Analog-to-digital converters
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United States of America Patent
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app pub date -
May 22, 2017
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May 20, 2016
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An embodiment includes an analog-to-digital converter device. A device may include a first track and hold amplifier configured to receive an analog input signal. The device may also include a plurality of paths coupled to an output of the first track and hold amplifier. Each path of the plurality of paths includes a second track and hold amplifier coupled to the first track and hold amplifier, and a successive approximation register analog-to-digital converter coupled to an output of the second track and hold amplifier. The successive-approximation analog-to-digital converter may include heterojunction bipolar transistors, a comparator, R-2R DAC, and a SiGe BiCMOS quasi-CML SAR register and sequencer.
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