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Question for you electronic/circuit builders
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[quote:-Adam-:MV8zNDY4MjI3XzYxOTkxMDQxX0M3NkVBOEM=] The sawtooth, in the comparator I built, it makes an output signal that almost looks like the signal seen driving a pair of mosfets in a class-d amp. No good... Mostly from the noise that isn't from the opamps. It is from the optical side of the signal. The noise voltage is small, but still, it doesn't work well. Even with hysteresis adjustable with diodes and 10k or 1k pot. This is why I love electronics, the challenge. But dang, it can really push the minds limit sometimes. [/quote]
Original Message
Is there any way to separate or filter out a sawtooth wave dependent upon which direction the saw tooth edge is?
ie, one part lead rises sharp and tapers for one signal and the other signal has a leading taper then a sharp drop in voltage.
I do not want to filter frequency, already have a passive low pass to cut high freq noise.
Just need to separate the two signals. (or omit one and then buffer, omit the other)
I am completely baffled on this one.
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