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If you want to eliminate the transformer and the negative supply, and your load is high impedance (comparator input?), maybe you can use the circuit below.mabauti said:I want to convert a signal from 8.5V 60hz sine wave to sawtooth 0-5V wave.
so far I have this :
**broken link removed**
My question is : Is there an easier way to do that?
my final goal is to have a phase control circuit.
Your original schematic implied that you already have an 8.5V peak sine wave. If you are actually getting the 8.5V sine from a transformer connected to the 120V mains, you can still use the schematic I posted. I am posting an alternate version that uses both phases out of the transformer. I show the option of getting your DC power directly from the transformer, which may or may not be useful.mabauti said:What if I used the transformer anyway (120VCA>8.5VCA)?
What if I would like to connect the circuit directly to the 120 AC power?
Please let us know if it works for you.mabauti said:Thank you very much Roff ! =)