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AN-0002

ANADIGICS
Part Number AN-0002
Manufacturer ANADIGICS
Description Biasing Circuits and Considerations
Published May 17, 2014
Detailed Description MESFET Amplifier Biasing AN-0002 Biasing Circuits and Considerations for GaAs MESFET Power Amplifiers Summary In order ...
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AN-0002
AN-0002

Overview
MESFET Amplifier Biasing AN-0002 Biasing Circuits and Considerations for GaAs MESFET Power Amplifiers Summary In order to properly use any amplifier it is necessary to provide the correct operating environment, especially the DC bias.
This application note outlines some of the considerations for biasing MESFET amplifiers.
Items considered herein are: • Constant current operation, • Temperature compensation of the biasing network, and • Power sequencing of the applied voltages.
Overview The I-V curves of Figure 1 represent a typical MESFET device in a common source configuration.
For a typical device operating in Class A the desired current is 50% of the maximum current for any particular pa...


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