Pink noise generator

Posted on Jun 10, 2012

A reverse-biased pn junction of a 2N2712 transistor is used as a noise generator. The second 2N2712 is an audio amplifier. The 005 µf capacitor across the amplifier output removes some high-frequency components to simulate pink noise more closely

Pink noise generator
Click here to download the full size of the above Circuit.

The audio output may be connected to high-impedance earphones or to a driver amplifier for speaker listening.

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