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This paper proposes a realization of an electronically tunable voltage-mode phase shifter section using a single voltage differencing buffered amplifier (VDBA) as an active component, together with one floating capacitor and one grounded resistor as passive components. The proposed circuit is efficient of providing an electronic control of the natural angular frequency (fflb) through the transconductance...
In this paper a voltage mode all pass filter has been presented. This filter uses only two resistors as passive components and one Differential Voltage Current Conveyor and an operational amplifier as active components. The pole of operational amplifier is used to realize the all pass transfer function. The introduction of operational amplifier pole eliminates the need of capacitor from the circuit,...
This paper presents a new three-input one-output voltage-mode universal biquadratic filter with high input and low output impedances. The circuit uses three plus-type differential voltage current conveyors (DVCCs), two grounded capacitors and two resistors and offers the following features: realization of all the standard filter functions, that is, highpass, bandpass, lowpass, notch, and allpass filters,...
An analog second order current-mode filter is described in this paper. The proposed filter uses only a single active building block, namely current following cascaded transconductance amplifier with two grounded capacitors which is attractive for monolithic chip implementation. The circuit has four inputs and single output currents. Five standard functions, namely low-pass, high-pass, band-pass, band-reject...
This paper presents a new electronically tunable voltage-mode universal filter with four-input one-output using six single-ended operational transconductance amplifiers, two grounded capacitors and two MOS resistors. The proposed circuit can realize of lowpass, bandpass, highpass, bandstop and allpass filters, without component-matching conditions and inverting input signals requirements. The natural...
In this paper, a voltage-mode universal biquadratic filter with high input impedance is presented. The proposed circuit has three input terminals and uses three differential voltage current conveyors (DVCCs), two grounded capacitors and two resistors. It can realize all the standard filter functions that are highpass, bandpass, lowpass, notch, and allpass filters by the adjustments of input voltage...
The paper presents a new concept of bandpass filters based on ½ wavelength resonators short-circuited and loaded at their middle by a series capacitor. The advantage of this type of resonator is the compactness and the possibility of achieving tunable filters. Simulation results for a hybrid technology (PCB-Surface Mount Components) to validate the concept show that miniaturization can reach a factor...
A new current-controlled current-mode universal filter with three inputs and single output employing two translinear current conveyor and two grounded capacitors is presented. The proposed circuit provides low-pass, band-pass, high-pass, bandstop and all-pass current responses from the same configuration at a high impedance terminal. The filter also offers independent electronic control of the natural...
In this paper, the analysis and design of single-to-balanced combline bandpass filter are presented. The cross-coupled effect is introduced to create two transmission zeros that can be located independently in either the upper or lower stopband. Notably, the effect of nonadjacent line coupling on the filter response is properly addressed, and an efficient way to compensate it is proposed. Also, the...
A new three inputs and single output voltage-mode universal biquadratic filter using only three plus-type differential difference current conveyors, two grounded capacitors and two grounded resistors is presented. The proposed circuit provides highpass, bandpass, lowpass, bandstop, and allpass voltage filters at high-input and low-output impedance, which enable easy cascadability of the circuit. No...
A new current-mode current-controlled single-input multiple-output universal filter, which employing only three translinear current conveyors and two grounded capacitors. The proposed configuration provides lowpass, bandpass, highpass, bandstop and allpass current responses at a high output impedance terminal, which enable easy cascadability of the circuit. The circuit parameters natural frequency...
A high input impedance electronically tunable voltage-mode biquadratic filter with single input and three outputs using four simple CMOS operational transconductance amplifiers and two grounded capacitors is proposed. The proposed filter provides low-pass, band-pass and high-pass voltage responses at a high input impedance terminal, which enables easy cascadability of the voltage circuit. Also, the...
In this paper, a new single input and five outputs voltage-mode universal biquadratic filter with high-input impedance is presented. The proposed circuit employs three plus-type differential difference current conveyors, two grounded capacitors and three resistors and offers the following features: realization of all the standard filter functions, that is, high-pass, band-pass, low-pass, notch, and...
A transadmittance mode universal filter based on multiple output current controlled conveyors (MO-CCCII) is presented. It employs three MO-CCCIIs and two grounded capacitors and provides all standard filter responses namely low pass, high pass, band pass, notch and all pass at high output impedance. The filter enjoys low sensitivity performance and low component spread; and exhibits electronic and...
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