Low-voltage high-speed Schmitt trigger and compact window comparator

Pedroni, Volnei A.

doi:10.1049/el:20052799

Cited by 59 publications

(36 citation statements)

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“…Accuracy of the circuit is further tested by reducing the window size from 1 V to 50 mV ( = 0.5 V, = 0.45 V), and the result is shown in Figure 5, which confirms the assertion. Thus the circuit is good for detecting both voltage windows as small as 50 mV and as high as 1 V, a feature not exhibited in a very elegant circuit available in literature [10].…”

Section: Simulation Resultsmentioning

confidence: 93%

“…This further confirms the validity of the proposals made in the paper. Number of output levels for out-of-window signal [4,13] 2 opamps 2 Poor ±10 typical 1 [10] 4 logic gates -Poor Thus, the new current conveyor based circuits add to the already available knowledge on the design and applications of current conveyors [15].…”

Section: Discussion On Practicalitymentioning

confidence: 99%

“…It may again be emphasized that, to the best knowledge of author, window comparator circuit has not been presented yet, employing current conveyor or its variants [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16]. Table 1 lists the proposed circuits' comparisons with few available circuits for this electronic function.…”

Section: Modified Circuitmentioning

confidence: 99%

“…There is an urge to develop effective circuit designs employing current-mode active elements in form of current conveyors for realizing class of linear and nonlinear circuits [5][6][7][8][9][10][11][12]. For instance, a simple comparator has been realized using current conveyors [6].…”

Section: Introductionmentioning

confidence: 99%

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Current Conveyor Based Window Comparator Circuits

Maheshwari¹

2016

Advances in Electrical Engineering

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This paper introduces a new window comparator circuit utilizing a new current conveyor and two diodes, operable at ±1.25 V and capable of accurately detecting the voltage windows. Another modified circuit with distinct binary levels suited for automatic control applications is also suggested. Exhaustive simulation results showing detection of windows, as small as 50 mV and as high as 1 V, are included. Comparisons are further drawn with the traditional operational amplifier based circuit and the new circuit is found to benefit from the use of current-mode active element, namely, Extra-X Current Controlled Current Conveyor. The proposed theory is well supported through simulation results.

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Section: Simulation Resultsmentioning

confidence: 93%

Section: Discussion On Practicalitymentioning

confidence: 99%

Section: Modified Circuitmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Current Conveyor Based Window Comparator Circuits

Maheshwari¹

2016

Advances in Electrical Engineering

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“…Figure 3 illustrates a very simple Schmitt trigger proposed by Pedroni [17], which has turned out to be an essential part of our solution in our proposal. To verify the design of the comparator, we recommend checking it with the CMOS transmission gate switch to ensure no charge injection occurs by the transition of the comparator.…”

Section: B Comparatormentioning

confidence: 99%

Achieving rail-to-rail input operation using level-shift multiplexing technique for all CMOS op-amps

Haga

Kale

2008

2008 51st Midwest Symposium on Circuits and Systems

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Robust FinFET Schmitt Trigger Designs for Low Power Applications

Moraes¹,

Zimpeck²,

Meinhardt³

et al. 2020

IFIP Advances in Information and Communication Technology

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The IoT development alongside with the more pronounced impact of process variability in modern technology nodes, is the central reason to control variability impact. Given the broad set of IoT devices running on battery-oriented environments, energy consumption should be minimal and the operation reliable. Schmitt Trigger inverters are frequently used for noise immunity enhancement, and have been recently applied to mitigate radiation effects and variability impact. Yet, Schmitt Trigger operation at nominal voltage still introduces high deviation on power consumption. Thus, the main contribution of this work is to identify the relationship between transistor sizing, supply voltage, energy, and process variability robustness to achieve a minimal energy consumption circuit while keeping robustness. On average, scenarios with a lower supply voltage applied on layouts with a smaller number of fins, presented adequate robustness in high variability scenarios. Exploring voltage and transistor sizing made possible a reduction of about 24.84% on power consumption.

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Low-voltage high-speed Schmitt trigger and compact window comparator

Abstract: Gates with input hysteresis are often necessary in circuits operating in noisy environments. Described is a very simple CMOS Schmitt trigger circuit, well suited for low-voltage and high-speed applications. The circuit also allows the construction of a very compact window comparator.

Cited by 59 publications

References 0 publications

Current Conveyor Based Window Comparator Circuits

Current Conveyor Based Window Comparator Circuits

Achieving rail-to-rail input operation using level-shift multiplexing technique for all CMOS op-amps

Robust FinFET Schmitt Trigger Designs for Low Power Applications

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