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.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

Amp with Tone Controls & Soft Switching
Optical switch detector with 555
Touch switch
Successive approximation a-d converter
Ultra-precise long time delay relay
high input voltage regulators using lm340
3V Sweeping Siren Alarm
Low voltage DC motor speed control circuit
Microphone AGC amplifier
200 Watt High Quality Audio Amplifier



Top