scholarly journals Voltage differencing current conveyor based linearly controllable quadrature oscillators

2016 ◽  
Author(s):  
R. Sotner ◽  
J. Jerabek ◽  
J. Petrzela ◽  
T. Dostal
Keyword(s):  
Current Conveyor ◽  
Quadrature Oscillators

scholarly journals New Two Simple Sinusoidal Generators with Four 45o Phase Shifted Voltage Outputs Using Single FDCCII and Grounded Components

2018 ◽  
Vol 8 (6) ◽  
pp. 5080
Author(s):  
Kasim K. Abdalla
Keyword(s):  
Harmonic Distortion ◽  
Cmos Technology ◽  
Current Conveyor ◽  
Sinusoidal Voltage ◽  
Fully Differential ◽  
Voltage Output ◽  
Sinusoidal Oscillator ◽  
Output Stages ◽  
Quadrature Oscillators ◽  
Theoretical Analyses

Two new 45o phase shifted sinusoidal oscillator configurations employing single Second Generation Fully Differential Current Conveyor (FDCCII), two grounded capacitors and two grounded resistors are presented. The proposed oscillators can provide four sinusoidal voltage outputs with each a 45o phase difference. These circuits can also be utilized as voltage-mode quadrature oscillators. Additional output stages incorporation in FDCCII can also result in current outputs spaced 45 degree apart. The proposed circuits enjoy the simplicity and less passive and active component. The Total Harmonic Distortion (THD) of the output waveforms was reasonability values (less than 4.5%). The circuits can supply two equi-quadrature outputs and the Lissajous patterns confirm the quadrature voltage output waveforms. The workability of the circuits is simulated by PSPICE 0.18 μm CMOS technology. The non-ideal analysis and simulation results verifying theoretical analyses are also investigated.

scholarly journals Voltage-Mode Universal Biquadratic Filter Using Single DVCC

2013 ◽  
Vol 2013 ◽  
pp. 1-5 ◽  
Author(s):  
Jiun-Wei Horng ◽  
Zih-Yang Jhao
Keyword(s):  
Current Conveyor ◽  
Circuit Topology ◽  
Voltage Mode ◽  
Allpass Filters ◽  
Differential Voltage ◽  
Biquadratic Filter ◽  
Differential Voltage Current Conveyor ◽  
Output Filter

A voltage-mode universal biquadratic filter using a differential voltage current conveyor (DVCC), two capacitors, and two resistors is presented. The proposed circuit has four input terminals and three output terminals and can realize all the standard filter functions, which are lowpass, bandpass, highpass, notch, and allpass filters, without changing the circuit topology. Three simultaneous output filter responses can be obtained from some derived filter types. The proposed circuit employs only one DVCC that simplifies the configuration.

Measurement and simulation of a CMOS current conveyor negative capacitor for metamaterials

2014 ◽  
Author(s):  
Varun S. Kshatri ◽  
John M. C. Covington ◽  
Kathryn L. Smith ◽  
Joshua W. Shehan ◽  
Thomas P. Weldon ◽  
...  
Keyword(s):  
Current Conveyor
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