X-Band Monolithic Series Feedback LNA

X-Band Monolithic Series Feedback LNA

An X-band monolithic three-stage low-noise amplifier (LNA) employing series feedback has demonstrated 1.8-dB noise figure with 30.0-dB gain and an input VSWR less than 1.2:1 at 10 GHz. The key to this design is using monolithic technology to obtain an exactly repeatable series feedback inductance to...

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Veröffentlicht in:IEEE transactions on microwave theory and techniques 1985-12, Vol.33 (12), p.1560-1566
Hauptverfasser: Lehmann, R.E., Heston, D.D.
Format: Artikel
Sprache:eng
Schlagworte:
Bonding
Circuits
FETs
Frequency
Impedance matching
Inductance
MMICs
Noise figure
Noise measurement
State feedback
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Beschreibung
Zusammenfassung:An X-band monolithic three-stage low-noise amplifier (LNA) employing series feedback has demonstrated 1.8-dB noise figure with 30.0-dB gain and an input VSWR less than 1.2:1 at 10 GHz. The key to this design is using monolithic technology to obtain an exactly repeatable series feedback inductance to achieve a simultaneous noise match and input VSWR match.
ISSN:0018-9480
1557-9670
DOI:10.1109/TMTT.1985.1133257