Multiplier circuit

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons

Patent

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Details

307230, 328145, 328160, H03K 1700

Patent

active

040385663

ABSTRACT:
A gain control or multiplier circuit in which an ac signal is applied through bipolar diodes having logarithmic response characteristics to the bases of bipolar transistors connected in series and having an output at their junction, the diodes being directly cross connected to the bases, and gain control signals of opposite polarities being applied to the bases, thereby providing a linear output from the transistors despite their non-linear response characteristics.

REFERENCES:
patent: 3532868 (1970-10-01), Embley
patent: 3714462 (1973-01-01), Blackmer
patent: 3928774 (1975-12-01), Wilson

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