HMC637LP5 Datasheet, PDF (7/8 Pages) Hittite Microwave Corporation – GaAs MESFET MMIC 1 WATT POWER AMPLIFIER, DC - 6 GHz

v02.0709
Application Circuit
HMC637LP5 / 637LP5E
GaAs MESFET MMIC 1 WATT
POWER AMPLIFIER, DC - 6 GHz
9
NOTE 1: Drain Bias (Vdd) must be applied through a broadband bias tee or external bias network.
NOTE 2: Power Up Bias Sequence
A) Set Vgg1 to -2V
B) Set Vdd to +12V
C) Set Vgg2 to +5V
D) Adjust Vgg1 to achieve Idd for 400 mA
Power Down Sequence
A) Remove Vgg2 Bias
B) Remove Vdd Bias
C) Remove Vgg1 Bias
9-7
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