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Re: Using the PLJ-6LED digital display with the R4C

 

I like to use the J-310/MPSH-10 buffer amp used in the old (now retired, NLA) NorCal FCC-1 frequency counter kit.
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Schematic is in the manual at:
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The same or similar circuit is used in many articles.? Works good on the INJ line.
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73,
Gary
WB6OGD
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