Using the new building block Multiplication-Mode Current Conveyor (MMCC), some inverting/non-inverting type integrator and differentiator designs are presented, wherein the time constant (τ) is tuned electronically. ...Using the new building block Multiplication-Mode Current Conveyor (MMCC), some inverting/non-inverting type integrator and differentiator designs are presented, wherein the time constant (τ) is tuned electronically. The MMCC is implemented by a readily available chip-level configuration using a multiplier (ICL 8013) and a current feedback amplifier (AD-844 IC) CFA. Detailed analysis, taking into account the device non-idealities, had been carried out that indicates slight deviations affecting the values of the nominal time constant but the design is practically insensitive to the port mismatch errors (ε). Satisfactory response on wave conversion, for signal frequencies up to 600 Khz had been verified with both hardware circuit test and PSPICE macromodel simulation.展开更多
提出了一种基于多输出端口电流控制电流传输器(MOCCCII,multiple outputs current controlled conveyor)的双模式二阶通用滤波器,该滤波器结构简单,仅由5个有源器件、2个接地电容构成,无须外接电阻.该电路在不改变内部电路结构的情况下...提出了一种基于多输出端口电流控制电流传输器(MOCCCII,multiple outputs current controlled conveyor)的双模式二阶通用滤波器,该滤波器结构简单,仅由5个有源器件、2个接地电容构成,无须外接电阻.该电路在不改变内部电路结构的情况下能实现电压模式和电流模式滤波器,且每一种工作模式都能实现高通、低通、带通等多种滤波功能,因此该电路具有通用性.面向实际电路完成了PSPICE仿真,结果表明提出的电路正确有效.展开更多
提出了一种利用第二代电流传送器CC II(Second G eneration Curren t C onveyor)和多端输出电流传送器M OCC(M u ltip le O u tpu tsCurren t C onveyor)实现的高阶全极点电流模式低通滤波器。给出了系统的设计公式,并举例设计了一个五...提出了一种利用第二代电流传送器CC II(Second G eneration Curren t C onveyor)和多端输出电流传送器M OCC(M u ltip le O u tpu tsCurren t C onveyor)实现的高阶全极点电流模式低通滤波器。给出了系统的设计公式,并举例设计了一个五阶Bu tterw orth低通滤波器,通过PSP ICE仿真,得出的结论与理论分析完全吻合。此低通滤波器不仅电路结构简单,而且用的元器件数目较少。展开更多
文摘Using the new building block Multiplication-Mode Current Conveyor (MMCC), some inverting/non-inverting type integrator and differentiator designs are presented, wherein the time constant (τ) is tuned electronically. The MMCC is implemented by a readily available chip-level configuration using a multiplier (ICL 8013) and a current feedback amplifier (AD-844 IC) CFA. Detailed analysis, taking into account the device non-idealities, had been carried out that indicates slight deviations affecting the values of the nominal time constant but the design is practically insensitive to the port mismatch errors (ε). Satisfactory response on wave conversion, for signal frequencies up to 600 Khz had been verified with both hardware circuit test and PSPICE macromodel simulation.
文摘提出了一种基于多输出端口电流控制电流传输器(MOCCCII,multiple outputs current controlled conveyor)的双模式二阶通用滤波器,该滤波器结构简单,仅由5个有源器件、2个接地电容构成,无须外接电阻.该电路在不改变内部电路结构的情况下能实现电压模式和电流模式滤波器,且每一种工作模式都能实现高通、低通、带通等多种滤波功能,因此该电路具有通用性.面向实际电路完成了PSPICE仿真,结果表明提出的电路正确有效.
文摘提出了一种利用第二代电流传送器CC II(Second G eneration Curren t C onveyor)和多端输出电流传送器M OCC(M u ltip le O u tpu tsCurren t C onveyor)实现的高阶全极点电流模式低通滤波器。给出了系统的设计公式,并举例设计了一个五阶Bu tterw orth低通滤波器,通过PSP ICE仿真,得出的结论与理论分析完全吻合。此低通滤波器不仅电路结构简单,而且用的元器件数目较少。
