Multiplication circuit with serially connected capacitive coupli

Details Multiplication circuit with serially connected capacitive coupli Multiplication circuit with serially connected capacitive coupli

1995-09-29

1998-05-05

Mai, Tan V.

Boots, shoes, and leggings

G06J 100

Patent

active

057485100

ABSTRACT:
A multiplication circuit includes a plurality of switches which receive a common analog input voltage and a reference voltage and which alternatively output the input voltage or the reference voltage. A first capacitive coupling is provided which has a plurality of capacitors, each of which receives an output from a respective switch, and a second capacitive coupling is provided with a plurality of capacitors, each of which likewise receives an output from a respective switch. One or more of the capacitors in the first capacitive coupling is connected to the second capacitive coupling. A first inverted amplifier and a second inverted amplifier are connected in series to the output of the second capacitive coupling with individual feedback.

REFERENCES:
patent: 4126852 (1978-11-01), Baertsch
patent: 4475170 (1984-10-01), Haque
patent: 4654815 (1987-03-01), Marin et al.
patent: 4896284 (1990-01-01), Takeuchi et al.
patent: 5361219 (1994-11-01), Shou et al.
patent: 5381352 (1995-01-01), Shou et al.

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