CW chrip on Hermes board( Cyclone3 fpga)

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ve2xx
Posts: 21
Joined: Tue Apr 11, 2017 1:41 pm

CW chrip on Hermes board( Cyclone3 fpga)

Post by ve2xx »

Has anyone had any issues with the 122.88 mhz osc?? 4 yrs ago i replaced the chirpy osc with this https://www.crystek.com/specification/vcxo/CVHD-950.pdf
and its starting again,

tried all kinds of things . DC measurements , fw, sw , switched to Trimble 10 mnhz external GPSDO, same chirp

tks
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w-u-2-o
Posts: 6088
Joined: Fri Mar 10, 2017 1:47 pm

Re: CW chrip on Hermes board( Cyclone3 fpga)

Post by w-u-2-o »

On receive, or on transmit?
ve2xx
Posts: 21
Joined: Tue Apr 11, 2017 1:41 pm

Re: CW chrip on Hermes board( Cyclone3 fpga)

Post by ve2xx »

on Tx OTA,

did the same tests with Orion 2 board and 100D no chirp on tx'd signal
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