[time-nuts] PN/AM and 1.5Hz spur from frequency doubling?

Anders Wallin anders.e.e.wallin at gmail.com
Wed Jan 18 11:13:51 EST 2017


I'm seeing +20-30 dBc/Hz of excess AM/PN, as well as a strong 1.5 Hz spur
created by frequency doubling from 5 MHz to 10 MHz.
https://goo.gl/photos/GFx9tQoxrSmyzUQo8
The input amplitude to the doubler should be just above the recommended 11
dBm.
What's going on??

thanks!
Anders


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