Low Voltage CMOS Fully Differential Current Feedback Amplifier with Controllable 3-dB Bandwidth

Low Voltage CMOS Fully Differential Current Feedback Amplifier with Controllable 3-dB Bandwidth

This paper presents a CMOS fully differential current feedback operational amplifier with controllable 3-dB bandwidth. The FDCFOA has the advantage of a wide range controllable 3-dB bandwidth (~57 MHz to 500 MHz) without changing the feedback resistance. The FDCFOA has a standby current of 320 ¿A. P...

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Bibliographische Detailangaben
Hauptverfasser: Madian, A.H., Mahmoud, S.A., Soliman, A.M.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Bandwidth
CFOA
CMOS process
CMOS technology
Differential amplifiers
Feedback amplifiers
fully differential
Impedance
Low voltage
Operational amplifiers
Stability
Voltage control
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Beschreibung
Zusammenfassung:This paper presents a CMOS fully differential current feedback operational amplifier with controllable 3-dB bandwidth. The FDCFOA has the advantage of a wide range controllable 3-dB bandwidth (~57 MHz to 500 MHz) without changing the feedback resistance. The FDCFOA has a standby current of 320 ¿A. PSpice simulations of the FDCFOA block were given using 0.25 ¿m CMOS technology from AMI MOSIS and dual supply voltages ±0.75 V.
DOI:10.1109/ICSPC.2007.4728263