Title :
Automatic tuning of linearly tunable high-Q filters
Author :
A.I. Karsilayan; Sung-Ling Huang;J.A. De Lima
Author_Institution :
Dept. of Electr. Eng., Texas A&M Univ., College Station, TX, USA
fDate :
6/24/1905 12:00:00 AM
Abstract :
A new tuning scheme for linearly tunable high-Q filters is proposed. The tuning scheme uses the phase information for both frequency and Q factor tuning, therefore no relationship between filter´s passband magnitude and Q is required. To reduce the simulation overhead, operation of the tuning circuit is verified on a symbolic filter whose parameters were derived from the transistor level circuit. At 10 MHz, for a desired Q of 20, simulated frequency and Q tuning errors are 0.3% and 1.7%, respectively.
Keywords :
"Frequency","Tuning","Circuit optimization","Band pass filters","Q factor","Voltage control","Nonlinear filters","Tunable circuits and devices","Information filtering","Information filters"
Conference_Titel :
Circuits and Systems, 2002. ISCAS 2002. IEEE International Symposium on
Print_ISBN :
0-7803-7448-7
DOI :
10.1109/ISCAS.2002.1010669
