Abstract
A new multi function voltage-mode universal biquadratic filter using single Voltage Differencing Differential Input Buffered Amplifier (VD-DIBA), two capacitors and one resistor is proposed. The proposed configuration has four inputs and one output and can realize all the five standard filters from the same circuit configuration. The presented biquad filter offers low active and passive sensitivities. The validity of proposed universal biquadratic filter has been verified by SPICE simulation using 0.35 μm MIETEC technology.
Highlights
IntroductionAttention has been devoted to the design of multi-input single output (MISO) or single input multioutput (SIMO) current-mode or voltage-mode universal biquadratic filters because of their versatility and flexibility for practical applications as the same circuit topology can be employed for different filter responses
The validity of proposed universal biquadratic filter has been verified by SPICE simulation using 0.35 μm MIETEC technology
Attention has been devoted to the design of multi-input single output (MISO) or single input multioutput (SIMO) current-mode or voltage-mode universal biquadratic filters because of their versatility and flexibility for practical applications as the same circuit topology can be employed for different filter responses
Summary
Attention has been devoted to the design of multi-input single output (MISO) or single input multioutput (SIMO) current-mode or voltage-mode universal biquadratic filters because of their versatility and flexibility for practical applications as the same circuit topology can be employed for different filter responses. Several voltage-mode/current-mode universal biquadratic filters using different types of single active building block/device have been presented in [1,2,3,4,5,6,7,8]. The various filter configurations proposed in [1,2,3,4,5,6,7,8] and [10,11] employ single active device/element, but use two to four capacitors and two to four resistors. The purpose of this paper is to introduce a new voltage-mode universal biquadratic filter using single VD-DIBA, two capacitors and only one resistor. The validity of the proposed configuration has been verified by SPICE simulation using 0.35 μm MIETC technology
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