Digital Mismatch Correction for Bandpass Sampling Four-Channel Time-Interleaved ADCs in Direct-RF Sampling Receivers
نویسندگان
چکیده
منابع مشابه
Direct downconversion of multiple RF signals using bandpass sampling
The center idea behind the software radio architecture is to place analog-to-digital and digital-to-analog converters as near the antenna as possible, leaving the implementation of the most radio functionality to a programmable micro or signal processor. One way to accomplish this in a radio receiver front end is by direct downconverting the desired radio frequency (RF) signal to a target inter...
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A goal in the software radio design philosophy is to place the analog-to-digital converter as near the antenna as possible. This objective has been demonstrated for the case of a single input signal. Bandpass sampling has been applied to downconvert, or intentionally alias, the information bandwidth of a radio frequency (RF) signal to a desired intermediate frequency. The design of the software...
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A computationally efficient technique is introduced for the adaptive blind correction of M-channel time-interleaved analog-todigital converters (TIADC). Under wide-sense stationary (WSS) input assumption, gain and timing errors are estimated by monitoring the shift-dependence of TIADC output autocorrelation. Sampling time mismatches are directly compensated by adjusting individual clock timing ...
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ژورنال
عنوان ژورنال: IEEE Transactions on Circuits and Systems I: Regular Papers
سال: 2019
ISSN: 1549-8328,1558-0806
DOI: 10.1109/tcsi.2019.2903650