[amsat-bb] Looking for 8.8125 MHz xtal

Zach Metzinger zmetzing at pobox.com
Thu Jun 1 23:27:21 UTC 2017

On Thu, Jun 01, 2017 at 03:31:49PM -0700, Greg D wrote:
> Looking back in my notes, the diode-based generator idea was from K5OE,
> where he put a 1N4005 diode in parallel with five 47K 1/2 watt resistors
> (so, all 6 in parallel), driven at 29.999 mhz directly from his HF rig. 
> I did the same from my 2M HT, and it seemed to work.  Also a lot more
> portable.  No clue what sort of return loss it presented, but the HT
> survived just fine.
> http://home.wavecable.com/~ko6th/Dsc00067.jpg
> I also tried using a 50mhz crystal oscillator module connected directly
> to a small 13cm ground plane antenna.  That worked too, though the
> signal was much quieter (48th harmonic).

Well, since it worked for your DJ-580T, I bet it will work on mine, too. 

Not sure I have that exact rubber band, however. :-)

--- Zach

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