[time-nuts] Sound Cards for locking to GPSDO 10 MHz references
Alberto di Bene
dibene at usa.net
Tue Jun 2 17:51:27 UTC 2009
J.D. Bakker wrote:
> You could always transform this from a hardware problem to a software
> problem. Take the output of your GPSDO, divide it down to somewhere
> inside the audio band, feed it to a spare input on your USB sound
> card and have software track this reference and correct the received
> signal.
>
> JDB.
I am in complete agreement with this kind of solution. Sampling on the
second channel a reference signal of known value allows the software
to make a simple adjustment. No need to switch on the soldering iron...
Never do in hardware what can be done in software.... :-)
73 Alberto I2PHD
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