Does anybody know of a schematic for an amplitude modulated amplifier? Yes, I do mean *amplifier.*
Ron
And Now For Something Completely Different
Aug 17, 2007
4 Replies
Way too unspecific. Microwatts or megawatts? Audio? RF? What's your objective?
Find a copy of the Radio Amateur's Handbook. You should find a plethora of schematics and general information on amplitude modulation techniques.
Tom
"Ron Hubbard"
** See any guitar amp schem that has a " vibrato " effect circuit included.Fender, Music Man, Dynacord, Goldentone ......
....... Phil ;-0
A while back I made a sonic screwdriver for my nephew who was, is, a big Doctor Who fan. It used frequency modulated sound to turn screws. But at 143 dB it was too loud and people complained when he played with it. So I decided to redesign it, use amplitude modulated ultrasound which is still loud, but so directional nobody can complain about it. I figure it would be easier to amplitude modulate an [audio] amplifier than an ultrasound oscillator.
Ron
[audio]amplifierthan an ultrasound oscillator.
To turn screws? Really? How well did it work?
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