Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Bonhoon Koo"'
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 61:1272-1279
A CMOS linear power amplifier for wireless local area network IEEE 802.11b/g application is presented. To achieve high linear output power and high efficiency, a large-signal multigated transistor linearization method is proposed with an envelope inj
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d1b9eab13ade4aeb971287063a94bcea
https://doi.org/10.1109/tmtt.2013.2244228
https://doi.org/10.1109/tmtt.2013.2244228
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 60:2571-2580
A CMOS power amplifier (PA) with a built-in RF predistorter is proposed to improve the predistortion system efficiency, especially for handset applications. To eliminate the power consumption of an external predistorter and digital-to-analog converte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9a31eb01cab4e4a50a6080b78fce21ae
https://doi.org/10.1109/tmtt.2012.2198230
https://doi.org/10.1109/tmtt.2012.2198230
Publikováno v:
JSTS:Journal of Semiconductor Technology and Science. 9:257-265
Recent progress in development of CMOS power amplifiers for mobile terminals is reviewed, focusing first on switching mode power amplifiers, which are used for transmitters with constant envelope modulation and polar transmitters. Then, various trans
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3cc4e53ca46e988a2f336354d255751a
https://doi.org/10.5573/jsts.2009.9.4.257
https://doi.org/10.5573/jsts.2009.9.4.257
Publikováno v:
2015 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT).
This paper presents two kinds of linearization techniques for RF CMOS Power Amplifiers (PAs). One is the linearization technique using adaptively controlled biases of Common Source (CS) and Common Gate (CG) amplifier in a cascode structure The ethers
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1bdc7442465c410db84d5cb9ce99983f
https://doi.org/10.1109/rfit.2015.7377918
https://doi.org/10.1109/rfit.2015.7377918
Publikováno v:
2013 Asia-Pacific Microwave Conference Proceedings (APMC).
A fully integrated dual-mode CMOS power amplifier (PA) with nonlinear MOS capacitance compensation is presented using 0.18-μm RF CMOS process. The proposed technique is used to implement dual mode structure as well as reduces AM-PM distortion. Dual-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e1fd0a78f3207c341f34ee0cb0a73d47
https://doi.org/10.1109/apmc.2013.6694929
https://doi.org/10.1109/apmc.2013.6694929
Publikováno v:
2013 IEEE Radio Frequency Integrated Circuits Symposium (RFIC).
This paper presents a CMOS RF programmable-gain driver amplifier (RF PGDA) for wireless transmitters. Digital-step differential attenuators precede a programmable-gain amplifier in order to enhance the dynamic range and to save power consumption, esp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::06c5eaca6cd581e69766f6d04e7e4c63
https://doi.org/10.1109/rfic.2013.6569629
https://doi.org/10.1109/rfic.2013.6569629
Publikováno v:
2013 IEEE Radio Frequency Integrated Circuits Symposium (RFIC).
A CMOS linear PA for IEEE 802.11 b/g applications is implemented in a 0.13 μm process including all matching networks. An adaptive power cell (APC) scheme is proposed to achieve high linear output power and efficiency and applied to the PA, which de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::89fcb70b5aa6a2aba0c18b503b2ec2fd
https://doi.org/10.1109/rfic.2013.6569600
https://doi.org/10.1109/rfic.2013.6569600
Publikováno v:
2013 IEEE International Wireless Symposium (IWS).
Although a CMOS device has inferior characteristics for PA it allows versatile controls and possible integrations with other circuits. These advantages surely provide us various methods to linearize a PA with resultant high efficiency. Several linear
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7ea65bff99284cf51cbf4ad0dedc9fd7
https://doi.org/10.1109/ieee-iws.2013.6616822
https://doi.org/10.1109/ieee-iws.2013.6616822
Publikováno v:
2012 Asia Pacific Microwave Conference Proceedings.
A 24 GHz Power amplifier (PA) with high efficiency designed in the 0.13-μm CMOS process is presented. The proposed adaptive-bias circuit is used to improve the efficiency. The quiescent power consumption is 79.2 mW, which is improved by 53.8mW, comp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::354e9ef3740c6a7d2d1f0729861553b3
https://doi.org/10.1109/apmc.2012.6421480
https://doi.org/10.1109/apmc.2012.6421480
Publikováno v:
ISSCC
Integrating a CMOS RF power amplifier (PA) into a single-chip transceiver is one of the most challenging works in implementing radio front-ends, which presents many advantages in handheld applications [1,2]. Especially, low-power efficiency enhanceme
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0b34050cfbd7cc4de9e0af89bffff925
https://doi.org/10.1109/isscc.2012.6176939
https://doi.org/10.1109/isscc.2012.6176939