Programmable attenuator for CATV DOCSIS testing

September 26, 2019 //By Jean-Pierre Joosting
Programmable attenuator for CATV DOCSIS testing
The Model 75P-223 from JFW Industries is a 75 Ohm solid-state programmable attenuator with attenuation range 0 to 63.75 dB by 0.25 dB steps.

The module operates over 5 to 2150 MHz and is rated for +23 dBm of RF input power. This step attenuator is available with 75 Ohm BNC, F or N female RF connectors. The attenuator has seven individually controlled attenuation steps: 0.25 dB, 0.5 dB, 1 dB, 2 dB, 4 dB, 8 dB, 16 dB and 3 2dB.

For larger RF test setups that require attenuation of multiple channels, Model 75PA-118-XX is an attenuator assembly that is available with up to 16 individually controlled attenuators. It has the same RF specifications as 75P-223, but comes in a 19 inch rack mount chassis with Ethernet and Serial connections for remote control. The 75PA-118-XX ships with a GUI test program that allows easy control of all programmable attenuators for DOCSIS attenuation fade testing.

www.jfwindustries.com


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