Title :
Narrow-band MMIC filters with automatic tuning and Q-factor control
Author :
Katzin, P. ; Bedard, B. ; Ayasli, Y.
Author_Institution :
Hittite Microwave Corp.,, Woburn, MA, USA
Abstract :
Narrowband, active monolithic-microwave-integrated-circuit (MMIC) filters at X-band are discussed. Results for both bandpass and notch circuits fabricated using standard GaAs MESFET processes are presented. A novel master-slave control circuit provides compensation for fluctuations in the fabrication process and operating temperature, and it enables the filter to accurately track a reference signal.<>
Keywords :
III-V semiconductors; MMIC; Q-factor; Schottky gate field effect transistors; active filters; band-pass filters; compensation; field effect integrated circuits; gallium arsenide; notch filters; tuning; GaAs; MESFET processes; MMIC filters; Q-factor control; X-band; automatic tuning; bandpass; compensation; master-slave control circuit; monolithic-microwave-integrated-circuit; narrow band active filters; notch circuits; Active filters; Automatic control; Band pass filters; Circuit optimization; Gallium arsenide; MESFET circuits; MMICs; Master-slave; Narrowband; Q factor;
Conference_Titel :
Microwave and Millimeter-Wave Monolithic Circuits Symposium, 1993. Digest of Papers., IEEE 1993
Conference_Location :
Atlanta, GA, USA
Print_ISBN :
0-7803-1322-4
DOI :
10.1109/MCS.1993.247458
