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Indian Journal of Pure & Applied Physics (IJPAP) >
IJPAP Vol.43 [2005] >
IJPAP Vol.43(01) [January 2005] >
| Title: | Electronically tunable current-mode bandpass filter |
| Authors: | Shah, N A
Iqbal, S Z
Parveen, B |
| Keywords: | Current-mode filter
electronic tunability
grounded capacitors |
| Issue Date: | Jan-2005 |
| Publisher: | CSIR |
| IPC Code: | H03K 3/00 |
| Abstract: | A new current-mode (CM)
operational transconductance amplifier-capacitor (OTA-C) structure implementing
second-order bandpass (BP) filtering response and offering a variety of
performances is presented. The use of one type of sources and grounded
capacitors (GC) considerably simplifies the implementation of the filter in
contemporary IC form. The electronic tuning of circuit characteristics has been
achieved orthogonally by adjusting the transconductance gain (gm) of OTAs. The
circuit possesses low sensitivity figures having values less than or equal to
unity lending it better performance feature. |
| Page(s): | 60-62 |
| ISSN: | 0975-1041 (Online); 0019-5596 (Print) |
| Source: | IJPAP Vol.43(01) [January 2005]
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