Cisco Compact Outdoor Amplifier Model 93412 Ficha De Dados
Data Sheet
Page 1 of 4
Compact Automatic Gain Control Module for Compact EGC
Amplifier
Amplifier
The Cisco Compact Automatic Gain Control (AGC) module is a plug-in module designed
for the Compact EGC Amplifier, turning them into intelligent network elements by
providing status information of the output signals.
for the Compact EGC Amplifier, turning them into intelligent network elements by
providing status information of the output signals.
The AGC module is capable of handling un-modulated pilots, analog channels (PAL,
NTSC, and SECAM), as well as digital channels (QAM), over the entire frequency band
from 47 to 1002 MHz.
NTSC, and SECAM), as well as digital channels (QAM), over the entire frequency band
from 47 to 1002 MHz.
When the AGC module is installed in the amplifier, three functions are available:
●
Auto alignment function, which adjusts the auto alignment attenuator and equalizer
in the amplifier to get the desired output level and tilt;
in the amplifier to get the desired output level and tilt;
●
AGC function, which continuously adjusts AGC attenuators and equalizers in the
amplifier to keep the output level and tilt of the amplifier constant.
amplifier to keep the output level and tilt of the amplifier constant.
●
Fixed gain function, which sets the amplifier to its nominal gain, with the output of
the amplifier monitored constantly.
the amplifier monitored constantly.
If no function is required, the AGC module is set to Standby mode to reduce power
consumption.
consumption.
Figure 1.
Compact Automatic Gain Control Module
Figure 2.
Block Diagram