Zobrazeno 1 - 10
of 67
pro vyhledávání: '"Ja-Yol Lee"'
Publikováno v:
IEEE Access, Vol 10, Pp 62471-62483 (2022)
This paper presents analyses of jitter and reference spur of a digital PLL using a phase-frequency detector (PFD) and a time amplifier (TA). In the PFD-TA PLL, the TA amplifies a phase error between a reference clock and a divided feedback clock. The
Externí odkaz:
https://doaj.org/article/a3647326de974759ae0af81d42c9696a
Publikováno v:
IEEE Transactions on Circuits and Systems II: Express Briefs. 67:1829-1833
This brief presents an untrimmed sub-1V CMOS bandgap reference (BGR) where a dynamic-biased error amplifier (EA) is invented to accomplish small input-referred offset voltage ( $\text{V}_{\mathrm{ off}}$ ) and improve PSRR of BGR. In the dynamic-bias
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ae535c6029c4ec1983fbc1e821a45d41
https://doi.org/10.1109/tcsii.2019.2959067
https://doi.org/10.1109/tcsii.2019.2959067
Autor:
Hyun-Kyu Yu, Ja-Yol Lee
Publikováno v:
Advanced Microwave and Millimeter Wave Technologies Semiconductor Devices Circuits and Systems
In this chapter, we design and fabricate a 52GHz frequency synthesizer for 60GHz dualconversion receiver using SiGe BiCMOS process technology. The designed PLL-based frequency synthesizer consists of a 26-GHz PLL and a 52-GHz frequency doubler. In th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c38d140b3a64bc642b3101b96d602d74
http://www.intechopen.com/articles/show/title/52-ghz-millimetre-wave-pll-synthesizer
http://www.intechopen.com/articles/show/title/52-ghz-millimetre-wave-pll-synthesizer
Publikováno v:
ISCAS
A 31.4-39.9GHz mmWave PLL synthesizer for FMCW radar applications is proposed that consists of a complementary Colpitts-assisted class-B/C VCO, a programmable quadratic-curved charge pump, and a digital chirp-code generator. The complementary Colpitt
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d0622842818780ec7abdb9c0d1319b78
https://doi.org/10.1109/iscas51556.2021.9401082
https://doi.org/10.1109/iscas51556.2021.9401082
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 66:2287-2298
A low-power interference-tolerance wideband receiver with post-LNA active N-path filter for RF channel selection is proposed for 802.1af/ah long-range Wi-Fi standards. By leveraging gain, noise, and filtering characteristics among the wideband LNA, h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9dacfa9eb26a48da040fd644cc9cd2f5
https://doi.org/10.1109/tmtt.2018.2805341
https://doi.org/10.1109/tmtt.2018.2805341
Publikováno v:
2018 IEEE Radio Frequency Integrated Circuits Symposium (RFIC).
A 31.8-40.8GHz continuously voltage-tuning LC-tank CMOS differential VCO is presented that has been designed by using only a pair of varactors and single symmetric inductor available from library, and adopting class-B oscillator. The push-pull comple
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::211bb7dff8ed1dd259b342ad97a998a0
https://doi.org/10.1109/rfic.2018.8429032
https://doi.org/10.1109/rfic.2018.8429032
Publikováno v:
2017 International Conference on Computational Science and Computational Intelligence (CSCI).
This short letter presents an X-band FMCW radar intended to detect and track a small-size UAV with an estimated less than 0.01m2 of radar cross section. The manufactured FMCW radar has successfully detected quadrocopters that are flying over the rang
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fce5296edeb963855ff5a6e5622cc084
https://doi.org/10.1109/csci.2017.342
https://doi.org/10.1109/csci.2017.342
Publikováno v:
2016 IEEE Radio Frequency Integrated Circuits Symposium (RFIC).
An 840-GHz Schottky diode detector is integrated with an analog lock-in amplifier in 130-nm bulk CMOS. The integrated lock-in amplifier can support a modulation frequency of up to 10MHz with a gain of 54dB, a dynamic range of 42dB, and an input refer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b27674240b5cd647ee41daca0884966e
https://doi.org/10.1109/rfic.2016.7508277
https://doi.org/10.1109/rfic.2016.7508277
Publikováno v:
IEEE Transactions on Circuits and Systems I: Regular Papers. 59:1706-1719
This paper presents a 4-GHz all-digital fractional-N PLL with a low-power TDC operating at low-rate retimed reference clocks, a compensator preventing big phase-error downfalls, and a loop settling monitor. Two retimed reference clocks, nCKR and pCKR
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::94aecfaea8732b3b110ade1ee15cb58f
https://doi.org/10.1109/tcsi.2012.2206500
https://doi.org/10.1109/tcsi.2012.2206500
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 56:1234-1246
A 28.5-32-GHz fast settling multichannel frequency synthesizer is implemented in 0.25-mum SiGe : C BiCMOS process technology for 60-GHz wireless personal area network (WPAN) applications. The phase-locked loop (PLL) synthesizes carrier frequencies be
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4634a0230624ec21e99ed0c09a1092f0
https://doi.org/10.1109/tmtt.2008.920179
https://doi.org/10.1109/tmtt.2008.920179