Re: bitx v3 rx linearity?
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Check the biasing of the transistors to verify that they are in the linear range. ?
On Feb 16, 2019, at 18:50, Adrian Chadd < adrian@...> wrote:
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Hi!
Sorry, was the ubitx 4. oops!
Anyway - I checked at the two mixer stages. TP17/TP20 are fine. TP21 is where the distorted sine wave shows up.
-adrian
On Sat, 16 Feb 2019 at 15:37, Evan Hand < elhandjr@...> wrote:
The only difference between a v3 and v4 is the audio section.? Where exactly are you measuring the distortion?
73
Evan
AC9TU
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