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AN-0003

ANADIGICS
Part Number AN-0003
Manufacturer ANADIGICS
Description Thermal Considerations
Published May 17, 2014
Detailed Description Thermal Considerations for PAs AN-0003 Thermal Considerations for Power Amplifiers Overview Proper heatsinking to contr...
Datasheet PDF File AN-0003 PDF File

AN-0003
AN-0003

Overview
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).
Although many factors inside and outside the package influence the junction temperature, the end user...


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