Description :

SHARP VISION  AGC 1818 Amplifiers are Automatic Gain Control Amplifiers meant to take care of RF Signal variations due to various reasons. These are one-way amplifier that is forward path only and are designed for 860 MHz. These are used as line Extender Amplifier & having channel loading capacity of 106 Channels. These have aluminium rust proof body. The Input & Output are protected against high voltage surge.

Features

•  Automatic Gain Control range is ± 6 dB
• Easy installation
• Hybrid IC protected
• 20 dB slope
• High Voltage Surge Protection
• Excellent Level Flatness

WHY AGC AMPLIFIER IS REQUIRED
Every Cable system having many amplifiers in cascade is likely to have a signal variation, which may be due to any of the following reasons.

1.  To take care of optical signal variations at the first node.
2.  Variation in cable losses due to temperature.
3.  Voltage variations in the power supply.
4.  RF signal variations in the Control Room

SPECIFICATIONS

• Frequency             :    40 ~ 860 MHz
• Flatness                      :    ± 0.75 dBµV
• Gain                             :    30 dB ± 0.5 dB
• AGC Range                :    ± 6 dbµV
• Pilot Frequency          :    CH 12 (or Any channel of your choice)
• Max Output Level       :    105 dBµV   
• Adjustable Gain         :    0 ~ 20 dB
• Slope                           :    0 ~ 20 dB
• Return Loss (-dB)     :    > 14 dB
• Power Supply             :    Mains cum P.P.
• Mains                           :    220 VAC ± 10%, 50 Hz
• PP                                 :    30-40-50-60 VAC (selectable)
• Channel Loading       :   106 Channels
• In/Out Impendence    :   75 Ω