Audio Powered Noise Clipper Circuit Diagram.Tl and T2 are 600 to 8 ohm transformers (any transistor radio
output transformers with 500 to 4 ohm impedance may be used). Ql is a
2N2222 npn transistor, and Q2 is a 2N2907 pnp transistor. Dl and D2
1N270 signal diodes (HEP 134 or 135). Two transistors, powered by the
audio power contained within the signal, will clip signal peaks which
exceed the threshold established by the 2.5 potentiometer.
The diodes
isolate the positive and negative clipping circuits represented by the
npn and pnp transistors, respectively. A desired audio operating level can be established and the potentiometer needs little or no further adjustment.
Audio Powered Noise Clipper Circuit Diagram
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