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Old 13th Mar 2019, 12:53 pm   #3
Radio Wrangler
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Join Date: Mar 2012
Location: Fife, Scotland, UK.
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Default Re: 2N3819 MW mixer circuit problem

The local oscillator, whatever it is, will see a rather low impedance ( 220 ohms//1/Gfs) and it all depends on the oscillator circuit and its drive capabilities. You need an oscillator or buffer compatible with that load.

David
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