상황
An audio signal needs to be limited to prevent clipping in subsequent stages. A symmetrical Zener clipper is placed after an input source to cap both positive and negative excursions.
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01
Two back-to-back Zener diodes for symmetrical clipping
02
4.7V Zeners set the clipping threshold (Vz + forward drop)
03
Series resistor limits current during clipping
Use when you need a simple, passive, symmetrical audio level limiter with a sharp clipping threshold and moderate impedance.