NDLI: Continuous-time four-quadrant modulator with inherent PVT cancellation

Content Provider	IET Digital Library
Author	Tamimi, K. Al Thiyagarajan, P. Sankary, K. El
Abstract	A continuous-time four-quadrant multiplier in subthreshold region is presented. Besides its simplicity, the structure features inherent process–voltage–temperature (PVT) variation cancellation while working under low voltage supply and dissipating an ultra-low power. The PVT variation was alleviated through an inherent log/anti-log cancellation technique, making it as a good candidate for bio-potential acquisition systems. The input and output signals are currents resulting in a wider bandwidth and larger dynamic range compared with the voltage-mode counterparts. The circuit is versatile and can be configured as a modulator, frequency doubler, and linear variable gain amplifier as shown in theory and simulation results.
Starting Page	807
Ending Page	808
Page Count	2
ISSN	00135194
Volume Number	52
e-ISSN	1350911X
Issue Number	Issue 10, May (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/52/10
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2016.0347
Journal	Electronics Letters
Publisher Date	2016-04-19
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Analogue Circuit Anti-log Cancellation Technique Bio-potential Acquisition System Continuous-time Four-quadrant Modulator Continuous-time Four-quadrant Multiplier Demodulator Discriminators And Mixers Frequency Doubler Input-output Signal Linear Variable Gain Amplifier Low Power Electronics Low Voltage Supply Modulator Process-voltage-temperature Variation Cancellation PVT Cancellation Subthreshold Region Ultra-low Power Dissipation Voltage Multipliers
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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