NDLI: 45 GHz stacked-FET PA with linearising feed-forward rectifier

Content Provider	IET Digital Library
Author	Kim, Y. Lee, S. H. Kwon, Y.
Abstract	A 45 GHz stacked-FET power amplifier (PA) using 0.15 μm pseudomorphic high electron mobility transistor is presented with feed-forward rectifier bias topology for enhancing linearity. The proposed rectifier bias circuit provides the gate-bias voltage which allows the stacked common-gate FET in triple-stacked FET to have linear operation at higher power compared with the conventional fixed gate-bias circuit. It shows improvement in linearity effectively from measured results of gain compression and third-order intermediation. Measurements are performed by on-wafer probe station. The fabricated 45 GHz stacked-FET PA exhibits an output power of 18 dBm, a transducer gain of 15 dB, and a power-added efficiency as high as 9.5%.
Starting Page	1535
Ending Page	1537
Page Count	3
ISSN	00135194
Volume Number	52
e-ISSN	1350911X
Issue Number	Issue 18, Sep (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/52/18
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2016.2233
Journal	Electronics Letters
Publisher Date	2016-08-09
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Amplifiers Feedforward Amplifiers Feedforward Rectifier Bias Topology Field Effect Device Fixed Gate-bias Circuit Frequency 45 GHz Gain 15 DB Gate-bias Voltage High Electron Mobility Transistors Millimetre Wave Field Effect Transistors Millimetre Wave Power Amplifiers On-wafer Probe Station Power Amplifier Power Electronics Power Supply Pseudomorphic High Electron Mobility Transistor Rectifier Sensing Device And Transducers Size 0.15 Mum Solid State Microwave Circuit And Device Stacked Common-gate FET Stacked-FET PA Supervisory Circuit Third-order Intermediation Transducer Transducers Triple-stacked FET
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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