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Pink noise generator

2017-09-09 11:44  
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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

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

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