NOVEL FLOATING INDUCTANCE AND FDNR SIMULATORS EMPLOYING CCII+s

2006 ◽  
Vol 15 (01) ◽  
pp. 75-81 ◽  
Author(s):  
ERKAN YUCE ◽  
OGUZHAN CICEKOGLU ◽  
SHAHRAM MINAEI
Keyword(s):  
Second Generation ◽  
Negative Resistance ◽  
Current Conveyors ◽  
Passive Element ◽  
Frequency Dependent ◽  
Active Elements ◽  
Floating Inductance ◽  
Low Pass ◽  
Electronically Tunable ◽  
Element Selection

In this paper, a floating inductance and frequency-dependent negative resistance (FDNR) depending on the passive element selection is presented. The proposed circuit employs only plus-type second-generation current conveyors (CCII+s) as active elements, together with two resistors and two capacitors for realizing floating inductance and FDNR. Both of the capacitors in the floating inductance realization are grounded. Also, electronically tunable floating FDNR is obtained with the proposed circuit. The nonideality effects of the current conveyors on the proposed circuit are given. The proposed circuit is used in a low-pass ladder filter, and simulated with SPICE to exhibit its performance.

scholarly journals Ultra-Low Power CMOS Readout for Resonant MEMS Strain Sensors

Proceedings ◽  
2018 ◽  
Vol 2 (13) ◽  
pp. 973
Author(s):  
Marco Crescentini ◽  
Cinzia Tamburini ◽  
Luca Belsito ◽  
Aldo Romani ◽  
Alberto Roncaglia ◽  
...  
Keyword(s):  
Low Power ◽  
Power Supply ◽  
First Generation ◽  
Negative Resistance ◽  
Low Noise ◽  
Strain Sensors ◽  
Current Conveyors ◽  
Ultra Low Power ◽  
Active Elements ◽  
Low Power Cmos

This paper presents an ultra-low power, silicon-integrated readout for resonant MEMS strain sensors. The analogue readout implements a negative-resistance amplifier based on first-generation current conveyors (CCI) that, thanks to the reduced number of active elements, targets both low-power and low-noise. A prototype of the circuit was implemented in a 0.18-µm technology occupying less than 0.4 mm2 and consuming only 9 µA from the 1.8-V power supply. The prototype was earliest tested by connecting it to a resonant MEMS strain resonator.

scholarly journals Active-Only Sinusoidal Oscillator with Electronically-Tunable Fully-Uncoupled Frequency and Condition of Oscillation

2001 ◽  
Vol 24 (4) ◽  
pp. 233-241 ◽  
Author(s):  
Muhammad Taher Abuelmaatti
Keyword(s):  
Second Generation ◽  
Operational Amplifiers ◽  
Current Conveyors ◽  
Oscillator Circuit ◽  
Operational Transconductance Amplifiers ◽  
Sinusoidal Oscillator ◽  
Condition Of Oscillation ◽  
Transconductance Amplifiers ◽  
Electronically Tunable

A new active-only sinusoidal oscillator is presented. The oscillator circuit uses two internally compensated operational amplifiers, two plus-type second-generation current conveyors and three operational transconductance amplifiers. The proposed circuit enjoys the attractive features of totally uncoupled frequency and condition of oscillation, low sensitivities, electronic tunability and integratability.

A First-Order Fully Cascadable Current-Mode Universal Filter Composed of Dual Output CCIIs and a Grounded Capacitor

2016 ◽  
Vol 25 (05) ◽  
pp. 1650042 ◽  
Author(s):  
Erkan Yuce ◽  
Shahram Minaei
Keyword(s):  
Second Generation ◽  
Current Mode ◽  
Passive Component ◽  
Current Conveyors ◽  
Universal Filter ◽  
First Order ◽  
Low Pass ◽  
In Series ◽  
Component Matching ◽  
High Pass

In this paper, a new first-order current-mode (CM) universal filter employing two dual output second-generation current conveyors (DO-CCIIs), one resistor and a grounded capacitor is proposed. The proposed filter has low input and high output impedances; thus, it can be easily connected with other CM circuits. It can simultaneously realize first-order low-pass (LP) and all-pass (AP) responses and can provide high-pass (HP) response with interconnection of LP and AP responses. It can be tuned electronically by replacing with dual output second-generation current controlled conveyors (DO-CCCIIs) instead of DO-CCIIs and removing the resistor. It has only a resistor but no capacitor connected in series to X terminal of DO-CCII; accordingly, it can be operated at high frequencies. Also, it does not need any critical passive component matching conditions and cancellation constraints. A number of simulation results based on SPICE program are included to exhibit performance, workability and effectiveness of the proposed filter configuration.

A New Floating Memristance Simulator Circuit Based on Second Generation Current Conveyor

2016 ◽  
Vol 26 (02) ◽  
pp. 1750029 ◽  
Author(s):  
Zehra Gulru Cam ◽  
Herman Sedef
Keyword(s):  
Hysteresis Loop ◽  
Second Generation ◽  
Current Conveyor ◽  
Experimental Results ◽  
Current Conveyors ◽  
Frequency Range ◽  
Passive Element ◽  
Exciting Frequency ◽  
Pinched Hysteresis Loop ◽  
Pinched Hysteresis

In this paper, a new floating analog memristance simulator circuit based on second generation current conveyors and passive elements is proposed. Theoretical derivations are presented which decribe the circuit characteristics. The hardware of proposed simulator circuit is built using commercially available components. Theoretical derivations are validated with PSPICE simulation and experimental results. Performance of circuit was tested with simple example circuits. All results show that proposed simulator circuit provides frequency dependent pinched hysteresis loop and nonvolatility features. Exciting frequency, minimum and maximum memristance values and memristance range can be adjustable with simple passive element values. Simulator circuit has a frequency range of 1[Formula: see text]Hz to 40[Formula: see text]kHz.

scholarly journals Floating Inductance and FDNR Using Positive Polarity Current Conveyors

2004 ◽  
Vol 27 (2) ◽  
pp. 81-83 ◽  
Author(s):  
K. Pal
Keyword(s):  
Second Generation ◽  
Current Conveyors ◽  
Positive Polarity ◽  
Floating Inductance

A generalized circuit based on five positive polarity second-generation current conveyors is introduced. The circuit simulates a floating inductance, capacitor floatation circuit and floating fdnr. All these circuits use grounded capacitors.

