amplifiers Archives

9 02, 2021

NanoVNA testing Taps, Coax, passives and more part two

Mia Colabrese2021-08-15T16:11:56-04:00February 9th, 2021|

Another power hour of cable with Brady Volpe and John Downey CMTS Technical Leader at Cisco, show real world examples of testing Coax, Taps and other passives. The discussion is on all things DOCSIS. NanoVNA (Vector Network Analyzer) testing: General intro Test equipment RF basics Test One Diplex filter explained active equipment has a diplex filter It enables the plant to be upstream and downstream capable 75 Ohm world Cross over Cold solder joints, fingers touching surface mount components issues with diplex filters The higher the split

NanoVNA testing Taps, Coax, passives and more part one

Mia Colabrese2021-08-15T16:12:51-04:00January 27th, 2021|

Another power hour of cable with Brady Volpe and John Downey CMTS Technical Leader at Cisco, show real world examples of testing Coax, Taps and other passives. The discussion is on all things DOCSIS. NanoVNA (Vector Network Analyzer) testing: General intro Test equipment Test for bad cable, passives and amps Test return loss, insertion loss, etc Why is it important to terminate Question of event error log Loss connectors impact return loss nanoVNA and VNA explained MainLine Tap You can see the entire cable spectrum Return Loss

Gain Distortion and Hybrids

Mia Colabrese2023-01-14T17:01:02-05:00October 13th, 2020|

This is episode 65 of Get Your Tech On, our show on All Things DOCSIS. I'm Brady Volpe, Founder of The Volpe Firm and Nimble This. With us today is John Downey, CMTS Technical Leader at Cisco Systems, welcome back John. With special guests Bob Simmers - Sr. Marketing Manager, CATV & Broadband Access Products Qorvo and Rainer Hillermeier – General Manager Design and Operations Qorvo Germany. Find out about broadband amplification and how it works. Join in on the exciting conversation of hybrids in the cable network. We will