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Velleman's K4301 is a fun pink noise generator with an output voltage of 150mVrms and output impedance of 1Kohm.
Pseudo random digital noise
Regulator sliding length: 33 bit
Clock frequency: adjustable between 30 and 100kHz
Pink noise filter: 3dB/octave (20Hz to 20kHz)
Output voltage: 150mVrms
Output impedance: 1Kohm
Power supply: 9-12VAC or 12-15VDC/5mA
PCB dimensions: 2.8x1.7"
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