Title :
Bandwidth enhancement of transimpedance amplifier by a capacitive-peaking design
Author :
Chien, Feng-Tso ; Chan, Yi-Jen
Author_Institution :
Dept. of Electr. Eng., Nat. Central Univ., Chung-Li, Taiwan
fDate :
8/1/1999 12:00:00 AM
Abstract :
Using a capacitive-peaking (C-peaking) technique to increase the bandwidth of a transimpedance amplifier has been proposed. An analytical model for determining the peaking capacitance in the Butterworth-type transimpedance amplifier design has been derived. Based on this approach, we can design a larger bandwidth of a transimpedance amplifier. The low-frequency transimpedance gain in our fabricated amplifier is 0,95 kΩ, and the 3 dB bandwidth of the transimpedance amplifier is enhanced from 1.1 to 2.3 GHz without sacrificing its low-frequency gain by this C-peaking technique
Keywords :
capacitance; feedback amplifiers; transfer functions; wideband amplifiers; 2.3 GHz; Butterworth-type; analytical model; bandwidth enhancement; capacitive-peaking design; peaking capacitance; transimpedance amplifier; Analytical models; Bandwidth; Capacitors; Circuits; High speed optical techniques; Inductors; Optical amplifiers; Optical receivers; Parasitic capacitance; Transfer functions;
Journal_Title :
Solid-State Circuits, IEEE Journal of
