[time-nuts] Lock-in amplifier as wwvb receiver

David Kirkby david.kirkby at onetel.net
Sat Jul 14 10:26:15 UTC 2012


On 14 July 2012 04:04, Bill Fuqua <wlfuqu00 at uky.edu> wrote:
>    Has anyone ever used an Lock-in Amplifier such as
> a PAR HR-8 or later models as part of a receiving
> system for WWVB? These are mostly used in detecting
> weak signals in noise in scientific experiments. Some have used
> the analog output to phase lock a voltage controlled
> oscillator to the  input signal.
>
>
> 73
> Bill wa4lav

Slightly different, but here's a video of someone using an Standard
Research lock in amp as an AM receiver.

http://www.youtube.com/watch?v=8R9bbdAdUHg

This particular model is Standard's RF lock in, which IIRC works to
200 MHz. But 60 kHz should be within the range of most lock-in amps.

Dave



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