The Designer's Guide Community Forum https://designers-guide.org/forum/YaBB.pl Design >> Analog Design >> Gm-c bandpass filter transconductance simulation https://designers-guide.org/forum/YaBB.pl?num=1357656006 Message started by lhlbluesky_lhl on Jan 8th, 2013, 6:40am

Title: Gm-c bandpass filter transconductance simulation Post by lhlbluesky_lhl on Jan 8th, 2013, 6:40am in gm-c bandpass filter, how to simulate the transconductance of OTA, just as gm-curve.jpg (output current vs differential input voltage)? i mean that, how to get the output current of OTA in dc analysis (is it the current difference of pmos and nmos of OTA output stage)? besides, for a vdd=3V bandpass gm-c filter, generally, what is the max differential input voltage, can it be +/-600mV or larger? thanks.

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