Since the circuit is push-pull, there are 40 transistors. ... In the steady state the junction temperature rise is 0.45AdC/watt times 220 watts or 100AdC. For an aquot;onaquot; pulse of 0.25 sec Ario.asxc = 100AdC ... A 200-watt Audio Power Amplifier.18 In addition to sonar applications, high-power transistor audio amplifiers are also used for aanbsp;...
|Author||:||Richard F. Shea|