Re: ultrasonic speaker simple amplifier

On May 30, 5:03?pm, "Infundibulum" <Infudibu...@xxxxxxxxxxxxxxxxxx>
wrote:
?I'd like to raise the power
output on the speaker above what I get from the 555 timer pin 3 output.

You could try a National Semiconductor LM4950 audio amp.
Single supply, easy to hook up.
Gain is set with programming resistors.
Up to 7 Watts in bridge mono mode.

-mpm


.