Low power integrated circuit white noise source

Details Low power integrated circuit white noise source Low power integrated circuit white noise source

1992-06-18

1994-07-19

Kuntz, Curtis

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

328165, H03K 400, H03B 100

Patent

active

053312171

ABSTRACT:
A low power white noise source is fabricated on an integrated circuit. The noise source includes a bipolar junction transistor (Q.sub.BJT) having an emitter terminal coupled to a common circuit potential, a collector terminal coupled to a source of current (CS), and a base terminal coupled through a resistance (R.sub.B) to a bias signal (V.sub.bias). The resistance has a resistance value selected to enhance a noise signal generated by the transistor in a collector current thereof. The noise source further includes a transresistance amplifier (AMP) having an input coupled to the collector terminal for converting the noise signal to a voltage signal (NOISE OUT) having white noise characteristics.

REFERENCES:
patent: 3944945 (1976-03-01), Corte et al.
patent: 4151471 (1979-04-01), Packard et al.
patent: 4175258 (1979-11-01), Borkowski et al.

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