Electricity: power supply or regulation systems – Self-regulating – Using a three or more terminal semiconductive device as the...
Patent
1987-09-03
1988-04-05
Salce, Patrick R.
Electricity: power supply or regulation systems
Self-regulating
Using a three or more terminal semiconductive device as the...
363 60, G05F 320
Patent
active
047361549
ABSTRACT:
The present invention provides a voltage regulator for generating a controlled voltage for an electrical circuit. The voltage regulator comprises a first field effect transistor (FET) having its drain connected to a first node, its source connected to ground and its gate connected to its source. A resistor is connected between a supply voltage and the first node. A second FET has its source connected to the first node and its drain and gate commonly connected to a second node. A third FET has its drain connected to the supply voltage, its source connected to the second node and its gate connected to the interconnection between the resistor and the drain of the first FET. A fourth FET has its drain connected to the supply voltage, its gate connected to the second node and its source connected to provide an output signal. A fifth FET has its drain connected to the supply voltage, its source connected to the drain of a sixth FET and its gate connected to the first node. A sixth FET has its drain connected to the source of the fifth FET, its source connected to the second node and its gate connected to its drain. A capacitor has one side connected between the source of the fifth FET and the drain of the sixth FET and its other side connected to a resonant oscillator. According to the present invention, the channel length of the first FET corresponds to the minimum channel length of the FETs included in the electrical circuit.
REFERENCES:
patent: 3806742 (1974-04-01), Powell
patent: 4670706 (1987-06-01), Tobita
National Semiconductor Corporation
Peckman Kristine
Salce Patrick R.
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