Mike,
Thanks for the info.
73’s
Rich, WD6DOK
> On Apr 3, 2016, at 1:12 PM, Mike Bryce <prosolar@sssnet.com> wrote:
>
> 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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>
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