[ARC5] Crystal Alternative

Robert Eleazer releazer at earthlink.net
Sat Apr 22 20:13:19 EDT 2017


Bob:

That is a great idea!  When the 1MHZ calibration oscillator for my SG-297 quit - and killed every replacement crystal I put in it. - I built a direct plug in replacement using a 1MHZ IC oscillator powered by a 7805 regulator, all built into a crystal oven case.  That was all it took - although in that case the 1MHZ signal fed a harmonic oscillator that seems to have taken care of the waveform issue.

I believe David Stinson has pioneered the use of the oscillators you describe as crystal replacements in ARC T-11 and T-13 VHF transmitters.

Wayne 
WB5WSV  

   
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