SYED UMAID ALI; ADNAN AMIN PARACHA; SAMAMAH NAZISH; MUHAMMAD ZOHAIB; MUHAMMAD IBTISAM NAVEED; FAHEEM HAROON. DESIGN AND DEVELOPMENT OF COMPACT SIZE POWER AMPLIFIERS PCB USING DISCRETE COMPONENTS FOR OBSTACLE AVOIDANCE SONAR. Spectrum of Engineering Sciences, [S. l.], v. 4, n. 6, p. 772–778, 2026. Disponível em: https://www.thesesjournal.com.medicalsciencereview.com/index.php/1/article/view/3144. Acesso em: 17 jun. 2026.