Function generator with means for selectively changing the disch

Details Function generator with means for selectively changing the disch Function generator with means for selectively changing the disch

1982-12-06

1985-03-19

Miller, Stanley D.

Electrical transmission or interconnection systems

With nonswitching means responsive to external nonelectrical...

Temperature responsive

307228, 307490, 307311, H03K 513, H03K 342, G06Q 712

Patent

active

045061777

ABSTRACT:
A function generator includes an operating voltage source, a capacitor, a first resistor coupled to the capacitor so that the capacitor charges through the first resistor, a second resistor coupled to the capacitor to discharge the capacitor through the second resistor, a third resistor, and an operational amplifier for selectively coupling the third resistor to the capacitor to discharge the capacitor through the third resistor selectively in parallel with the second resistor to alter the discharging time constant of the function generator.

REFERENCES:
patent: 3863106 (1975-01-01), Haferl
patent: 4276860 (1981-07-01), Caparka
patent: 4311956 (1982-01-01), Tolmie, Jr.
patent: 4445053 (1984-04-01), Jaeger et al.

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