| Summary: | 碩士 === 中原大學 === 電子工程研究所 === 93 === This paper focuses on the design of a novel biquadratic filter using five kinds of current-mode active elements which are the current differencing buffered amplifier (CDBA), the plus-type of differential difference current conveyor (DDCC+), the current feedback amplifier (CFA) and the plus-type and the minus-type of second generation current conveyor (CCII ). Moreover, the proposed circuit can eliminate the redundant terminals. Furthermore, it uses two capacitors and eight resistors. All capacitors and resistors in the circuit are grounded and suitable for integrated circuit implementation. The transadmittance proposed filter offers several advantages, such as high input and output impedances, low sensitivities to passive elements, with the capabilities of controlling and Q with the values of capacitors and resistors, respectively. An example is also given. The active devices of the proposed circuit have been simulated by Hspice using 0.5 CMOS technology.
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