The following publications are possibly variants of this publication:
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- A 60-dB Gain OTA operating at 0.25-V power supply in 130-nm digital CMOS processLuis H. C. Ferreira, Sameer R. Sonkusale. iscas 2014: 1881-1884 [doi]
- A 0.25-V 28-nW 58-dB Dynamic Range Asynchronous Delta Sigma Modulator in 130-nm Digital CMOS ProcessLuis H. C. Ferreira, Sameer R. Sonkusale. tvlsi, 23(5):926-934, 2015. [doi]
- A 20-nW 0.25-V Inverter-Based Asynchronous Delta-Sigma Modulator in 130-nm Digital CMOS ProcessGustavo Della Colletta, Luis H. C. Ferreira, Sameer R. Sonkusale, Giseli V. Rocha. tvlsi, 25(12):3455-3463, 2017. [doi]