Four-quadrant multiplier

Details Four-quadrant multiplier Four-quadrant multiplier

1995-07-26

1996-09-17

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific input to output function

Combining of plural signals

327357, 327359, 327105, 327113, 327119, 455333, H03B 1900

Patent

active

055572286

ABSTRACT:
A four-quadrant multiplier using BiCMOS circuits can be applied in high-frequency analog circuits. The four-quadrant multiplier includes two transform circuits to generate two intermediate signals proportional to the first and second input signals, respectively; four square circuits to provide a squaring relationship between current and voltage in the four square circuits; and two resistors serving as a load for the currents of the four square means and for outputting the resultant voltage to an output port.

REFERENCES:
patent: 5151625 (1992-09-01), Zarabadi et al.
patent: 5196742 (1993-03-01), McDonald

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