VOLTAGE-MODE DDCC-BASED MULTIFUNCTION FILTERS

2007 ◽  
Vol 16 (01) ◽  
pp. 93-104 ◽  
Author(s):  
HUA-PIN CHEN ◽  
KUO-HSIUNG WU
Keyword(s):  
Transfer Functions ◽  
Slight Modification ◽  
Pass Band ◽  
Current Conveyors ◽  
Pass Filter ◽  
Voltage Mode ◽  
Low Pass ◽  
Biquadratic Filter ◽  
Multifunction Filter ◽  
Passive Sensitivity

Two new voltage-mode multifunction biquadratic filter configurations were proposed. The first proposed high-input impedance multifunction filter with single input and four outputs, which can simultaneously realize voltage-mode low-pass, band-pass, and high-pass filter responses employing all grounded passive components. The second proposed configuration is a slight modification of the first proposed circuit. It leads two more notch and all-pass transfer functions than the first proposed circuit. Moreover, both the proposed circuits still offer the following advantages: (i) orthogonal control of ωo and Q, (ii) low active and passive sensitivity performances, (iii) simpler configuration due to the use of noninverting type differential difference current conveyors (DDCCs) only.

HIGH INPUT IMPEDANCE VOLTAGE-MODE UNIVERSAL FILTER AND QUADRATURE OSCILLATOR

2010 ◽  
Vol 19 (07) ◽  
pp. 1597-1607 ◽  
Author(s):  
SUDHANSHU MAHESHWARI ◽  
JITENDRA MOHAN ◽  
DURG SINGH CHAUHAN
Keyword(s):  
Input Impedance ◽  
Pass Band ◽  
High Input ◽  
High Input Impedance ◽  
Pass Filter ◽  
Quadrature Oscillator ◽  
Voltage Mode ◽  
Low Pass ◽  
Biquadratic Filter ◽  
Filter Signal

A new single input and five outputs high input impedance voltage-mode universal biquadratic filter using three DVCCs, five passive components is presented. The proposed circuit offers the following features: high input impedance, realization of all the standard filter functions, that is, high-pass, band-pass, low-pass, band reject and all-pass filters simultaneously, the use of grounded capacitor, orthogonal control of ω0 and Q, no need to employ inverting type input signals, and no need to impose component choice except realizing the all-pass filter signal. A new quadrature oscillator circuit is also realized. PSPICE simulations using 0.35 μm TSMC CMOS parameters confirm the validity of the proposed circuit.

VERSATILE VOLTAGE-MODE DDCC-BASED UNIVERSAL FILTER

2011 ◽  
Vol 20 (04) ◽  
pp. 681-696 ◽  
Author(s):  
HUA-PIN CHEN
Keyword(s):  
Angular Frequency ◽  
Pass Band ◽  
Current Conveyors ◽  
Voltage Mode ◽  
Input Signals ◽  
Low Pass ◽  
Single Input ◽  
Band Pass ◽  
Passive Sensitivity ◽  
Quality Factor Q

A novel versatile three-input five-output universal voltage-mode filter employing two differential difference current conveyors, two grounded capacitors and three resistors is proposed. The proposed configuration can be used as either a single-input five-output or three-input two-output. Unlike the previously reported works, it can simultaneously realize five different generic signals: low-pass, band-pass, high-pass, notch and all-pass. Moreover, the proposed circuit still offers the following advantages: (i) the employment of two grounded capacitors, (ii) no need to employ inverting-type input signals, (iii) no need to impose component choice, (iv) orthogonal control of the resonance angular frequency ωo and the quality factor Q and (v) low active and passive sensitivity performances.

scholarly journals High-Input Impedance Voltage-Mode Multifunction Filter with Four Grounded Components and Only Two Plus-Type DDCCs

2010 ◽  
Vol 2010 ◽  
pp. 1-5 ◽  
Author(s):  
Hua-Pin Chen
Keyword(s):  
Input Impedance ◽  
Current Conveyors ◽  
High Input ◽  
High Input Impedance ◽  
Voltage Mode ◽  
Biquadratic Filter ◽  
Multifunction Filter ◽  
Component Matching ◽  
Single Input ◽  
Passive Sensitivity

This paper introduces a novel voltage-mode multifunction biquadratic filter with single input and four outputs using two plus-type differential difference current conveyors (DDCCs) and four grounded passive components. The filter can realize inverting highpass, inverting bandpass, noninverting lowpass, and noninverting bandpass filter responses, simultaneously. It still maintains the following advantages: (i) using grounded capacitors attractive for integration and absorbing shunt parasitic capacitance, (ii) using grounded resistors at allXterminals of DDCCs suitable for the variations of filter parameters and absorbing series parasitic resistances at allXterminals of DDCCs, (iii) high-input impedance good for cascadability, (iv) no need to change the filter topology, (v) no need to component-matching conditions, (vi) low active and passive sensitivity performances, and (vii) simpler configuration due to the use of plus-type DDCCs only. HSPICE and MATLAB simulations results are provided to demonstrate the theoretical analysis.

