CDBA-Based Synthetic Floating Inductance Circuits with Electronic Tuning Properties

Keskïn, Ali; Hancioglu, Erhan

doi:10.4218/etrij.05.0204.0055

Cited by 67 publications

(27 citation statements)

References 19 publications

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“…8 show that the circuit has a zero point at 620 Hz and a double-pole point at 4.6 MHz, which are determined by R s and C sim , respectively. This is in accordance with the theo- To compare with the similar structures proposed recently [1,3,7,9], Table 2 is compiled, in which the area is calculated by only taking capacitor into account, as it consumes most of the chip area. It is assumed that 1 fF capacitance takes 1 µm 2 of chip area.…”

Section: Simulation Results and Analysissupporting

confidence: 64%

“…Meanwhile, for the same or comparable inductance value, its operational frequency bandwidth is much wider (e.g., for 1.0 H inductor, Type 1 of this work and Ref. [9] have a bandwidth of 868.2 Hz and 10 kHz, respectively). However, the proposed structure does not operate at as low frequency as others do (e.g., Type 3 of this work and Ref.…”

Section: Simulation Results and Analysismentioning

confidence: 88%

“…There have been a number of attempts to develop inductor simulators, which can perform the analog function of inductance [1][2][3][4][5][6][7][8][9][10][11][12]. The most commonly used structures of these inductor simulators are composed of multiple passive components and complicated operational modules such as current conveyor (CC) [2][3][4][5], current feedback operational amplifier (CFOA) [6], operational trans-conductance amplifier (OTA) [7], current backward trans-conductance amplifier (CBTA) [8] and current differencing buffered amplifier (CDBA) [9]. This is because that they attempt to achieve functional flexibility, i.e., to be reconfigured to form other circuit functions such as frequency dependent negative resistor (FDNR), while aiming at low-frequency applications.…”

Section: Introductionmentioning

confidence: 99%

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An improved CMOS-based inductor simulator with simplified structure for low-frequency applications

Zhong

Lai

et al. 2016

J Comput Electron

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In this paper, an improved inductor simulator structure is presented, which can be configured as either grounded or floating inductor simulator with low component count. To achieve simplified structure, inductor simulator circuits are designed using a minimal number of transistors and small capacitance, rather than the complex components/modules such as current convey and operational trans-conductance amplifier which are traditionally used. The simulation results based on 0.5 µm CMOS process parameters show that the proposed structure is able to produce a broad range of inductance values and compared to other similar structures, it provides wider operational frequency bandwidth for the same or comparable inductance value. Furthermore, the structure can be implemented with much smaller chip area using a small capacitance in the circuit, but at the price that it has a higher minimum operational frequency compared to other structures.

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Section: Simulation Results and Analysissupporting

confidence: 64%

Section: Simulation Results and Analysismentioning

confidence: 88%

Section: Introductionmentioning

confidence: 99%

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An improved CMOS-based inductor simulator with simplified structure for low-frequency applications

Zhong

Lai

et al. 2016

J Comput Electron

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“…Therefore, it is advantageous to implement CM active elements in continuous time filter circuits. A new CM active element, the current differencing buffered amplifier (CDBA) has received considerable interest in recent years [3][4][5][6][7][8][9][10][11][12][13][14][15][16][17]. It has been proven that the CDBA is a versatile active building block particularly for current mode signal processing applications.…”

Section: Conventionalmentioning

confidence: 99%

Voltage Mode All pass Biquads Using Current Differencing Buffered Amplifiers CDBA

Umit¹,

Deniz²

2017

Fifth International Conference on Advances in Computing, Communication and Information Technology - CCIT 2017

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“…Several methods for realization of the floating inductance simulation have been reported [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16]]. An approach is based on second generation of current conveyors (CCCIIs), current differing buffer amplifiers (CDBAs), current feedback amplifiers (CFAs) [1,5,6,15].…”

Section: Introductionmentioning

confidence: 99%

Comparative Study of Simulated Floating Inductances Using Ota in Low Pass Filter

Katageri¹

2014

IOSRJEN

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-Several methods of realization of floating inductance with current conveyors, current feedback amplifier has been reported. The methods for the realization of inductance simulation with electronically tunable properties using current controlled conveyors required well matching of transistors. These devices have limited performance due to component matching. Simulation of inductance is also obtained from second generation current conveyors with excessive number of components. The simulated inductance is varied through passive elements and the approach is based on the use of current differencing buffer amplifier realized with CMOS technology and is unavailable in integrated form. Operational transconductance amplifier has an attractive feature of transconductance gain which is linearly controlled over more than 4 decades from the bias current. The OTA is a commercial low cost device and also easy to implement in monolithic integrated form. The realization of floating inductance simulation is more attractive. A commercial OTA with least number of active and passive elements exhibit an attractive method to simulate a floating inductance. A review on floating inductance using number of OTAs with resistor and single capacitor is reported in terms of searching for the best method of simulating the floating inductance in the design of low pass filter.

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CDBA-Based Synthetic Floating Inductance Circuits with Electronic Tuning Properties

Abstract: This paper introduces two different current differencing buffered amplifier (CDBA)‐based synthetic floating inductance circuits. Both configurations use a grounded capacitor. They are fully integrable and provide the advantages of electronic tuning.

Cited by 67 publications

References 19 publications

An improved CMOS-based inductor simulator with simplified structure for low-frequency applications

An improved CMOS-based inductor simulator with simplified structure for low-frequency applications

Voltage Mode All pass Biquads Using Current Differencing Buffered Amplifiers CDBA

Comparative Study of Simulated Floating Inductances Using Ota in Low Pass Filter

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