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Optimizing the Sign...
Optimizing the Signal-To-Noise and Distortion Ratio of a GaN LNA using Dynamic Bias
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- Hanning, Lowisa, 1993 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Bremer, Johan, 1991 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Strom, Marie (författare)
- Saab AB,Saab
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- Billström, Niklas (författare)
- Saab AB,Saab
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- Eriksson, Thomas, 1964 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Thorsell, Mattias, 1982 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2018
- 2018
- Engelska.
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Ingår i: 2018 91st ARFTG Microwave Measurement Conference: Wideband Modulated Test Signals for Network Analysis of Wireless Infrastructure Building Blocks, ARFTG 2018. - 9781538654491 ; 1
- Relaterad länk:
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https://research.cha...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- This paper shows how the signal-to-noise and distortion ratio (SNDR) for low noise amplifiers (LNA) can be derived from the commonly specified parameters noise figure, gain, third order output intercept point and 1 dB compression point. The parameters dependency of the biasing of the amplifier are also incorporated which enables the possibility to study how SNDR can be optimized for different operating conditions by dynamically change the gate- and drain voltage. An experimental verification shows that improvements in SNDR can be achieved by selecting gate- and drain voltage of the LNA according to the level of the input signal power.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Signalbehandling (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Signal Processing (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Annan elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Other Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Nyckelord
- thermal noise
- low-noise amplifiers
- dynamic bias
- signal-To-noise ratio
- nonlinear distortion
Publikations- och innehållstyp
- kon (ämneskategori)
- ref (ämneskategori)
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