I'm looking for some guidance. If I set the 1P up for 6dB de-emphasis,
I don't have enough audio to sufficiently modulate the transmitter. If
I option the 1P for gain (no de-emphasis), the DTMF no longer
responds, but I do have enough gain for good modulation. Should I add
a LM386 and go with the de-emphasis? I'm using this with a Mitrek.
Also, is B & D still around? The
number I have is no longer good.
Howard
WB4GUD
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