

Manufactory Wholesale SA1200 Outdoor Bidirectional AGC
CATV Trunk Amplifier With Return Path for Large-Scale Networks
Struggling with signal stability in harsh outdoor environments? The SA1200 Outdoor Bidirectional AGC CATV Trunk Amplifier is engineered for large and medium-sized CATV networks, featuring a high-performance AGC control circuit for precise signal management and low distortion. Built with an aluminum waterproof housing and a strict lightning protection system, it ensures reliable operation in extreme conditions. With a frequency range of 47/85~860/1003 MHz and a rated gain of up to 38 dB, this amplifier is the ideal solution for robust, long-distance signal transmission.
• High-performance AGC control circuit | • Aluminum waterproof housing | • Frequency range: 47/85~860/1003 MHz | • Rated gain up to 38 dB | • Ideal for large-scale CATV networks



It adopts mature and optimized circuit design, scientific and rational internal process, high quality materials, and built-in high performance AGC control circuit, which ensures the stable gain and low distortion.


SA1200 outdoor bidirectional AGC trunk amplifier is a new high gain amplifier. It adopts mature and optimized circuit design, scientific and rational internal process, high quality materials, and built-in high performance AGC control circuit, which ensures the stable gain and low distortion. This CATV trunk amplifier with return path is the first choice equipment for large and medium-sized CATV bidirectional transmission network.

Performance Characteristics
■Itis more convenientto debugbecause ofthe plug-in duplex filter, fixedequalizer andattenuator, plug-in outputtap, and the scientific and reasonable on-line detection ports.
■Built-in optimal designed high performance AGC control circuit, make the control more precise and the signal operation more stable.


■CATV trunk amplifier with return path can long time continuous work steadily under outdoor bad environmental condition, because of the aluminum waterproof housing, high reliability switching power supply and strict lightning protection system.
Technique Parameters of CATV Trunk Amplifier With Return Path
(Fixed, 1dB stepping, selectable)
(Fixed, 1dB stepping, selectable) C/CTB
Test condition: 79 channels. Output level: 53MHz/550MHz/750MHz. 99dBuV/105dBuV/108 dBuV
AGC Pilot Frequency
AGC Characteristic
168.25 (Or specified by the user)
±4 (input) /±0.5 (output) Group Delay
(112.25 MHz/116.68 MHz) Signal to
Return Path Frequency


Carrier to Second Order Inter-modulation Ratio
Test condition: output level 110dBμV, Test points: f1=10MHz, f2=60MHz, f3=f2-f1=50MHz
Group Delay ns ≤ 20 (57MHz/59MHz) Signal to Hum Ratio
General Characteristic






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