rich.
about the only way that i know of is to pull the crystals one at a time and try
them in a oscillator circuit, a one transistor job built on perfboard or
protoboard
the color codes were tolerance. So, yes, a blue crystal from one filter to
another should work.
Mike Bryce, WB8VGE
the heathkit shop
SunLight energy systems
J e e p
o|||||||o
> On Apr 3, 2016, at 12:21 PM, Froiseth Richard <Rfwd6dok@centurylink.net>
> wrote:
>
> I have a 220 SSB Ten Tec filter for 9 MHz IF that doesn’t work.
> Is there any way to test the board to see what crystal is bad?
> I notice the crystals appear to be color coded. If so can the same colored
> crystal from another board be used?
> Where is a good place to get replacement crystals?
>
>
> 73’s
> Rich, WD6DOK
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