Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1976-11-12
1978-01-31
Anagnos, Larry N.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307270, 307290, 307DIG1, H03K 3295, H03K 3353
Patent
active
040717844
ABSTRACT:
An MOS input buffer circuit includes an input connected to the gate electrode of an enhancement mode input MOSFET. The drain of the input MOSFET is connected to the output of the input buffer circuit. The source of the input MOSFET is connected to the drain of a second depletion mode MOSFET having its source connected to ground and its gate connected to a V.sub.DD voltage conductor. A load circuit is coupled between the V.sub.DD voltage conductor and the output, and consists of an enhancement mode MOSFET and a depletion load MOSFET coupled in series between output and V.sub.DD voltage conductor. A third depletion mode MOSFET has its drain connected to the V.sub.DD voltage conductor, its source connected to the source of the input MOSFET, and its gate connected to the output. The positive gain (or negative slope) portion of the switching characteristic of the input buffer circuit extends substantially all the way between the high and low output levels.
REFERENCES:
patent: 3775693 (1973-11-01), Proebsting
patent: 3873856 (1975-03-01), Gerlach
patent: 4023122 (1977-05-01), Oura
Maeder Heinz Bernhard
Schriber Gene Arnold
Anagnos Larry N.
Barbee Joe E.
Motorola Inc.
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