ELECTRONIC DEVICE, MICROWAVE POWER AMPLIFIER, AND ANTENNA DEVICE USING THE MICROWAVE POWER AMPLIFIER

摘要

PROBLEM TO BE SOLVED: To reduce the occurrence of pulse shape spike or ringing by shortening the power supply wiring and thus cutting down the power loss.;SOLUTION: A heat sink 42 is equipped with a RF circuit unit 41 on one end and a power circuit unit 43 on the other end to effectively utilize the empty space in the heat sink 42 ends. Also, a number of power lines connecting the RF circuit unit 41 and the power circuit unit 43 are made to pass through the heat sink 42.;COPYRIGHT: (C)2002,JPO