Abstract
This paper presents a new current-mode single input multi output (SIMO) type biquad employing one voltage differencing transconductance amplifier (VDTA), two grounded capacitors and a single grounded resistor. The configuration realizes all basic filter functions (i.e. Low Pass (LP), High Pass (HP), Band Pass (BP), Notch (BR) and All Pass (AP)). The natural frequency (ω0) and bandwidth (BW) are independently tunable. The workability of proposed configuration has been verified using SPICE simulation with TSMC CMOS 0.18 μm process parameters.
Highlights
Active filters are important basic building blocks, which are frequently employed in electrical engineering applications
This paper presents a new current-mode single input multi output (SIMO) type biquad employing one voltage differencing transconductance amplifier (VDTA), two grounded capacitors and a single grounded resistor
During the past few years, active filters using different current-mode/voltage-mode building blocks have been employed in which VDTA, recently introduced in [2], appears to be a useful active building block for an easy CMOS implementation of current-mode signal processing/signal generation [3,4,5]
Summary
Active filters are important basic building blocks, which are frequently employed in electrical engineering applications. In references [6,7,8,9], SIMO-type filter configurations employing 2/4 resistors and 2/3 capacitors have been presented. These proposed filter structures do not realize all the five filter responses. The configurations presented in [10] and [11] use one resistor and two capacitors but fail to realize all the basic filter functions. The purpose of this communication is to propose a new SIMO-type current-mode universal biquad filter employing one VDTA, two grounded capacitors and a sin-. The workability of proposed configuration has been verified using SPICE simulation with TSMC CMOS 0.18 μm process parameters
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
