Oscillator circuit and delay circuit

Details Oscillator circuit and delay circuit Oscillator circuit and delay circuit

1998-02-17

1999-06-15

Mis, David

Oscillators

Ring oscillators

331108C, 331177R, 331179, 326 36, 327281, H03B 524

Patent

active

059125918

ABSTRACT:
The present invention provides a novel circuitry comprising a series connection of a plurality of invertor gates, each of which has field effect transistors, wherein at least one of the field effect transistors has a back bias control terminal; and a various bias voltage generator being capable of generating at least one bias voltage and also capable of varying the at least one bias voltage individually, the various bias voltage generator being also electrically connected to the back bias control terminal of the at least one of the field effect transistors for applying the at least one bias voltage to the back bias control terminal so that the various bias voltage generator is operated to individually vary the at least one bias voltage thereby to individually vary a threshold voltage of the at least one of the field effect transistors.

REFERENCES:
"MOSFET in Circuit Design"; Crawford, R.H..; 1967; McGraw-Hill Book Company; p. 93.

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