Title :
Second-order switched-capacitor bandpass filter implemented in GaAs
Author :
Harrold, S.J. ; Vance, I.A.W. ; Haigh, D.G.
Author_Institution :
Standard Telecommunication Laboratories Ltd., Harlow, UK
Abstract :
A GaAs second-order switched-capacitor bandpass filter has been fabricated. Operation with clock frequencies up to 100 MHz and centre frequencies up to 4 MHz has been achieved, with an insertion loss of between 3 dB and 15 dB and a centre frequency accuracy of 90¿98%.
Keywords :
III-V semiconductors; band-pass filters; field effect integrated circuits; gallium arsenide; switched capacitor filters; GaAs; II-V semiconductors; bandpass filter; centre frequencies up to 4 MHz; centre frequency accuracy; clock frequencies up to 100 MHz; insertion loss; second-order; switched capacitor filters;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19850350