Signal converter

Details Signal converter Signal converter

1976-05-17

1978-01-10

Miller, Jr., Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307236, 307354, 307362, 340228R, 340248A, H03K 112, G08B 538, H03K 500

Patent

active

040681386

ABSTRACT:
A signal converter for converting a varying input voltage, such as an output signal from a detector, into an output voltage in absolute value, including an operational amplifier, a comparator and two groups of electronic switches. The comparator compares the varying input voltage to a predetermined reference voltage. The operational amplifier has negative and positive input terminals and generates an output voltage signal in proportion to the difference between the voltages applied to its two input terminals. When the input voltage is less than the reference voltage, one group of electronic switches turns on, so that the input voltage and the reference voltage are applied to the negative and the positive input terminals of the operational amplifier, respectively. When the input voltage is greater than the reference voltage, the other group of the electronic switches turns on, so that the input voltage and the reference voltage are applied to the positive and the negative input terminals of the operational amplifier, respectively.

REFERENCES:
patent: 3502905 (1970-03-01), Bicking
patent: 3882327 (1975-05-01), Brown, Jr. et al.

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