A new variable resistor circuit (the resistance of which varies over a range of 0.8 to 50 k/spl Omega/) that uses the transconductance of an MOS transistor operating in the saturated current region, and its application as the feedback resistor of an AGC amplifier are described.
Published in:
Solid-State Circuits, IEEE Journal of
(Volume:5
,
Issue:
1
)
Date of Publication: Feb. 1970