DANIELS TM ELECTRONICS LTD. MT-3 RADIO SYSTEMS VHF ENHANCED TRANSMITTER INSTRUCTION MANUAL Covers model: VT-3H035-SWA3, VT-3H045-SWA3 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. DE™ is a registered trademark of Daniels Electronics Ltd.
Document Control: This document has been produced, verified and controlled in accordance with Daniels Electronics’ Quality Management System requirements. Please report any errors or problems to Daniels Electronics’ Customer Service Department 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.
TABLE OF CONTENTS Page 1 GENERAL 1.1 Introduction.................................................................................................... 1-1 1.2 Manual Organization ..................................................................................... 1-1 1.3 VT-3H040 Transmitter Family Models ......................................................... 1-2 1.4 Performance Specifications ........................................................................... 1-3 1.4.1 General..................
1 GENERAL 1.1 Introduction The VT-3H040 transmitter is a low power, synthesized FM transmitter capable of operating in 20 kHz or 25 kHz channels and within one of two bands: 29 MHz to 38 MHz or 38 MHz to 50 MHz. The transmitter is rated for continuous duty at an RF output power of 3.0 Watt. The RF output power level is preset at the factory.
VT-3H040 VHF Amplifier: 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. OS-3H040 Synthesizer: This manual pertains to the synthesizer module. Channel selection is described in the 'Transmitter Main Board' Manual.
1.4 Performance Specifications 1.4.1 General The following is a general set of specifications for the generic VT-3H040 transmitter. Additional specifications, specific to individual modules may be found in their respective submanuals. Type: MT-3 Series Transmitter Family: VT-3H040 Compatibility: MT-2 Series and MT-3 Series Radio Systems Frequency Range: 29.0 MHz to 50.0 MHz RF Power Output: 3.0 Watt Fixed (± 1.5 dB with temperature and supply voltage).
Standby Current and rise time: (See also 'Transmitter Main Board Instruction Manual) 95 % RF power, 95 % system deviation within; • 10 ms: typ. 185 mA (Mode 4); • 25 ms: typ. 160 mA (Mode 2); • 50 ms: typ. 15 mA (Mode 1); • Mode 3 not used in Synthesized Transmitters. DOC Type Approval RSS119 Issue 6 FCC Type Acceptance: Parts 22, 90 FCC ID: H4JVT-3H040-S Operating Temperature Range: -30˚ C to +60˚ C, optional -40˚ C temperature test. Operating Humidity: 95% RH (non-condensing) at +25˚ C.
1.4.2 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); +1.0 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 ±3.0 kHz with a 1 kHz tone. Subtone Audio Input 1: 0.5 Vpp at 200 Hz for ±500 Hz deviation (internally adjustable). Subtone Audio Input 1 Frequency range: 60 Hz to 300 Hz. Subtone Audio Input 2: 0.
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.
3 ILLUSTRATIONS 3.1 MT-3 Transmitter Front Panel TRANSMITTER FACTORY SET OPERATING FREQUENCY FREQUENCY (MHz) 33.25000 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 ORANGE TEXT ELECTRONICS LTD.
3.
5 REVISION HISTORY ISSUE DATE DESCRIPTION AND (REASON) DANIELS DEELECTRONICS VT-3H040 VHF Enhanced Transmitter Instruction Manual 5-1
DANIELS TM ELECTRONICS LTD. MT-3 RADIO SYSTEMS FM TRANSMITTER MAIN BOARD INSTRUCTION MANUAL Covers: Main Board for UT-3/xxx-xxxx UHF FM Transmitters and VT-3/xxx-xxxx VHF FM Transmitters With: Version 1.8 FM Audio Processor Board or Version 2.3 FM Audio Processor Board Copyright © 2003 Daniels Electronics Ltd. All rights reserved.
Reviewed By: Quality Assurance: CLAUDIA BOORMAN Quality Manager 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.
TABLE OF CONTENTS 1 GENERAL .......................................................................................................................1-1 1.1 Introduction............................................................................................................1-1 1.2 Performance Specifications....................................................................................1-1 1.2.1 General Specifications......................................................................................
2.4 2.4.1 2.4.2 2.4.3 2.4.4 2.4.5 2.4.6 2.4.6.1 2.4.6.2 2.4.6.3 2.4.6.4 2.4.6.5 2.4.6.6 2.4.6.7 2.4.6.8 2.4.7 Version 2.3 Audio Processor .................................................................................2-15 Introduction......................................................................................................2-15 Version 2.3 FM Audio Processor Block Diagram ...........................................2-17 Factory Configuration......................................................
