HARRIS TR-0017-E Sitepro Base Station User Manual RF Package
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RF Package
Maintenance Manual LBI-38754F Preliminary MASTR® III RF Package, VHF TABLE OF CONTENTS TRANSMIT SYNTHESIZER RECEIVE SYNTHESIZER . RECEIVE RF MODULE . . . IF MODULE . . . . . . . . . LBI-38640 LBI-38641 LBI-38642 LBI-38643 LBI-39123 POWER AMPLIFIER . . . . . . . . . . . . . . LBI-38531 AE/LZB 119 3521/20 DUPLEXER . . . . . . . . . . . . . . . . . . . LBI-38763 M/A-COM Wireless Systems 3315 Old Forest Road Lynchburg, Virginia 24501 (Outside USA, 434-385-2400) Toll Free 800-528-7711 www.macom-wireless.com Printed in U.S.A. LBI-38754G SPECIFICATIONS TABLE OF CONTENTS Table 1 - Station Specifications Page ITEM SPECIFICATION SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 REGULATORY APPROVALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 RECEIVER MODULE NUMBERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 SENSITIVITY (12 dB SINAD) -116 dBm (0.35 µV) ISOLATOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 ANTENNA SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 SELECTIVITY (25 kHz) (30 kHz) -95 dB -100 dB INTERCONNECTION DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 INTERMODULATION REJECTION -90 dB INTERMEDIATE FREQUENCY 21.4 MHz (low-side injection) IMAGE REJECTION -100 dB SPURIOUS RESPONSE REJECTION -100 dB HUM & NOISE (300-3000 Hz) -55 dB AUDIO RESPONSE (de-emphasis) +1/-3 dB of 6 dB/Octave (@ Line Output) +2/-8 dB of 6 dB/Octave (@ Local Speaker) When conducting repair/maintenance, disconnect the cabinet power supply plug from the AC source. FREQUENCY SPREAD (range) (full specification) (3 dB degradation) 136.0-151 MHz, 150.8-174 MHz 2 MHz 3 MHz In European applications, equipment must be installed in a closed cabinet. TRANSMITTER Only replace components with components specified by M/A-COM Private Radio Systems. RATED POWER OUTPUT 110 Watts FREQUENCY STABILITY ±1.5 ppm CONDUCTED SPURIOUS EMISSIONS -36 dBm MODULATION DEVIATION ±5 kHz FM HUM & NOISE (300-3000 Hz) -55 dB AUDIO RESPONSE (pre-emphasis) +1/-3 dB of 6 dB/Octave FREQUENCY SPREAD (range) (full specification) 136.0-151 MHz, 150.8-174 MHz 136.0-151 MHz, 150.8-174 MHz SAFETY NOTES • • • • The means of disconnecting power from a station cabinet is the cabinet power supply plug. NOTICE! Repairs to this equipment should be made only by an authorized service technician or facility designated by the supplier. Any repairs, alterations or substitution of recommended parts made by the user to this equipment not approved by the manufacturer could void the user’s authority to operate the equipment in addition to the manufacturer’s warranty. NOTICE! The software contained in this device is copyrighted by the M/A-COM Private Radio Systems, Inc. Unpublished rights are reserved under the copyright laws of the United States. This manual is published by M/A-COM Private Radio Systems, Inc., without any warranty. Improvements and changes to this manual necessitated by typographical errors, inaccuracies of current information, or improvements to programs and/or equipment, may be made by M/A-COM Private Radio Systems, Inc., at any time and without notice. Such changes will be incorporated into new editions of this manual. No part of this manual may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, for any purpose, without the express written permission of M/A-COM Private Radio Systems, Inc. Copyright© 1992 - 2002 M/A-COM Private Radio Systems, Inc. All rights reserved. LBI-38754G REGULATORY APPROVALS The following equipment authorization numbers have been granted: COUNTRY REGULATORY APPROVAL United States FCC (Parts 15, 22, 74, 80, 90) AXATR-197-A2 Canada DOC (RSS-119) TR-197 MODULE NUMBERS TRANSMIT SYNTHESIZER . . . . . . . . . . . . . . . . . . . . . . . . . . 19D902780G1 RECEIVE SYNTHESIZER (150.8-174 MHz) . . . . . . . . . . . . . . . . 19D902781G1 (136.0-151 MHz) . . . . . . . . . . . . . . . . 19D902781G2 RX FRONT END MODULE (150.8-174 MHz) . . . . . . . . . . . . . . . . 19D902782G2 (136.0-151 MHz) . . . . . . . . . . . . . . . . 19D902782G1 IF MODULE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19D902783G1 POWER AMPLIFIER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19D902797G1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19D902797G20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19D902797G21 LOW PASS FILTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19D902856G1 ANTENNA SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19B235897P1 ISOLATOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 344A3406P2 DUPLEXER (150-162 MHz) . . . . . . . . . . . . . . . . . . . . . . . . . . 344A3371P1 DUPLEXER (162-174 MHz) . . . . . . . . . . . . . . . . . . . . . . . . . . 344A3371P2 ACCESSORIES Specifications Frequency Range Input Power Short Circuit Duration Insertion Loss Isolation LBI-38754G Description 136-174 MHz (no tuning) 150 W (at max VSWR of 3.7:1) 100 ms max 0.3 dB max (25°C) 0.8 dB max (-40°C to +85°C) 18 dB min (25°C) 15 dB min (-40°C to +85°C) The isolator has an internal load connected to an RF detector (sensor), the output from the sensor is continually monitored by the sttion for a fault conditon (high VSWR). Once the station detects a sensor voltage above the threshold the transmitter is automatically de-keyed and a FAULT condition is reported. IMPORTANT: The sensor output must be connected to P108 on the Interface Board when the Isolator is used, failure to make this connection with the Isolator installed will cause the isolator to be damaged under high VSWR conditions. REFLECTED POWER VSWR TYPICAL SENSOR VOLTAGE 10W 15W 20W 25W 30W 1.70:1 1.92:1 2.15:1 2.38:1 2.62:1 3.9V 4.8V 5.7V 6.4V 6.8V WARNING DO NOT USE ISOLATOR WITHOUT CONNECTING THE SENSOR TO THE STATION ANTENNA SWITCH ISOLATOR 19B235897P2 344A3406P1 LBI-38754G MASTR III STATION (19D903635 Sh. 1, Rev. 4) INTERCONNECTION DIAGRAM INTERCONNECTION DIAGRAM LBI-38754G MASTR III STATION (19D903635, Sh. 2, Rev. 6)
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