Amplifiers – With semiconductor amplifying device – Including protection means
Reexamination Certificate
2006-02-14
2006-02-14
Le, Don (Department: 2819)
Amplifiers
With semiconductor amplifying device
Including protection means
C330S296000
Reexamination Certificate
active
06998920
ABSTRACT:
A monolithically integrated amplifier comprising at least one heterojunction bipolar transistor and at least one field effect transistor is disclosed wherein the field effect transistor provides improved ruggedness by limiting the base and/or collector current to the HBT during severe load mismatch and/or high overdrive.
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Gupta Aditya K.
Khatibzadeh M. Ali
Krutko Oleh B.
Xie Kezhou
Anadigics Inc.
Le Don
Mai Lam T.
Morgan & Lewis & Bockius, LLP
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