Second-Order Voltage-Mode Universal Filters Using Two DVCCs, Two Grounded Capacitors and Four Resistors

2016 ◽  
Vol 25 (12) ◽  
pp. 1650154 ◽  
Author(s):  
Ahmet Abaci ◽  
Erkan Yuce
Keyword(s):  
Integrated Circuit ◽  
Matching Condition ◽  
Second Order ◽  
Point Of View ◽  
Pass Band ◽  
Current Conveyors ◽  
Voltage Mode ◽  
Low Pass ◽  
Band Pass ◽  
High Pass

In this paper, two new second-order voltage-mode universal filters are proposed. Both of the proposed filters use only two differential voltage current conveyors (DVCCs), four resistors and two grounded capacitors which are advantageous from integrated circuit technology point of view. They can simultaneously provide second-order low-pass, high-pass, band-pass, notch and all-pass responses. They offer orthogonal control of angular resonance frequency and quality factor. However, they have a single matching condition for only all-pass responses. A number of simulations based on SPICE program are accomplished in order to demonstrate the performance of both filters.

scholarly journals A New MISO-Type Voltage-Mode Universal Biquad Using Single VD-DIBA

2013 ◽  
Vol 2013 ◽  
pp. 1-5 ◽  
Author(s):  
K. L. Pushkar ◽  
D. R. Bhaskar ◽  
Dinesh Prasad
Keyword(s):  
Matching Condition ◽  
Angular Frequency ◽  
Pass Band ◽  
Passive Component ◽  
Active Device ◽  
Pass Filter ◽  
Voltage Mode ◽  
Single Output ◽  
Biquadratic Filter ◽  
Filter Configuration

A new multiple-input single-output-(MISO-)-type multifunction voltage-mode universal biquadratic filter employing single voltage differencing differential input buffered amplifier (VD-DIBA), two capacitors, and one resistor are proposed. The proposed structure can realize second-order low pass, high pass, band pass, band stop, and all pass filter responses without altering the circuit topology. The proposed new filter configuration also provides the following advantageous features, not available simultaneously in any of the single active device /element-based universal biquad in realizing all the five filter functions known earlier so far: (i) no requirement of any passive component(s) matching condition or inversion of input signal(s), (ii) independent electronic control of angular frequency () and bandwidth (BW), and (iii) low active and passive sensitivities. SPICE simulation results have been included using 0.35 µm TSMC technology to confirm the validity of the proposed new universal biquadratic filter configuration.

scholarly journals Voltage Mode Universal Biquad Using CCCII

2011 ◽  
Vol 2011 ◽  
pp. 1-5 ◽  
Author(s):  
Ashish Ranjan ◽  
Sajal K. Paul
Keyword(s):  
Pass Band ◽  
Current Conveyors ◽  
Ic Design ◽  
Passive Components ◽  
Voltage Mode ◽  
Single Output ◽  
Low Pass ◽  
Minimum Number ◽  
Band Pass ◽  
Low Sensitivity

This paper proposes a multi-input single-output (MISO) second-order active-C voltage mode (VM) universal filter using two second-generation current-controlled current conveyors (CCCIIs) and two equal-valued capacitors. The proposed circuit realizes low pass, band pass, high pass, all pass, and notch responses from the same topology. The filter uses-minimum number of passive components and no resistor which is suitable for IC Design. The filter enjoys low-sensitivity performance and exhibits electronic and orthogonal tunability of pole frequency () and quality factor () via bias current of CCCIIs. PSPICE simulation results confirm the theory.

scholarly journals Programmable Voltage-Mode Multifunction Filter Using Two Current Conveyors and One Operational Transconductance Amplifier

1996 ◽  
Vol 19 (3) ◽  
pp. 133-138 ◽  
Author(s):  
Muhammad Taher Abuelma'atti ◽  
Azhar Quddus
Keyword(s):  
Low Temperature ◽  
Active Filter ◽  
Current Conveyors ◽  
Operational Transconductance Amplifier ◽  
Voltage Mode ◽  
Transconductance Amplifier ◽  
Biquadratic Filter ◽  
Multifunction Filter ◽  
Single Input

A new voltage-mode active-filter with single input and three outputs is presented. The parameters of the proposed filter are programmable and the filter uses grounded capacitors. The proposed circuit can simultaneously realize lowpass, highpass, and bandpass biquadratic filter functions and enjoys low temperature sensitivities.

A New DVCC+ Based Second-Order Current-Mode Universal Filter Consisting of Only Grounded Capacitors

2017 ◽  
Vol 26 (09) ◽  
pp. 1750130 ◽  
Author(s):  
Ahmet Abaci ◽  
Erkan Yuce
Keyword(s):  
Notch Filter ◽  
Current Mode ◽  
Second Order ◽  
Pass Band ◽  
Current Conveyors ◽  
Universal Filter ◽  
Pass Filter ◽  
Low Pass ◽  
Band Pass ◽  
High Output Impedance

In this paper, a new second-order current-mode universal filter using only two plus-type differential voltage current conveyors, three resistors and two grounded capacitors is proposed. The proposed circuit with two identical inputs and three outputs can simultaneously provide second-order high output impedance low-pass, band-pass and notch filter responses. Also, it can realize high-pass and all-pass filter responses with interconnection of relevant output currents. It can be easily tuned electronically. It can be operated properly at high frequencies. A number of simulations based on SPICE program and an experimental test are achieved in order to demonstrate the performance of the proposed filter.

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