Barik PK, Bhuyan KC. Switched-Capacitor-Based Preamplifier Circuit for Hearing Aid Devices. ECTI-EEC [Internet]. 2021 Jun. 30 [cited 2024 May 17];19(2):155-64. Available from: https://ph02.tci-thaijo.org/index.php/ECTI-EEC/article/view/225580