7.2.1 7.2.2 7.2.3 7.2.4 7.2.5 Wideband VHF and UHF Synthesized Transmitters.......................................7-3 Narrowband VHF and UHF Synthesized Transmitters....................................7-4 Wideband Crystal Transmitters........................................................................7-6 Narrowband Crystal Transmitters ....................................................................7-7 LTRTM Configuration .............................................................................
LIST OF FIGURES Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Audio Processor Block Diagram ........................................................................2-17 Interconnection Pin Layout Diagram ..................................................................2-18 Microphone and Balanced Input Circuitry, V2.3 Audio Processor .....................2-23 Limiter and Splatter Filter, V2.3 Audio Processor...............................................2-24 Bypassing Compression, V2.
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).
PTT Activation: • Active to ground with or without time-out-timer. • Microphone activated with or without time-out-timer. • Front Panel switch: KEY TX - without time-out-timer. • NORM - with or without time-out-timer. • Isolated (optional relay) with or without time-out-timer. PTT Time-Out-Timer: Selectable from 1 sec. to 8 hrs. (Factory Default: 5 min.). 1.2.2 Audio Specifications Audio Input: Balanced 600 ohm or unbalanced (optional). Input level sensitivity, -25 dBm to 0 dBm.
10 REVISION HISTORY Issue Issued Revised Details Transmitter Main Board Instruction Manual IM20-MT3TXMN 10-1
MT-3 RADIO SYSTEMS VHF AMPLIFIER INSTRUCTION MANUAL VT-3 29 - 50 MHz Covers Models: VT-3H040 Amplifier Copyright © 2003 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. Issue: Issue Date: Printing Date: Part No.
Reviewed By: Quality Assurance: CLAUDIA BOORMAN Quality Manager _________________ Date Signature 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. DANIELS TM ELECTRONICS LTD.
TABLE OF CONTENTS Page 1 GENERAL....................................................................................................................1-1 1.1 Introduction.......................................................................................................1-1 1.2 Performance Specification ................................................................................1-1 2 THEORY OF OPERATION.........................................................................................2-1 2.
1 GENERAL 1.1 Introduction The VT-3H040 Amplifier provides the final stage of RF amplification and filtering for the VT-3H040 and VT-3H040 Transmitters. The amplifier operates over one of two distinct frequency ranges; either 29 to 38 MHz or 38 to 50 MHz, depending on which of the two lowpass output filters is installed. The output power is set to 3.0 Watts by means of an externally accessed control.
Harmonic Emissions: Greater than 80 dB below the carrier. Spurious Emissions: Greater than 90 dB below the carrier. Transmitter Mismatch Protection: 20:1 VSWR at all phase angles. Transmitter Alarm: Forward power sense and reverse VSWR; - open collector output (separate or 'OR'ed configuration); -linear output (separate lines only). Operating Temperature Range: -30˚ C to +60˚ C, optional -40˚ C to +60°C temp test. Operating Humidity: 95% RH (non-condensing) at +25˚ C. Operating Voltage: +13.
6 REVISION HISTORY Issue Date DANIELS Description TM ELECTRONICS LTD.
ENHANCED FM SYNTHESIZER INSTRUCTION MANUAL OS(R/T)-3H 29-470 MHZ Covers Models: OSR-3H061 OSR-3H141 OSR-3H162 OSR-3H440 OST-3H035 OST-3H045 OST-3H141 OST-3H162 OST-3H440 Copyright © 2003 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.
ii DOCUMENT CONTROL This document has been produced, verified and controlled in accordance with Daniels Electronics’ Quality Management System requirements. Please report any errors or problems to Daniels Electronics’ Customer Service Department. 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.
iii Contents Manual Section Locator ......................................................... 1 Enhanced Synthesizer OS(R/T)-3H 29-71.4 MHz ................. 3 General Information ................................................................................... 5 Alignment ................................................................................................. 10 Schematics and Illustrations .................................................................... 15 Parts List ......................
Manual Section Locator MANUAL SECTION LOCATOR To help determine the correct section for the synthesizer in question, refer to this chart. Note that the operating frequency of the synthesizers in receivers is different from the receive frequency of the radio itself. This is the IF Offset correction factor, and is described in each section.
29-71.4 MHz - Models Covered ENHANCED SYNTHESIZER OS(R/T)-3H 29-71.4 MHZ Covers Models: OST-3H035 OST-3H045 OSR-3H061 Transmitters UHF 406-512 MHz VHF 128-174 MHz VHF Low Band 29 - 50 MHz Radio Frequency Transmitter Model & Frequency Range Enhanced Synthesizer Model & Synthesizer Frequency VT-3H035 29-38MHz OST-3H035 29-38MHz VT-3H045 38-50MHz OST-3H045 38-50MHz VT-3/140 OST-3H141 128-150MHz 128-152.6MHz Receivers Location in Manual Enhanced FM Synthesizer OS(R/T)-3H 29-71.
