Rattha P, Chamnanphrai V, Charoenmee A, Namsom J. Guidelines for the Development of Power Loss Reduction Circuits of Class A Audio Amplifiers using Appropriated Voltage Adjustment Technique with Small Input Signal: doi: 10.14456/mijet.2020.7. Engineering Access [Internet]. 2020 Jan. 19 [cited 2024 May 5];6(1):30-5. Available from: https://ph02.tci-thaijo.org/index.php/mijet/article/view/10.14456.mijet.2020.7