Title :
A CMOS power amplifier with a novel output structure
Author_Institution :
Sch. of Inf. Syst., East Anglia Univ., Norwich, UK
fDate :
2/1/1992 12:00:00 AM
Abstract :
A two-stage op-amp with a novel output driver achieves 5.8-MHz GBW, 68° phase margin, and delivers 2.6 Vpp with a THD of 0.14% and 3.2 Vpp with a THD of 0.38% into 100 Ω at 20 kHz for a ±2.5-V supply. The output driver enables a very simple circuit measuring only 0.11 mm2
Keywords :
CMOS integrated circuits; driver circuits; linear integrated circuits; operational amplifiers; power amplifiers; wideband amplifiers; -2.5 V; 2.5 V; 2.6 V; CMOS power amplifier; output driver; stability; two-stage op-amp; Bipolar transistors; Driver circuits; Impedance; MOSFETs; Operational amplifiers; Power amplifiers; Power supplies; Resistors; Silicon; Voltage;
Journal_Title :
Solid-State Circuits, IEEE Journal of
