[Amps] I'm not kidding: TL922

Mike Waters mikewate at gmail.com
Fri Feb 6 14:14:43 EST 2015


Somebody suggested having a young person listen for a very-high pitched
sound. I think that's a very good idea indeed. Has that been tried yet?

I know a teenage boy that can hear the 'ultrasonic' noise emanating from
most cell phone and tablet screens, and at a considerable distance.

73, Mike
www.w0btu.com


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