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EnglishNanometer CMOS technologies are characterized by low intrinsic gain and limited rejection to common-mode disturbances, issues that analog designers must counteract through nonconventional circuit solutions able to operate under sub-1-V supply voltages. In this letter, an approach originally proposed as a common-mode control loop for body-driven amplifiers is exploited by cross-connecting the bulk terminals of the active-load transistors of a source-coupled pair to sensibly improve its small-signal performance. A design example in 65-nm process supplied from 750 mV shows that the presented solution offers both a nominal 20-dB increase in differential gain and 29-dB increase in CMRR, as compared with the standard counterpart.
| Titolo: | Active load with cross-coupled bulk for high-gain high-CMRR nanometer CMOS differential stages |
| Autori interni: | PENNISI, Salvatore (Co-primo) (Corresponding) |
| Data di pubblicazione: | 2019 |
| Rivista: | |
| Handle: | http://hdl.handle.net/20.500.11769/370981 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
File in questo prodotto:
http://hdl.handle.net/20.500.11769/370981
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