High-Input and Low-Output Impedance Voltage-Mode Universal DDCC and FDCCII Filter

Chen, Hua‐Pin; Yang, Wan-Shing

doi:10.1093/ietele/e91-c.4.666

Cited by 9 publications

(1 citation statement)

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“…In 2000 a new active devices called fully differential second‐generation current conveyor (FDCCII) was proposed 19 to improve the dynamic range in mixed‐mode applications where fully differential signal processing was required. These papers were realized with FDCCII 19–28. Only El‐adawy et al 19 proposed that circuit can be adjusted with electronic voltage among FDCCII‐based filters, although this configuration requires three FDCCIIs, two grounded capacitors and three NMOS resistors.…”

Section: Introductionmentioning

confidence: 99%

FDCCII‐based electronically tunable voltage‐mode biquad filter

Kaçar

Yeşil

2010

Circuit Theory & Apps

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SUMMARYIn this work, a voltage-mode biquad filter realizing low-pass, band-pass and high-pass characteristics is presented. The proposed filter, which employs two FDCCIIs, two grounded capacitors and two NMOS transistors, provides electronic tunability with the control voltage applied to the gate. NMOS transistors act as linear resistor. Furthermore, the proposed circuit still enjoys realization using a low number of active and passive components, no requirement with the component choice conditions to realize specific filtering functions, high input impedance, and low active and passive sensitivities performance. Simulation results using SPICE program are given to show the performance of the filter and verify the theory.

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Section: Introductionmentioning

confidence: 99%