A TUNABLE CIRCUIT FOR REALIZING ARBITRARY FLOATING IMPEDANCES

2008 ◽  
Vol 17 (03) ◽  
pp. 513-524 ◽  
Author(s):  
SHAHRAM MINAEI ◽  
ERKAN YUCE
Keyword(s):  
Second Generation ◽  
Experimental Results ◽  
Applied Bias ◽  
Spice Simulation ◽  
Passive Element ◽  
Active Elements ◽  
Tunable Circuit

In this paper, an active-C circuit for realizing lossless floating inductor (FI) or series/parallel R–L impedances depending on the externally applied bias currents, is presented. The proposed simulator circuit employs only three plus-type second-generation current controlled conveyors (CCCII+s) as active elements and a single capacitor as passive element. SPICE simulation and experimental results are given to verify the theory.

scholarly journals Electronically Tunable First Order AP/LP and LP/HP Filter Topologies Using Electronically Controllable Second Generation Voltage Conveyor (CVCII)

Electronics ◽  
2021 ◽  
Vol 10 (7) ◽  
pp. 822
Author(s):  
Gianluca Barile ◽  
Leila Safari ◽  
Leonardo Pantoli ◽  
Vincenzo Stornelli ◽  
Giuseppe Ferri
Keyword(s):  
Second Generation ◽  
Harmonic Distortion ◽  
Matching Condition ◽  
Cmos Technology ◽  
Control Voltage ◽  
First Order ◽  
Low Pass ◽  
Floating Capacitor ◽  
Electronically Tunable ◽  
Electronically Controllable

In this paper two new first order filter topologies realizing low-pass/all-pass (LP/AP) and low-pass/high-pass (LP/HP) outputs using electronically controllable second generation voltage conveyors (CVCIIs) are presented. Unlike second generation voltage conveyors (VCII), in CVCII each performance parameter, including ports, parasitic impedances, current and/or voltage gains can be electronically varied. Here, in particular, the proposed filter topologies are based on two CVCIIs, one resistor and one capacitor. In the first topology VLP/IAP/VAP and in the second topology ILP/VLP/IHP/VHP outputs are achievable, respectively. However, the current and voltage outputs are not achievable simultaneously and a floating capacitor is used. A control current (Icon) is used to change the first CVCII Y port impedance, which sets the filter −3 dB frequency (F0) of all the outputs. Moreover, in the second topology, the gains of HP and AP outputs are electronically adjusted by means of a control voltage (Vcon). Favorably, no restricting matching condition is necessary. PSpice simulations using 0.18 µm CMOS technology and supply voltages of ±0.9V show that by changing Icon from 0.5 µA to 50 µA, F0 is varied from 89 kHz to 1 MHz. Similarly, for a Vcon variation from −0.9 V to 0.185 V, the gains of IAP and IHP vary from 30 dB to 0 dB and those of VAP and VHP vary from 100 dB to 20 dB. The total harmonic distortion (THD) is about 8%. The power consumption is from 0.385 mW to 1.057 mW.

scholarly journals Voltage-Mode Multifunction Biquadratic Filter with One Input and Six Outputs Using Two ICCIIs

2014 ◽  
Vol 2014 ◽  
pp. 1-7 ◽  
Author(s):  
Hua-Pin Chen
Keyword(s):  
Theoretical Analysis ◽  
Second Generation ◽  
Current Conveyors ◽  
Matching Conditions ◽  
Voltage Mode ◽  
Low Pass ◽  
Biquadratic Filter ◽  
Component Matching ◽  
High Pass

A novel voltage-mode multifunction biquadratic filter with one input and six outputs is presented. The proposed circuit can realize inverting and noninverting low-pass, bandpass, and high-pass filters, simultaneously, by using two inverting second-generation current conveyors (ICCIIs), two grounded capacitors, and four resistors. Moreover, the proposed circuit offers the following attractive advantages: no requirements for component matching conditions, the use of only grounded capacitors, and low active and passive sensitivities. HSPICE and MATLAB simulations results are provided to demonstrate the theoretical analysis.

A DVCC-Based Current-Mode First-Order Universal Filter

2021 ◽  
pp. 2150305
Author(s):  
Firat Yucel
Keyword(s):  
Integrated Circuit ◽  
Current Mode ◽  
Current Conveyors ◽  
Circuit Realization ◽  
Passive Element ◽  
Pass Filter ◽  
Typical Application ◽  
First Order ◽  
Low Pass ◽  
High Output Impedance

A current-mode first-order filter configuration simultaneously providing noninverting and inverting low-pass (LP) and high-pass (HP) responses depending on passive element choice is proposed. In addition, all-pass filter (APF) responses can be easily obtained with interconnection of LP and HP output currents. The proposed filter employs only two differential voltage current conveyors, a grounded resistor and a grounded capacitor, so it is suitable for integrated circuit realization. It provides the feature of high output impedance. It does not need any passive element matching constraints. A voltage-mode oscillator based on the inverting APF is presented as a typical application. The performance of the proposed configuration is verified through many SPICE simulation and experimental test results.

Sign in / Sign up

Export Citation Format

Share Document