER ALIGNMENT 3.1 General OS(R/T)-3(A/H) enhanced synthesizer alignment is simplified by using a Type 84 subrack and RF extender card/cable of providing receiver or transmitter power and signal interconnection. Alternately, +9.5 Vdc may be directly connected to a receiver or transmitter module with the positive connection on pins B6 / Z6 and the negative connection on pins B30 / Z30 / B32 / Z32. Receiver balanced audio (600 Ω) is available at pins B26 and Z26. 3.
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The corresponding internal synthesizer jumper settings are: 3.5 3.5.1 • • Digital Board Jumper JU2 not installed Jumper JU1 installed 9.6 MHz internal frequency reference selected AM Multichannel mode selected • • Analog Board Jumper JU1: 'B' position Jumper JU2 not installed Internal frequency reference selected Internal frequency reference selected OS(R/T)-3(A/H) Synthesizer Alignment General Under normal circumstances (i.e.
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3.5.3 Synthesizer Removal and Installation The synthesizer module is secured to the main board (MT-3 Receiver IF/Audio Board or MT-3 Transmitter Main board) with a single counter sunk Phillips machine screw accessible from the top cover. Remove this screw to remove the synthesizer module.
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The measured RF output signal should be within ±1.0 ppm of the specified oscillator frequency at an output level of +5 dBm. Note that unlocked synthesizer operation will be indicated by an unstable or spurious RF output signal. The "Unlocked" red LED will also be illuminated when the PLL is unlocked. Check that the requested channel number is within the frequency range of the particular synthesizer model.
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synthesizer will result in unlocked operation. The tuning range capability of all synthesizer models is listed in the Specifications section (1.3) of this manual. 3.5.5.2 VHF OS(R/T)-3A 118 - 159.4 MHz Alignment Refer to the "OS(R/T)-3A 118 - 159.4 MHz Analog Board Component Layout" diagram and the "OS(R/T)-3A 118 - 159.4 MHz Analog Board Schematic Diagram" on pages 4-5, 4-6 and 4-7 of this manual.
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3.5.5.4 UHF OS(R/T)-3H 406 - 470 MHz VCO Alignment Refer to the "OS(R/T)-3H 406 - 470 MHz Analog Board Component Layout" diagram and the "OS(R/T)-3H 406 - 470 MHz Analog Board Schematic Diagram" on pages 4-13, 4-14 and 4-15 of this manual. Using a high impedance (10 MΩ) DC Voltmeter, measure the PLL control voltage at TP4 located on the synthesizer module analog board (top). Access to TP4 is available through the synthesizer top cover.
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the synthesizer will result in unlocked operation. The tuning range capability of all synthesizer models is listed in the Specifications section of this manual. 3.5.5.6 Reference Frequency Alignment Adjust the synthesizer TCXO fine frequency potentiometer RV1 until the correct output frequency is achieved. Access to this potentiometer is through an opening in the synthesizer top cover.
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3.5.6 Jumper Configuration Solder jumpers are clearly marked on both synthesizer digital and analog circuit boards. Refer to the "OS(R/T)-3(A/H) Digital Board Component Layout (Bottom)" diagram on page 4-20 of this manual and the applicable "OS(R/T)-3(A/H) Analog Board Component Layout (Top)" diagram on page 4-21 for jumper locations. The following list details the required jumper configuration for the two synthesizer operating modes: 1) Internal reference.
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4 ILLUSTRATIONS AND SCHEMATIC DIAGRAMS 4.1 OS(R/T)-3H 29 - 71.4 MHz Analog Board Diagrams 4.1.1 OS(R/T)-3H 29 - 71.
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5 5.1 PARTS LISTS OS(R/T)-3H 29 - 71.
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6 REVISION HISTORY ISSUE DATE REVISION 1 May 97 • Issue 1 2 Mar 98 • Changes to the AM Analog board (OST-3A128) to improve performance. ECO #547. C37 was 220nF is now 100nF and C40 was 8.2pF is now not installed C45 was 33nF is now 22nF and C49 was 2.2nF is now 1.5nF R32 was 33kΩ is now 56kΩand R36 was 3k3Ω is now 5k6Ω 3 Mar 00 • Changes to the AM Analog board to improve performance at -40˚C. ECO #565. L4 was 1.5µH is now 3.9 µH • Changes to the FM Analog boards to improve manufacturing.
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ISSUE DATE REVISION 4 • Changes to the OS(R/T)-3(A/H) Digital board. ECO #599. R30, R31 & R32 were 332R are now 215R. Aug 00 • Changes to the OS-3H 406-470 MHz Analog board. ECO # 597. R48 was 27R4 is now 47R5, R49 was 33R2 is now 10R. R52 was 49R9 is now Not Installed. 6-2 Oct 00 • Added the TBA part numbers for U1- U4 & U18 on the OS-3A 118159.4 MHz Analog Board. Dec 00 • Changes to the OS-3H 29-71.4 MHz Analog Board. ECO #631 R22 eas 475R is now 1k00. Jan 01 • Change to the OS-3A 118-159.
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DANIELS TM ELECTRONICS LTD. MT-3 RADIO SYSTEMS UHF TX CHANNEL DESIGNATION TABLES UT-3/935 928 - 935MHz Covers models: UT-3/935-SWB3, UT-3/935-SNB3 Copyright © 1998 Daniels Electronics Ltd. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior written consent of Daniels Electronics Ltd.
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Reviewed By: Quality Assurance: Larry Freeman Name Signature _________________ Date NOTE: The user's authority to operate this equipment could be revoked through any changes or modifications not expressly approved by Daniels Electronics Ltd. The design of this equipment is subject to change due to continuous development. This equipment may incorporate minor changes in detail from the information contained in this manual.
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TABLE OF CONTENTS Page 1. CHANNEL DESIGNATION TABLES ...............................................................1-1 1.1 2 UT-3/935 Channel Designation Table: 928 - 935 MHz ..........................1-1 REVISION HISTORY .........................................................................................
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This Page Intentionally Left Blank DANIELS DE ELECTRONICS iv UHF Tx Channel Designation Tables UT-3 928 - 935 MHz
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1. 1.1 Chan. Num. 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 CHANNEL DESIGNATION TABLES UT-3/932 Channel Designation Table: 928-935 MHz,6.25 kHz Increments Freq. (MHz) 928.
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U(R/T)-3/900 Channel Designation Table: 896 to 902 MHz, 6.25 kHz Increments (continued) Chan. Num. 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 2935 2936 2937 2938 2939 2940 2941 2942 2943 2944 2945 2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 Freq. (MHz) 931.28125 0.28750 0.
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Chan. Num. 3450 3451 3452 3453 3454 3455 3456 3457 3458 3459 3460 3461 3462 3463 3464 3465 3466 3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 3477 3478 3479 3480 3481 3482 3483 3484 3485 3486 3487 3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502 3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 Freq. (MHz) Chan. Num. Freq. (MHz) Chan. Num. Freq. (MHz) Chan. Num. Freq. (MHz) Chan. Num. Freq. (MHz) Chan. Num. Freq. (MHz) Chan.
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2 REVISION HISTORY ISSUE DATE DESCRIPTION AND (REASON) 1 • Preliminary.
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