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Summary of Contents for Symmetricom 58536A
- Page 1 097-58536-01 Issue 1: Apr 00 58536A GPS Distribution Amplifier Information Note Copyright 2000 Symmetricom, Inc. All rights reserved. Printed in U.S.A.
- Page 2 This information note describes accessory Warning Symbols Used In This Note equipment for a Symmetricom GPS receiver system for a telecommunications network. The accessory is a distribution amplifier Instruction manual symbol; the product will be for GPS antennas. Model 58536 is...
- Page 3 Although designed for use with Symmetricom GPS receivers, the 58536A can be used with other GPS receiver and antenna systems. The 58536A operates over a voltage range of +4.5 Vdc to +13 Vdc. Power from the GPS receiver is passed through to the antenna.
- Page 4 Due to process variations in the fabrication of the 58536A, the gain through the device can vary ± 3 dB. Assume the worst case loss of the 58536A ( − 3 dB) when determining if line amplifiers are necessary in your GPS antenna system. If an amplifier is required, consider the 58529A line amplifier with L1 bandpass filter.
- Page 5 If you have calculated more than 60 dB of cable loss for your installation, then a lower-loss cable must be used. Symmetricom’s lowest-loss standard cable is LMR 400 (58520A or 58521A) with a loss of 5 dB per 30.5 meters (100 ft). Contact Symmetricom if you need information on the availability of lower-loss cable.
- Page 6 PORT 3 115.0 mm 34.5 mm 130.4 mm Figure 2. 58536A GPS Distribution Amplifier 7.0 Maintenance No periodic maintenance is required for the distribution amplifier. However, it is recommended that all components of the antenna system be checked periodically and replaced, if necessary, as specified in your company procedures.
- Page 7 8.0 Specifications/Characteristics The following table presents the specifications for the 58536A GPS Distribution Amplifier. Table 1. 58536A Specifications/Characteristics 1575.42 MHz ± 10 MHz Frequency Bandwidth (3 dB) 0 dB ± 3 dB (typical) @ 1575.42 MHz (L1) Gain (antenna to output) Noise Figure 5 dB (typical) @ 25°C...
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