A 1.8V CMOS fourth-order GM-C bandpass Sigma-Delta modulator dedicated to front-end ultrasonic receivers
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2006 ◽
Vol 48
(2)
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pp. 121-132
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2013 ◽
Vol 380-384
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pp. 3580-3583
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1998 ◽
Vol 45
(5)
◽
pp. 547-555
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