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RF hybrid modules for return paths (5–204 MHz or higher) are specialized, high-linearity amplifiers and couplers used in CATV/HFC networks to handle upstream data from cable modems to the CMTS. They feature GaAs technology for low-noise, high-output, and support DOCSIS 3.1/4.0, often found in optical nodes, amplifiers, and rack-mount receivers.
Key Components and Features
- Active Return Amplifiers: GaAs-based modules that provide low-noise amplification for upstream signals in the 5–204 MHz band.
- Hybrid Combiners: Used to merge multiple return paths into one, often in rack-mounted receivers, allowing efficient management of multiple subscriber nodes.
- High Linearity and Low Noise: Crucial for maintaining signal integrity over long coaxial runs (upstream) to prevent cable modem signal degradation.
- Passive Couplers/Splitters: Used to sample or split return signals (e.g., 5-1800 MHz) for monitoring (such as those offered in Mini-Circuits).
Applications
- CATV Optical Nodes: Upstream amplifiers (e.g., ATX SignalOn modules).
- Headend Receivers: GWR3300 Quad Return Path receivers for combining,, Greatway.
- Distribution Amplifiers: Used in outdoor trunk amplifiers to boost upstream signals.
These modules often come with -20dB RF test ports and are optimized for 75-ohm CATV environments.
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Web results
Active Amplifiers & RF Switches
ATX Networks
https://atx.com › ... › SignalOn RF & L-Band Management
ATX Networks
https://atx.com › ... › SignalOn RF & L-Band Management
Active Amplifiers & RF Switches. SignalOn provides hot-swappable GaAs technology forward and return path amplifiers, as well as an RF switch module.Read more
GWR3300 Quad Return Path receiver - Greatway
greatwaytech.com
https://www.greatwaytech.com › gwr3300-quad-return-p...
greatwaytech.com
https://www.greatwaytech.com › gwr3300-quad-return-p...
With high performance photodiode and hybrid amplifier, GWR3300 offers a clean return path band for Cable Modem up-streaming signals. Optical power indicator and ...Read more
Hybrid Amplifier Module
Shenzhen Sanland Technology Co., Ltd.
https://www.sanlandtech.com › hybrid-amplifier-module
Shenzhen Sanland Technology Co., Ltd.
https://www.sanlandtech.com › hybrid-amplifier-module
Sanland is a professional and reliable manufacturer of Hybrid Amplifier Module. We look forward to serving you for all your needs.
FM-RTFQ SERIES FM-RRFQ SERIES
DigiKey
https://media.digikey.com › pdf › FM-RTFQ,RRF...
DigiKey
https://media.digikey.com › pdf › FM-RTFQ,RRF...
PDF
Description. These miniature RF modules provide a cost effective high performance FM Radio data link, at, 433.92MHz. The modules uses no adjustable ...Read more
AM Hybrid Transmitter
RS-online.com
https://docs.rs-online.com › ...
RS-online.com
https://docs.rs-online.com › ...
PDF
The R F Solutions Ltd. AM hybrid transmitter module provides a complete RF transmitter which can be used to transmit data at up to 4KHz from any standard ...Read more
RF & Microwave Switching Solutions
Pickering Interfaces Ltd
https://www.pickeringtest.com › ... › By Switching
Pickering Interfaces Ltd
https://www.pickeringtest.com › ... › By Switching
Pickering provides modular, flexible, and turnkey RF and microwave switching solutions using PXI and LXI standards for rapid prototyping and scalable test ...Read more
FM-RTFQ1 / FM-RRFQ1 Series FM Transmitter & Receiver ...
Mouser Electronics
https://www.mouser.com › datasheet
Mouser Electronics
https://www.mouser.com › datasheet
PDF
These miniature RF modules provide a cost effective high performance FM Radio data link, at. 433.92MHz. The modules uses no adjustable components ensuring very ...Read more
9 pages
RF Power Splitters/Dividers, Combiners and Hybrids
Mini-Circuits
https://www.minicircuits.com › products › Splitters_tab3
Mini-Circuits
https://www.minicircuits.com › products › Splitters_tab3
Mini-Circuits is a global leader in the design and manufacturing of RF, IF, and microwave components from DC to 86GHz.
Catv Rf Hybrid Module Amplifier With Outdoor(863)
Alibaba.com
https://www.alibaba.com › ... › Wireless & RF Modules
Alibaba.com
https://www.alibaba.com › ... › Wireless & RF Modules
Catv rf hybrid module amplifier with outdoor antenna. Enjoy reliable TV reception with our advanced amplifiers. Perfect for both home and commercial use.
RF Power Dividers and Couplers
RF-Microwave
https://www.rf-microwave.com › rf-power-dividers-cou...
RF-Microwave
https://www.rf-microwave.com › rf-power-dividers-cou...
RF power dividers and couplers for microwave, test and telecom applications. Professional components for signal management and distribution, with immediate ...