According to the equivalent view for the terminal current-voltage constraint relationship between pathological elements and the various second-generation current-controlled convegors （CCCIIs）, four patholo- gical mo...According to the equivalent view for the terminal current-voltage constraint relationship between pathological elements and the various second-generation current-controlled convegors （CCCIIs）, four patholo- gical models for the CCCII are first derived by means of the nodal admittance matrix expansion in this paper. Moreover, 48 new pathological models for the modified CCCII are also synthesized. The derived pathological models for the various CCCIIs are expected to be useful in circuit analysis and synthesis.展开更多
By the aid of nullor-mirror models of the second-generation current-controlled conveyor(CCCII) and applying the nodal admittance matrix(NAM) expansion method, the family of current-mode Colpitts oscillators employing ...By the aid of nullor-mirror models of the second-generation current-controlled conveyor(CCCII) and applying the nodal admittance matrix(NAM) expansion method, the family of current-mode Colpitts oscillators employing four CCCIIs and three grounded capacitors is synthesized. Thirty-two Colpitts oscillators using CCCIIs are obtained in all. By using canonical number of components, the circuits can be easily integrated and the oscillation criterion and the oscillation frequency can be independently and electronically tuned by tuning bias currents of the CCCIIs. The paper-and-pencil analysis and Pspice simulation results have been included to support the synthesis method.展开更多
After giving six different forms of the extra X second-generation current-controlled conveyor(EXCCCII),pathological models of six EXCCCIIs are found by the nodal admittance matrix(NAM)expansion approach.Furthermore,th...After giving six different forms of the extra X second-generation current-controlled conveyor(EXCCCII),pathological models of six EXCCCIIs are found by the nodal admittance matrix(NAM)expansion approach.Furthermore,these ideal pathological circuit models are employed and 36 Wien oscillators and 8 third-order quadrature oscillators are synthesized by the NAM expansion.The hand analysis and computer analysis are introduced to prove the synthesized circuits are correct and effective.展开更多
This paper designs a current-mode Wien-bridge oscillator to use current-controlled conveyor(CCCIIs)based on the traditional Wien-bridge oscillator and the adjoint network theorem.This oscillator employs only four CCCI...This paper designs a current-mode Wien-bridge oscillator to use current-controlled conveyor(CCCIIs)based on the traditional Wien-bridge oscillator and the adjoint network theorem.This oscillator employs only four CCCIIs and two grounded capacitors.Its resonant condition and resonant frequency can be independently and electronically varied by tuning bias currents of the CCCIIs linearly.Then this oscillator is simple in design,compact in size,and convenient in adjustment.The oscillator analysis and computer simulation results have been included to support the generation method.展开更多
基金supported by the Natural Science Foundation of Shaanxi Province under Grant No.2017JM6087
文摘According to the equivalent view for the terminal current-voltage constraint relationship between pathological elements and the various second-generation current-controlled convegors （CCCIIs）, four patholo- gical models for the CCCII are first derived by means of the nodal admittance matrix expansion in this paper. Moreover, 48 new pathological models for the modified CCCII are also synthesized. The derived pathological models for the various CCCIIs are expected to be useful in circuit analysis and synthesis.
基金Supported by the Shaanxi Provincial Key Research and Development Program,China(2018NY-158)
文摘By the aid of nullor-mirror models of the second-generation current-controlled conveyor(CCCII) and applying the nodal admittance matrix(NAM) expansion method, the family of current-mode Colpitts oscillators employing four CCCIIs and three grounded capacitors is synthesized. Thirty-two Colpitts oscillators using CCCIIs are obtained in all. By using canonical number of components, the circuits can be easily integrated and the oscillation criterion and the oscillation frequency can be independently and electronically tuned by tuning bias currents of the CCCIIs. The paper-and-pencil analysis and Pspice simulation results have been included to support the synthesis method.
基金the Natural Science Foundation of Shaanxi Province(2017JM6087)。
文摘After giving six different forms of the extra X second-generation current-controlled conveyor(EXCCCII),pathological models of six EXCCCIIs are found by the nodal admittance matrix(NAM)expansion approach.Furthermore,these ideal pathological circuit models are employed and 36 Wien oscillators and 8 third-order quadrature oscillators are synthesized by the NAM expansion.The hand analysis and computer analysis are introduced to prove the synthesized circuits are correct and effective.
基金the Natural Science Foundation of Shaanxi Province(2017JM6087)。
文摘This paper designs a current-mode Wien-bridge oscillator to use current-controlled conveyor(CCCIIs)based on the traditional Wien-bridge oscillator and the adjoint network theorem.This oscillator employs only four CCCIIs and two grounded capacitors.Its resonant condition and resonant frequency can be independently and electronically varied by tuning bias currents of the CCCIIs linearly.Then this oscillator is simple in design,compact in size,and convenient in adjustment.The oscillator analysis and computer simulation results have been included to support the generation method.
