Electronic Circuits and Tutorials
Electronics Schematics - N

Noise / White / Pink Noise Generation Circuits

Broadband Random Noise Generator - DN70  Design Notes (Linear Technology) (app note)

DSP technique generates arbitrary noise - 10/13/94 EDN-Design Ideas: (design idea)

Make Noise with a Pic - 08/07/03 EDN-Design Ideas: Building a stable noise generator for audio-frequency purposes requires only a few components. The circuit in Figure 1 relies on linear-feedback shift registers and some simple software. An eight-pin Microchip (www.microchip.com)PIC12C508 controller (IC2)with a short program generates pseudorandom noise at its output pin

Noise Enhancer Adds Short Noise Pulses - 11/11/96 EDN-Design Ideas: (design idea)

Noise generator - Sometimes there is a need for a noise generator: this will work well in the audio range and, without the 680pF capacitor, will extend in the radio frequency range up to 20-30MHz. Voltage output may vary from 1Vpp to several volts depending

Noise Specs Confusing? - National Semiconductor Application Note  (app note)

Noisemaking Circuits (police siren & chime)

Pink Noise Generator for Audio Testing (Aaron Cake) - For loudspeaker and room acoustics testing  ((circuit / schematic design)

Pseudo noise Generator Doubles its Speed - 12/22/94 EDN-Design Ideas: (design idea)

Random noise generator - (electronic circuit)

Single IC forms pseudorandom noise source - 03/21/02 EDN-Design Ideas: Trying to find a single IC noise source can be frustrating. National Semiconductor once made such a noise source for audio applications, but it's now hard to find. This situation leaves the designer with several choices, most of which involve using several ICs.

Spectrum Analyzer Measurements & Noise - Aligent App Note  (app note)

White & Pink (1/F) Noise Source - (electronic circuit)

White noise generator has no flicker noise component - 03/20/08 EDN-Design Ideas: A white-noise generator with no flicker noise proves useful for testing circuits with an extended low frequency response.

Wideband AGC Amplifier as a Differential Amplifier - National Semiconductor Application Note 10-Apr-2000 / (app note)

1/f Noise Characteristics Influencing Phase Noise 5/17/00  - Application Note California Eastern Laboratories Doc #909  (app note)

A Broadband Random Noise Generator - DN70  Design Notes (Linear Technology) (app note)

AN-104: Noise Specs Confusing? - National Semiconductor Application Note  (app note)

Audio Frequency Digital Noise Generator - When you need to test an audio circuit with broadband noise, this circuit works great. It uses just three inexpensive C-MOS ICs that generate a series of output pulses whose widths vary randomly.

Audio noise generator drives earphones or small speaker  - This is a circuit that generates white noise, rolled-off to drive earphones or a small speaker. White noise creates is a "rushing" sound, which sounds something like air rushing by your ear(s). White noise would be flat with frequency, and since this circuit rolls off within the audio range, I refer to it as "rolled-off" noise. White (or rolled-off) noise.

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