Motorola BHA-100S/P-R 用户手册
Configuration and Installation
3-7
Starline Cable Simulators – SCS-*
The Starline Cable Simulators, Model SCS-*, are used in place of fixed equalizers in systems
where the amplifiers are located close together. The simulators are designed to fit in the same
location as the equalizers.
Table 3-2 helps you choose the correct simulators:
Table 3-2 helps you choose the correct simulators:
Table 3-2
Starline Cable Simulators
Starline Cable Simulators
SCS-*
1 2 3 4 5 6 7 8 9 10
Frequency
Cable slope in dB
40 MHz
0.1 0.1 0.1 0.1 0.2 0.2 0.3 0.3 0.3 0.4
45 MHz
0.0 0.0 0.1 0.1 0.1 0.1 0.1 0.1 0.2 0.2
50 MHz
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
72 MHz
-0.1 -0.2 -0.2 -0.3 -0.4 -0.4 -0.5 -0.6 -0.7 -0.7
108 MHz
-0.1 -0.3 -0.4 -0.5 -0.6 -0.8 -0.9 -1.0 -1.2 -1.3
150 MHz
-0.2 -0.5 -0.7 -0.9 -1.2 -1.4 -1.6 -1.9 -2.1 -2.3
211 MHz
-0.3 -0.7 -1.0 -1.4 -1.7 -2.1 -2.4 -2.8 -3.1 -3.5
250 MHz
-0.4 -0.8 -1.2 -1.7 -2.1 -2.5 -2.9 -3.3 -3.7 -4.1
300 MHz
-0.5 -1.0 -1.5 -1.9 -2.4 -2.9 -3.4 -3.9 -4.4 -4.9
350 MHz
-0.6 -1.1 -1.7 -2.2 -2.8 -3.3 -3.9 -4.4 -5.0 -5.5
400 MHz
-0.6 -1.2 -1.8 -2.5 -3.1 -3.7 -4.3 -4.9 -5.5 -6.2
450 MHz
-0.7 -1.4 -2.0 -2.7 -3.4 -4.1 -4.7 -5.4 -6.1 -6.8
550 MHz
-0.8 -1.6 -2.4 -3.2 -4.0 -4.8 -5.5 -6.3 -7.1 -7.9
750 MHz
-1.0 -2.0 -3.0 -4.0 -5.0 -6.0 -7.0 -8.0 -9.0 -10.0
870 MHz
-1.1 -2.2 -3.3 -4.4 -5.5 -6.7 -7.8 -8.9 -10.0
-11.1
1003 MHz
-1.2 -2.5 -3.7 -4.9 -6.2 -7.4 -8.7 -9.9 -11.1
-12.4
50 MHz loss (typical)
-1.0 -1.0 -1.0 -1.0 -1.0 -1.0 -1.0 -1.0 -1.0 -1.0
Installing the Return Amplifier Kit
The model BHA-100/RA-Kit/L provides amplification for signals returned from in-home devices
to the headend.
To install return amplifier components:
To install return amplifier components:
1
Remove power from the amplifier.
2
Remove the outer cover.
3
Remove the inner cover over the amplifier compartment.
BHA-100* Broadband House Amplifier Installation Manual