Symmetricom 58536A Скачать руководство пользователя страница 2

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This information note describes accessory 
equipment for a Symmetricom GPS 
receiver system for a telecommunications 
network. 

 

The accessory is a distribution amplifier 
for GPS antennas. Model 58536 is 
designed to distribute the signal from the 
GPS antenna to as many as four GPS 
receivers. 

 

For assistance, contact: 

 

Symmetricom, Inc. 

2300 Orchard Parkway 

San Jose, CA 95131-1017 

 

U.S.A. Call Center: 
 

888-367-7966 (from inside U.S.A. only 
– toll free) 

 408-428-7907 

 

U.K. Call Center: 
 +44.7000.111666 

(Technical 

Assistance) 

 +44.7000.111888 

(Sales) 

 

Fax: 408-428-7998 

 

E-mail: ctac@symmetricom.com 

 

Internet: 

http://www.symmetricom.com

 

Warning Symbols Used In This Note 

!

 

Instruction manual symbol; the product will be 
marked with this symbol when it is necessary for the 
user to refer to the instruction manual. 

 

Indicates hazardous voltages. 

 

Indicates earth (ground) terminal. 

 

or 

 

Indicates terminal is connected to chassis when such 
connection is not apparent. 

 

Indicates Alternating current. 

 

Indicates Direct current.

 

 

 

 

 

 

Содержание 58536A

Страница 1: ...097 58536 01 Issue 1 Apr 00 Copyright 2000 Symmetricom Inc All rights reserved Printed in U S A 58536A GPS Distribution Amplifier Information Note...

Страница 2: ...Center 888 367 7966 from inside U S A only toll free 408 428 7907 U K Call Center 44 7000 111666 Technical Assistance 44 7000 111888 Sales Fax 408 428 7998 E mail ctac symmetricom com Internet http w...

Страница 3: ...e 58536A consists of a broadband unity gain amplifier and a 1 4 signal splitter Designed for use with GPS antennas the unit features a high degree of isolation to eliminate feedback and interaction be...

Страница 4: ...using RG 213 cable Use this procedure to determine if line amplifiers are required 1 First calculate the distance from the antenna to the most distant receiver 2 Determine the signal loss due to the...

Страница 5: ...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 Note These guidelines include a safety margin to account for any d...

Страница 6: ...mm 2 x 4 4 mm Dia mounting holes 105 0 mm 130 4 mm 50 0 mm 33 5 mm 64 0 mm 34 5 mm 14 5 mm PORT 1 DC POWER DC POWER PORT 4 ANTENNA INPUT PORT 2 DC POWER DC POWER PORT 3 GPS DISTRIBUTION AMPLIFIER 585...

Страница 7: ...40 MHz DC Power Operating voltage see Caution below Damage level Operating current 4 5 Vdc to 13 Vdc 18 Vdc either polarity 23 mA to 48 mA depending on operating voltage AC Input Level antenna signal...

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