[Boatanchors] XTAL tester question

[Jim Wilhite]

If you do use a signal generator, put a 10 K resistor in series with 
the hot lead.

Jim/W5JO

----- Original Message ----- 


> Oh yes... ONE MORE THING.... IF you use an MFJ 259 or 269, you can 
> read
> the freq of the crystal out on the MFJ unit... it will peak on the
> fundamental of the crystal...
>
> If you use a signal generator, then put a freq counter on it and 
> at the
> peak, the counter will read out the freq...
>
> I've tested hundreds of crystals... Heathkit crystals can be 
> compared to
> each other if you have some on the same frequencies... they become
> SOFT... hard to excite...  so the output gain of the signal 
> generator
> can be decreased and compared with other crystals...  after a 
> while you
> become aware of the "LEVEL" for a good crystal and a mediocre and 
> a WEAK
> crystal...
> EXPERIMENT... have fun... it's fun...
>
> Bob