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Differential Voltage (ΔV) Comparator with Variable Channel-Size MOSFET
Yasuhiro KOSASAYAMA Yutaka ARIMA Masashi UENO Masafumi KIMATA Kana HIMEI Tanemasa ASANO
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/02/01
Print ISSN: 0916-8508
Type of Manuscript: Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
VS-MOS, VT-INV, variable, channel-size, comparator,
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This paper describes the operation and the test results of a novel comparator, called a differential voltage (ΔV) comparator, which detects the difference between two input signal voltages. This comparator utilizes variable threshold voltage inverters (VT-INVs) which can change a logic threshold continuously using a variable channel size MOSFETs (VS-MOSs). The circuit configuration is very simple, and has the potential to achieve high integration and low power consumption in mixed signal system LSIs.