Hello.

First: Which voltage level should not be exceeded between both=20
microphone cables(Signal and Mass) *between *a telephone handset and=20
it's telephone?

Second: I have two AC signal sources with a maximum voltage of 1.2 Volts=20
each. Which circuitry is the one with the least amount of components=20
that combines them in an adjustable way without distorting them or=20
diminishing the overal volume?

Best

Alex

--=20
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