Need electronics advise

Bald Eagle

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Since our electronics experts hang out here, I thought this may be a good forum to ask my question.

Please take a look at the wiring diagram on this website and tell me if it's appropriate to put a 9v. battery in that circuit.  Also does his circuit look correct to you?

Parabolic Microphone

Thanks guys.
 



Archilochus

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Hi BE,
Well, the 9 volt batt should be OK - but I'd use a different type (say 3x "AAA") because they are cheaper and last longer.

I've got one of these dishes in my pile of stuff - been meanin' to build a parabolic mic for my bat detector (yup - BAT detector!). Might just try this design - I really like the rubber band mic isolator idea.  Thanks for the link!

Archilochus
 


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