AN-0003 - Thermal Considerations

ANADIGICS

Datasheet Details

Part number	AN-0003
Manufacturer	ANADIGICS
File Size	379.98 KB
Description	Thermal Considerations
Datasheet	AN-0003 Datasheet

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Thermal Considerations for PAs AN-0003 Thermal Considerations for Power Amplifiers Overview Proper heatsinking to control junction temperature is an extremely important consideration for use of all power amplifiers. Gallium Arsenide (GaAs) devices can tolerate considerably higher junction temperatures than Silicon (Si), but due to its lower thermal conductivity, it requires more consideration than Si to remove heat. The thermal conductivity of GaAs is only about one third that of Si, and it has a nonlinear relationship with temperature (the conductivity worsens with increasing temperature).