Advice for improving a Ultrasonic Dog Bark Stopper

[colin55]

Here's a simple 40kHz Dog-Bark Stopper circuit:

 

[Sceadwian]

Thanks colin for muddying the water by posting a generic circuit that has no relevance to the posters request for an amplifier capable of 100watts that could run from his existing bark stopper.

 

[4pyros]

muddying the water

I think thats already been done.

 

[Sceadwian]

Yeah, pyro but don't need to throw gas on a fire =>

 

[4pyros]

Yeah, pyro but don't need to throw gas on a fire =>

Ya but Colin's circuit is neat, I saved it under 555 timer stuff. I never seen a push pull 555 before. Andy