Monolithic feedback LNA for active antenna simultaneously input port signal and noise matched

This paper presents the design and test of a three stage monolithic low noise feedback amplifier for X-band. The circuit was designed with a standard 0.5 /spl mu/m GaAs MESFET technology and the total area of integration is 2 mm/sup 2/. A noise figure of 3.5 dB with a gain of 15 dB has been achieved...

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Bibliographic Details
Main Authors: da Silva, H.J., Rosario, M.J.
Format: Conference Proceeding
Language:English
Subjects:
Acoustic reflection
Active noise reduction
Antenna feeds
Bandwidth
Circuit noise
Feedback
Frequency
Microstrip antennas
Noise figure
Signal design
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Summary:This paper presents the design and test of a three stage monolithic low noise feedback amplifier for X-band. The circuit was designed with a standard 0.5 /spl mu/m GaAs MESFET technology and the total area of integration is 2 mm/sup 2/. A noise figure of 3.5 dB with a gain of 15 dB has been achieved from 10 GHz to well as input and output reflection better than -10 dB. The LNA draws 27 mA from a 5 V power supply.
DOI:10.1109/ICECS.1998.813930