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Re: Problem with 50 Watt amp for QCX


 

Bernie Poskus, KF0QS via groups.io <hamdan@...> wrote:

The current draw measurement is 74 MA.? Unfortunately, the current draw
never changes even when I turn R5 fully clockwise.
Never turn it fully clockwise. If there was an intermittent connection and
it accidentally went away, you'd destroy the finals.

What is the voltage at the output of the linear regulator (78L05) when
amplifier is keyed (but not transmitting)?

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