[Lowfer] Sampling Rate and Frequency Calibration

[Dexter McIntyre W4DEX]

Very nice John!  If the 7490 divider box I built from the schematic you 
sent me years ago wasn't working I would jump on your offer.

Dex

w1tag at charter.net wrote:
> In response to the recurring question about how to calibrate sound 
> card sampling rates and check receiver audio output frequency "on the 
> cheap," I have put up an article on a simple calibrator circuit that 
> provides 1 kHz and 100 kHz outputs. See:
> http://www.w1tag.com/Calibrator/Freq_Cal.htm
>