Motorola SG 2000 Betriebsanleitung PDF herunterladen (Seite 48)

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4 Specifications

AT&T SLW2500 Installation and Operation Manual

Table A-7 lists the current requirements for various options and the two platforms available in

the SLW2500:

Table A-7

Current requirements

Option Watts AC

power

Amps

@90V

Amps

@60V

Amps

@52V

Amps

@44V

Basic- platform (one-way, single

receiver, GaAs)

92.72 1.37 2.06 2.38 2.81

Add for:

Additional receiver-split band

or RPLR

8.96 0.13 0.20 0.23 0.27

Return transmitter 9.84 0.15 0.22 0.25 0.30

Table A-8 lists nominal distortion and c/n performance for the SLW-87 with a load of 77

channels:

Table A-8

SG2-87 performance, with 77 channels

77 Channels Link Launch System

C/N 50 69 50

CTB

−56 −69 −54

CSO

−64 −56 −55

Link: SG2-LR w/ALM9, 77 ch, 20km

Loss budget 9.0 dB

Output level (550 MHz), 52 dBmV/ch

Output level (50 MHz), 42 dBmV/ch

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Motorola SG 2000 Betriebsanleitung Seite 48