>I've yet to get any kind of info on exactly how you connect in the
>"audio compensation" 5 volt battery, what's shown there is not a
>circuit. So I've not done that part. Feeding signal through 4.7 mf caps.
>The output pin has 5-6 volts DC relative to pin 2. The sheet lists 3
>volts, maybe if I build a battery circuit like that and drive the
>voltage down, or even just draw it down with a resistor. Just don't have
>the info and don't want to kill a mic.
>
>I also left off the zenar, the mics are specd as being happy with a 2
>volt range of supply, I've actually found that anything from 5 - 9 volts
>runs them just fine. I was unable to locate 8 volt zenar's locally. If
>you take the voltage down to 4 volts the oscillation finally dies, but
>so does most of the mic sensitivity.
Further thoughts: Is it not an oscillation, but a beat frequency
between the RF oscillators of the mikes? Separate power supplies?
Maybe the zener provides a low-z source for the supply voltage that
damps out the RF feedback from the mike?
-Dan
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