基于LDMOS FET的高增益、高输出功率、低功耗和良好的散热特性，分别设计了S波段45w和180w固态功率放大器。
Considering LDMOS FETs high gain, high output power, low power loss and efficient heat dissipation, a S-band, 45w and 180w solid state power amplifier is designed.
最后介绍了计算系统功耗的方法和芯片散热设计的注意事项。
The method for calculating power dissipation and some cautions for thermal design are provided in the end.
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