CONTROLLABLE PRECISION TRANSCONDUCTANCE
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United States of America Patent
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Issued Date -
Jan 29, 2009
app pub date -
Jul 26, 2007
filing date -
Jul 26, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Techniques for providing precise transconductance values are disclosed. For instance, an apparatus includes a slave transconductance cell and a control loop. The control loop provides a tuning voltage to the slave transconductance cell. Moreover, the control loop includes a master transconductance cell that generates a master output current, and a current amplifier that generates the tuning voltage based on an error signal. The error signal reflects a difference between a reference current and the master output current. Further, the current amplifier provides the tuning voltage to the master transconductance cell.
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