ckt needed using opamps

Discussion in 'General Electronics Chat' started by ruhi, Jul 8, 2007.

  1. ruhi

    Thread Starter New Member

    Jul 8, 2007
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    i'm a new member ,i need ckts of zero crossing detector &sawtooth generator using opmps op07 only . i'll be grateful if sum1 can really help me out on this matter
     
  2. JoeJester

    AAC Fanatic!

    Apr 26, 2005
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  3. cumesoftware

    Senior Member

    Apr 27, 2007
    1,330
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    Sawtooth generator: a current mirror charging a capacitor, and a comparator discharging it. Try the LM555 with a current mirror.
     
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