Jul 20, 2005 #1 B benwgl Newbie level 1 Joined Jul 20, 2005 Messages 1 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,286 I use calibre PEX extracting parasitic paramerter including resister and capacitor, But OTA bias voltage have 100mv offset when using hspice simulating it. The OTA is cmos circuits. Bias voltage drives the gate of mos. Please tell me why.
I use calibre PEX extracting parasitic paramerter including resister and capacitor, But OTA bias voltage have 100mv offset when using hspice simulating it. The OTA is cmos circuits. Bias voltage drives the gate of mos. Please tell me why.
Jul 21, 2005 #2 T tsanlee Member level 3 Joined Jul 9, 2004 Messages 67 Helped 8 Reputation 16 Reaction score 1 Trophy points 1,288 Activity points 643 calibre PEX Can you paste the detail circuit. The offest voltage maybe come form another sub-circuit (input stage ,feedback,or systematic offset..)
calibre PEX Can you paste the detail circuit. The offest voltage maybe come form another sub-circuit (input stage ,feedback,or systematic offset..)