scholarly journals Novel CCI-OTA-Based Grounded Capacitor Current-Mode Biquadratic Bandpass and Lowpass Filters

1994 ◽  
Vol 16 (2) ◽  
pp. 127-133
Author(s):  
Muhammad Taher Abuelma'atti
Keyword(s):  
First Generation ◽  
Current Mode ◽  
Active Filter ◽  
Current Conveyor ◽  
Lowpass Filter ◽  
Operational Transconductance Amplifier ◽  
Transconductance Amplifier

A novel current-mode active filter topology using a first generation current conveyor (CCI) and an operational transconductance amplifier (OTA) is presented. Using this topology, grounded-capacitor biquadratic bandpass and lowpass filter sections, with at most five one-port passive elements, are realized. In these realizations, the parameterω0can be adjusted without disturbing the parameterω0/ Q0

scholarly journals Current-Mode Grounded-Capacitor Single-Element-Controlled Bandpass and Lowpass Filters

1995 ◽  
Vol 17 (4) ◽  
pp. 233-237
Author(s):  
Muhammad Taher Abuelma'atti
Keyword(s):  
First Generation ◽  
Current Mode ◽  
Second Order ◽  
Current Conveyor ◽  
Single Element ◽  
Transconductance Amplifier ◽  
Sinusoidal Oscillator

New circuit configurations for realizing bandpass and iowpass current-mode second-order filters are proposed. Each configuration uses a single first-generation current conveyor, a transconductance amplifier, three grounded capacitors, and two resistors at most. The parametersω0andω0/Q0of the bandpass and lowpass realizations are not interdependent and, therefore, single element control of the bandpass and lowpass characteristics is possible. Also, the feasibility of realizing a single element current-controlled sinusoidal oscillator is considered.

scholarly journals Current Controlled Differential Difference Current Conveyor Transconductance Amplifier and Its Application as Wave Active Filter

2013 ◽  
Vol 2013 ◽  
pp. 1-11 ◽  
Author(s):  
Neeta Pandey ◽  
Praveen Kumar ◽  
Jaya Choudhary
Keyword(s):  
Signal Processing ◽  
Cutoff Frequency ◽  
Cmos Technology ◽  
Bias Current ◽  
Active Filter ◽  
Current Conveyor ◽  
Third Order ◽  
Transconductance Amplifier ◽  
Wave Filter ◽  
Order Butterworth Filter

This paper proposes current controlled differential difference current conveyor transconductance amplifier (CCDDCCTA), a new active building block for analog signal processing. The functionality of the proposed block is verified via SPICE simulations using 0.25 μm TSMC CMOS technology parameters. The usefulness of the proposed element is demonstrated through an application, namely, wave filter. The CCDDCCTA-based wave equivalents are developed which use grounded capacitors and do not employ any resistors. The flexibility of terminal characteristics is utilized to suggest an alternate wave equivalents realization scheme which results in compact realization of wave filter. The feasibility of CCDDCCTA-based wave active filter is confirmed through simulation of a third-order Butterworth filter. The filter cutoff frequency can be tuned electronically via bias current.

Applications of a first-generation current conveyor in current-mode circuits

1990 ◽  
Vol 26 (18) ◽  
pp. 1456 ◽  
Author(s):  
P. Aronhime ◽  
D. Nelson ◽  
C. Adams
Keyword(s):  
First Generation ◽  
Current Mode ◽  
Current Conveyor ◽  
Current Mode Circuits

scholarly journals VM and CM Universal Filters Based on Single DVCCTA

2011 ◽  
Vol 2011 ◽  
pp. 1-7 ◽  
Author(s):  
Neeta Pandey ◽  
Sajal K. Paul
Keyword(s):  
Building Block ◽  
Current Mode ◽  
Cmos Technology ◽  
Current Conveyor ◽  
Spice Simulation ◽  
Transconductance Amplifier ◽  
Low Sensitivity ◽  
Differential Voltage Current Conveyor ◽  
A Current ◽  
Sensitivity Performance

A universal voltage-mode filter (VM) and a current-mode filter (CM) based on recently proposed active building block, namely, differential voltage current conveyor transconductance amplifier (DVCCTA) are proposed. Both the circuits use a single DVCCTA, two capacitors, and a single resistor. The filters enjoy low-sensitivity performance and low component spread and exhibit electronic tunability of filter parameters via bias currents of DVCCTA. SPICE simulation using 0.25 μm TSMC CMOS technology parameters is included to show the workability of the proposed circuits.

scholarly journals Differential Difference Current Conveyor Transconductance Amplifier: A New Analog Building Block for Signal Processing

2011 ◽  
Vol 2011 ◽  
pp. 1-10 ◽  
Author(s):  
Neeta Pandey ◽  
Sajal K. Paul
Keyword(s):  
Signal Processing ◽  
Building Block ◽  
Current Mode ◽  
Cmos Technology ◽  
Current Conveyor ◽  
Pspice Simulations ◽  
Transconductance Amplifier ◽  
Multifunction Filter ◽  
And Performance ◽  
A Current

A new active building block for analog signal processing, namely, differential difference current conveyor transconductance amplifier (DDCCTA), is presented, and performance is checked through PSPICE simulations which show the usability of the proposed element is up to 201 MHz. The proposed block is implemented using 0.25 μm TSMC CMOS technology. Some of the applications are presented using the proposed DDCCTA, namely, a voltage mode multifunction filter, a current mode universal filter, an oscillator, current and voltage amplifiers, and grounded inductor simulator. The feasibility of DDCCTA and its applications is confirmed via PSPICE simulations.

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