Method and circuit for varying transconductance and variable ban

Details Method and circuit for varying transconductance and variable ban Method and circuit for varying transconductance and variable ban

1998-01-06

2000-04-18

Le, Dinh T.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Converting input voltage to output current or vice versa

327553, 327561, 330303, 330284, 330254, H03K 500, H03F 3191

Patent

active

060520019

ABSTRACT:
A variable transconductance method and circuit is disclosed along with a filter and an amplifier using the same. An output transconductance is set by selectively adding at least two transconductances which are set according to a select signal for variably selecting an output transconductance.

REFERENCES:
patent: 4009400 (1977-02-01), Harris et al.
patent: 5278700 (1994-01-01), Sutliff et al.
patent: 5510738 (1996-04-01), Gorecki et al.
patent: 5872475 (1999-02-01), Otaka
Kim et al. , "Active RC . . . Controls", J. Korean Inst. Electron Engineering, Vo. 12, No. 6, Feb. 1976).

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