Installation and Operating Manual RigBooster PRO, Dual Band Outdoor BDA BDA‐CELLAB/PCSF‐2/2W‐80‐OCA1
TABLE OF CONTENTS PARAGRAPH PAGE NO BDA OVERVIEW 3 BDA BLOCK DIAGRAM DESCRIPTION 3 OPTIONAL EQUIPMENT OVERVIEW 3 BDA BLOCK DIAGRAM DRAWING (Figure 1) 4 ELECTRICAL SPECIFICATIONS 5 FREQUENCY RANGES (Table 1) 6 MECHANICAL SPECIFICATIONS 7 ENVIRONMENTAL CONDITIONS 7 RF EXPOSURE WARNING 7 BDA CONNECTIONS 8 MECHANICAL OUTLINE DRAWING (Figure 3) 9 CONTROL PANEL CONFIGURATION (Figure 4) 10 BDA OPERATION 11 BDA INSTALLATION 12 DIAGNOSTICS GUIDE 13 Page | 2
BDA OVERVIEW: The BDA assembly enhances the coverage area of radio communications in buildings and RF shielded environments. The unit features low noise figure and wide dynamic range. It is a multi-block system, based on a dual-duplexed (quadruplexer) path configuration with sharp out of band attenuation allowing improved isolation between the receiving and transmitting paths, plus Cellular and PCS paths. BDA CIRCUIT DESCRIPTION: Refer to Figure 1 for the following discussion.
Figure 1 BDA BLOCK DIAGRAM 1. Input Base Quadruplexer – Features low insertion loss and separates UL from DL paths for CELL and PCS bands. 2. Downlink CELL LNA/Pre-Amp – Low noise figure amplifier with high linearity 3. Selector Filter CELL DL – Features high selectivity and provides required isolation at maximum gain. 4. Linear Power Amplifier CELL DL – includes ALC circuitry . 5. Output Mobile Quadruplexer – Features low insertion loss and separates UL from DL paths for CELL and PCS bands. 6.
ELECTRICAL SPECIFICATIONS: Frequency Range : UL CELL AB 824-849 MHz : UL PCS 1850-1910 MHz : DL CELL AB 869-894 MHz : DL PCS 1930-1990 MHz Pass Band Gain @ normal operation : 80 dB (Min.) Variable Step Attenuator Range (2-dB steps) : 0-30 dB Pass band Ripple : ±1.5 dB (Typ.) Noise Figure @+25ºC at max gain : 5.0 dB (Max.) 3rd Order Intercept point Uplink : +46 dBm (Typ.) Downlink : +46 dBm (Typ.) Output Power @ 1dB Compression Uplink : +34 dBm (Typ.) Downlink : +34 dBm (Typ.
By adding an additional filter this BDA can support the following bands: Table 1 Frequency Band CELL AB CELL A CELL B PCS FULL PCS A PCS B PCS C PCS C-1 PCS C-2 PCS C-3 PCS C-4 PCS C-5 PCS D PCS E PCS F Downlink Frequency Ranges 869-894 MHz 869-880 MHz 880-894 MHz 1930-1990 MHz 1930-1945 MHz 1950-1965 MHz 1975-1990 MHz 1982.5-1990 MHz 1975-1982.
MECHANICAL SPECIFICATIONS: Size : 16.0 x 16.0 x 11.2 inch (406 x 406 x 284.5 mm) Weight : 35 Lbs. (16.0kg.) approx. ENVIRONMENTAL CONDITIONS: The unit is designed for outdoor applications: Operating temperature: -45ºC to +60ºC Storage temperature: -50ºC to +90ºC FCC NOTE: The Federal Communications Commission (FCC) has tested this product and found it to comply with their RF Exposure Requirements, pursuant to FCC Part 22 and 24.
BDA CONNECTIONS The BDA AC power is accepted through a standard 3-wire male plug (IEC-320) with phase, neutral and ground leads. The AC power is wired to a high efficiency DC switching power supply, which is CE and UL approved. The power supply runs the amplifiers and the “Power On” lamp. The metal enclosure of the BDA is connected to ground. A 7-pin reverse bayonet connector provides failure alarm output contacts (see diagrams on page 8) as well as a 12 VDC (250mA) auxiliary output.
BDA Mechanical Outline Figure 3 Cell AB/PCS1900 Full Band OUTDOOR REPEATER Page | 9
Figure 4 Control Panel The BDA has two momentary test switches to verify the alarm function. When the CELL or PCS test switch is depressed the control panel’s CELL or PCS failure LED will illuminate. The alarm monitors current of both uplink and downlink amplifiers. An alarm condition will occur if either uplink or downlink amplifiers are over or under its current tolerance; or if there is no AC present.
BDA OPERATION Variable Step Attenuator BDA gain can be reduced by up to 30 dB in 2 dB steps using the variable step attenuator (Figure 4). Gain adjustment is made with rotary switches accessible via the access door on the BDA enclosure. Arrows on the shafts of these switches point to the value of attenuation selected. BDA gain can be determined by subtracting the attenuation value from the gain reported on the BDA Test Data Sheet for that side of the unit.
Optional Features: OCAG: Automatic Gain Reduction When this option is selected, the part number will be changed to BDA-CELLAB/PCSF2/2W-80-OCAG. This option protects the BDA from oscillation due to service upgrades. Should the input RF signal increase due to a service upgrade, the unit will detect potential oscillation and automatically drop the system’s gain by 30 dB, preventing interference until a service technician adjusts the system (antenna separation, location etc.
DIAGNOSTICS GUIDE The BDA provides long term, carefree operation and requires no periodic maintenance. There are no user-serviceable components inside the BDA. This section covers possible problems that may be related to the installation or operating environment. a. Gain Reduction Possible causes: Bad RF cables and RF connections to antennas, damaged antennas. b. Excessive Intermodulation or Spurious Possible causes: Amplifier oscillation caused by insufficient isolation.
