Design of VDTA based tuneable universal filters
2020 IEEE Students Conference on Engineering & Systems (SCES)（2020）
摘要
In this paper, active filter has been designed to realizing high pass, low pass and band pass filter by using single voltage differencing transconductance amplifier (VDTA). In the circuit configuration, active resistance is used by NMOS transistor which provides programmability to the filter. Cutoff frequency of High pass (HP), Low pass (LP) and band pass (BP) filter is 101.67 KHz, 2.26 MHz and 1 MHz respectively. Supply voltage of the filter is ± 900mV.
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关键词
VDTA,Active resistance,Active filter,ABB
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