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▪ All specifications may change without notice.
▪ Version 5.2
Biasing Circuits for GaAs HFET Power Amplifiers
This circuit below normally operates GaAs Power Amplifier and it is one of the circuits for stable operation and
satisfactory performance. It is structured by the parts for constant current operation.
Main functions of this circuit :
Negative Voltage Generator
Power Sequencing mode(Negative before positive)
Constant operating current
Constant operating current circuit is structured by low cost components. It will operate of constant current
regardless of any temperature changes. R3 should carefully be taken by power dissipation.
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