Automatic compensation circuit for use with analog multiplier

Details Automatic compensation circuit for use with analog multiplier Automatic compensation circuit for use with analog multiplier

1983-06-22

1986-08-26

Myracle, Jerry W.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Plural inputs

324130, 330 9, 364841, 364844, G06G 716

Patent

active

046085335

ABSTRACT:
An automatic compensation circuit for use with an analog multiplier is disclosed. At regular intervals at least one input to the analog multiplier is constrained to be zero for a short time. During this time a sample and hold circuit retains the pre-existing output voltage and a feedback circuit is activated which adjusts the output voltage of the multiplier to zero, thereby providing an accurate multiplied or product signal, typically representing power consumption, which is adjusted or compensated for the effects of any internal errors occurring within the analog multiplier.

REFERENCES:
patent: 3541446 (1970-11-01), Prozeller
patent: 3801919 (1974-04-01), Wilkes et al.
patent: 4118787 (1978-10-01), Arnoux
patent: 4297642 (1981-10-01), Baldwin et al.

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