High-resolution broadband ADC
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United States of America Patent
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Issued Date -
Jan 31, 2008
app pub date -
Jul 28, 2006
filing date -
Jul 28, 2006
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Abandoned
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Abstract
An analog-to-digital converter (ADC) uses a combination of sampling circuits and ADCs to convert the signal from analog to digital. By sampling an analog signal with a single front-end sampling circuit, the ADC substantially eliminates the dynamic error that is normally associated with mismatched parallel sampling circuits. The clean signal is then sampled a second time. Several sampling circuits arranged in parallel can be used to increase the bandwidth of the circuit. After the analog signal is sampled it is then converted to a time-interleaved digital signal. The ADC is able to achieve high-resolution broadband signal conversion while consuming much less power than other high-performance ADCs in systems such as GaAs and InP.
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