29-71.4 MHz - General Information General Information Introduction The OS(R/T)-3H 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(R/T)-3H generates a high stability, low distortion radio frequency signal in one of several frequency bands. The OS(R/T)3H utilizes an internal temperature compensated 9.6 or 10.
6 29-71.4 MHz - General Information 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 (Tuning range with no adjustment is shown in [ ] brackets.): 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.
29-71.
Revision History REVISION HISTORY Revision Date ECO Description Enhanced FM Synthesizer Instruction Manual IM10-OS3AH 75
PAGING MODULATOR INSTRUCTION MANUAL CI-PM-3 Covers Models: CI-PM-3-00 Copyright © 2003 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. DE™ is a registered trademark of Daniels Electronic Ltd. registered in the U.S. Patent and Trademark Office.
ii DOCUMENT CONTROL This document has been produced, verified and controlled in accordance with Daniels Electronics’ Quality Management System requirements. Please report any errors or problems to Daniels Electronics’ Customer Service Department. 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.
iii Contents General Information ............................................................... 1 Introduction ................................................................................................ 1 Performance Specifications ....................................................................... 2 Theory of Operation ............................................................... 5 Paging Signal Path ....................................................................................
1 GENERAL INFORMATION 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.
2 General Information Performance Specifications Model Number: CI-PM-3 Type: MT-3 Series Paging Modulator Compatibility: MT-3 Series Radio Systems Modulation: 16K0F3E (FM Analog) 14K7F1D (FM Data Transmission) Audio Input: Balanced 600 Ω(tone or voice) Digital Input: Bipolar: RS-232 compatible Reference Input: 10 MHz, 0.5 to 2.5 V rms, 50 Ω Front Panel SMA Reference Output: 10 MHz (Modulated), 2.
General Information CTCSS Decoder/Encoder (Option) Manufacturer: Communications Specialists Inc. Model Number: TS-64 Number of Tones: 64 Frequency Range of Tones: 33.0 to 254.1 Hz Signal to Noise: Better than 4 dB SINAD Decode Time: 150 ms nominal Fade Time: 350 ms nominal Squelch Tail Elimination:: 160 ms reverse phase burst Current Consumption: 9 mA Physical Specifications Physical Dimensions: Width: 3.5 cm (1.38”) Height: 12.8 cm (5.05”) Depth: 19 cm (7.5”) Module Weight: 0.
5 THEORY OF OPERATION Paging Modulator Instruction Manual IM55-CIPM3
11 ALIGNMENT Repair Notes Removal and replacement of surface mount components should be performed only in specifically designed surface mount rework and repair stations complete with electrostatic discharge (ESD) protection. To help prevent damage to the circuit board pads when removing Surface Mount Solder Jumpers, it is recommended that solder braid be used in place of manual vacuum de-soldering tools.
23 CONNECTOR PIN FUNCTIONS AND JUMPER SETTINGS Paging Modulator Instruction Manual IM55-CIPM3
31 ILLUSTRATIONS AND SCHEMATICS Printed Circuit Board Numbering Convention 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: PCB number 43-912010 Indicates circuit board version 1.
32 Illustrations and Schematics CI-PM-3 Front Panel Controls PAGING MODULATOR DATA MODE A DATA INDICATORS REF IN D J3 HIGH STABILITY 10 MHZ EXTERNAL REFERENCE INPUT REF OUT DATA J2 OCXO / PHASE LOCKED OUTPUT EXT DATA / CTRL PORT FREQ REF INT NORM MODE SW1-4 MODE & SETUP SWITCHES SET MOD LED PWR J1 FRONT PANEL DATA / CONTROL PORT SETUP 2 LEVEL ON 4 LEVEL SET DEV CI-PM-3 PULL DOWN TO REMOVE SW4 DETAIL DATA "1" SET CONTINUOUS BIT STREAM DEV DATA "0" DANIELS TM ELECTRONICS LTD.
Illustrations and Schematics Simulcast Paging LINK RX #1 Daniels MT-3 UHF RX Balanced Audio CI-PM-3 Balanced Audio Paging Modulator Discr O/P CTCSS Module COR 1 Daniels MT-3 VHF/UHF TX REF In HIGH STABILITY REF 2 (±0.002 ppm) PAGING TX #1 LINK A Digital Data Paging Terminal Balanced Audio CI-PM-3 BASE TX Balanced Audio ZETRON Model 32/64/640 HIGH STABILITY REF 2 (±0.
39 PARTS LISTS Electrical Parts List Ref Desig Description Part Number Paging Modulator Instruction Manual IM55-CIPM3
45 REVISION HISTORY Revision Date ECO Description Paging Modulator Instruction Manual IM55-CIPM3
