Switching circuits using operational amplifiers

Details Switching circuits using operational amplifiers Switching circuits using operational amplifiers

1974-06-14

1976-10-05

Schaefer, Robert K.

Electricity: motive power systems

Plural diverse motor controls

Running-speed control

318257, H02P 728

Patent

active

039847403

ABSTRACT:
A switching circuit has an operational amplifier connected between positive and negative supply lines and has its non-inverting input terminal connected through a resistor to an intermediate supply line. The inverting input terminal of the amplifier is fed with a signal the polarity of which varies with respect to the intermediate input terminal, and a capacitor and a resistor are connected in series between the output and non-inverting input terminal of the amplifier. The arrangement can be used in a control circuit for an electrically driven vehicle.

REFERENCES:
patent: 3543118 (1970-11-01), Koenig
patent: 3564366 (1971-02-01), Worrell
patent: 3586949 (1971-06-01), Spear et al.
patent: 3713009 (1973-01-01), Poppinger et al.

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