Using inductive series feedback to stabilize a microwave distributed amplifier with high gain fets: A new design approach | Zendy

Paixato Oswaldo P. | Zendy; Souza Rui F. | Zendy; Kretly Luiz C. | Zendy

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Using inductive series feedback to stabilize a microwave distributed amplifier with high gain fets: A new design approach

Author(s) -

Paixato Oswaldo P.,

Souza Rui F.,

Kretly Luiz C.

Publication year - 1993

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.4650060916

Subject(s) - distributed amplifier , transconductance , fet amplifier , microwave , fully differential amplifier , electronic engineering , operational transconductance amplifier , negative feedback amplifier , bandwidth (computing) , amplifier , series (stratigraphy) , direct coupled amplifier , engineering , electrical engineering , computer science , operational amplifier , transistor , telecommunications , cmos , paleontology , voltage , biology

Numerical results are presented to show how series inductive feedback between the source of the FET and ground, in a common‐source configuration, can stabilize a hybrid distributed amplifier. This kind of feedback is useful when using high transconductance FETs. Finally, for a 0.3 × 200‐μm HEMT (NEC 321) in chip form, an unconditionally stable four‐section distributed amplifier is designed using the suggested feedback, without compromising the gain‐bandwidth product. © 1993 John Wiley & Sons, Inc.

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