Switched capacitor precision current source

Details Switched capacitor precision current source Switched capacitor precision current source

1981-07-27

1983-02-15

Shoop, William M.

Electricity: power supply or regulation systems

External or operator controlled

Using a three or more terminal semiconductive device as the...

323284, 307297, 307304, 320 1, G05F 146

Patent

active

043743579

ABSTRACT:
A switched capacitor precision current source uses a capacitance to store a predetermined charge in response to a clock to provide an average current proportional to the frequency of the clock and the predetermined charge. The average current is useful for generating bias voltages for N channel and P channel current sources.

REFERENCES:
patent: 3675115 (1972-07-01), O'Loughlin
patent: 3777253 (1973-12-01), Callan
patent: 3805146 (1974-04-01), Culley
patent: 3839673 (1974-10-01), Acker
patent: 4051428 (1977-09-01), Imai
patent: 4199693 (1980-04-01), Bennett
patent: 4344121 (1982-08-01), Weber

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