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punnus

  • 3 years ago

use zero cross detector for triangle pulse generation.

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  1. punnus
    • 3 years ago
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    The top fig shows a zero crossing detector. And the Bottom fig shows a triangular pulse generator. Now in the bottom fig I see two resistors R1 and R2 which are connected with the 1st opamp and the o/p of the second opamp. I want to ask can I replace the first op amp by a zero crossing detector and what is the use of R1 and R2 in the bottom circuit..

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