Charging circuit for a reference capacitor

Details Charging circuit for a reference capacitor Charging circuit for a reference capacitor

1985-08-16

1987-04-14

Sloyan, T. J.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

307109, 323274, 323275, 340347AD, 340347CC, 340347M, H03G 300

Patent

active

046581987

ABSTRACT:
A charging circuit is provided to decrease the settling time of a reference capacitor storing a reference voltage for data acquisition circuits. The charging circuit includes one or more comparator circuits for comparing the voltage across the reference capacitor to the reference voltage provided by a reference source. If the voltage from the reference source deviates by a predetermined amount, one or more buffer circuits rapidly charge the reference capacitor to a voltage substantially equal to the new reference voltage. The reference source is then coupled directly to the capacitor to complete the charging of the capacitor to the new reference voltage.

REFERENCES:
patent: 4555655 (1985-11-01), Tanaka

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