Electronics > Projects, Designs, and Technical Stuff

PT2399 is bad

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schmitt trigger:
 Attempted to watch the video.

In addition to the previous comment of an out-of-focus video, you should also make a serious attempt to have the oscilloscope properly triggered.

Jan Audio:
Oh, there is some triggering switch on this scope.
I dont know how it works, i bought it for €20,-

The circuit is straightforward.
I gave up on this PT2399, wont try again.
Going to buy SRAM and hook up to this noisey DSPIC33FJ128GP802, will switch audio off to prevent noise when silent.

Why is there no modern version of this PT2399 with longer delaytimes and higher samplerate ?

If you have better luck with this PT2399, have you scoped the signal that goes in ?
Thing is i build a whole synthesizer and added this delay chip, total takes 104 milliamp sofar without LCD.

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