Design narrow-band frequency amplifier (1.5GHz -1.6GHz) based on InGaP Heterojunction Bipolar Transistor (HBT) and GaAs HBT. jcoeng [Internet]. 2021 Feb. 1 [cited 2024 May 11];27(2):13-26. Available from: https://joe.uobaghdad.edu.iq/index.php/main/article/view/1275