P. RAGHUPATHI; DR. P. SUKUMAR. Wide voltage range SRAM cell for low-energy using operation low power (OTA) low pass filter for ECG detection . International journal of intellectual advancements and research in engineering computations, [S. l.], v. 6, n. 1, p. 274–279, 2018. DOI: 10.61096/ijiarec.v6.iss1.2018.274-279. Disponível em: https://ijiarec.com/ijiarec/article/view/449. Acesso em: 25 may. 2026.