✦ LIBER ✦

Realization of MOS-compatible multifunctional active-C biquadratic filter for high frequency applications

✍ Scribed by I.A. Khan; M.T. Ahmed

Book ID: 104157455
Publisher: Elsevier Science
Year: 1986
Tongue: English
Weight: 242 KB
Volume: 17
Category: Article
ISSN: 0026-2692
DOI: 10.1016/s0026-2692(86)80110-0

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✦ Synopsis

state-variable technique is employed in the realization of a multifunctional active-C biquadratic filter. The basic block is shown to give simultaneously low-pass (LP), band-pass (BP) and band-elimination (BE) responses. The use of only two operational amplifiers (OA's) and ratioed capacitors makes the circuit highly suitable for MOS implementation. The effects of circuit parasitics and excess phase introduced by the OA's are shown to be accountable for in the design. Experimental results show good agreement with the theory.

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