APU square channel circuit

This is an archive of a topic from NESdev BBS, taken in mid-October 2019 before a server upgrade.
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APU square channel circuit
by on (#108723)
Circuit here : http://forum.emu-russia.net/viewtopic.p ... 781#p19781

Source : http://breaknes.com/files/APU/SQUARE1.zip
Re: APU square channel circuit
by on (#109002)
Awesome stuff ! I particularly liked the tracing done on top of the die shot ! Thanks for posting !