Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Joonhoi Hur"'
Publikováno v:
2022 IEEE Symposium on VLSI Technology and Circuits (VLSI Technology and Circuits).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3325ad473b84c7769ec84cfb09088276
https://doi.org/10.1109/vlsitechnologyandcir46769.2022.9830256
https://doi.org/10.1109/vlsitechnologyandcir46769.2022.9830256
Autor:
Chang-Ho Lee, Ockgoo Lee, Kyutae Lim, Joonhoi Hur, Joy Laskar, Kwan-Woo Kim, Hyoungsoo Kim, Franklin Bien
Publikováno v:
IEEE Transactions on Circuits and Systems II: Express Briefs. 63:618-622
This brief presents a nonisolated multilevel linear amplifier with nonlinear component (LINC) power amplifier (PA) implemented in a standard 0.18- $\mu\text{m}$ complementary metal–oxide–semiconductor process. Using a nonisolated power combiner,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::72d0314f7cd7e22efa8a5c2882d9ed6c
https://doi.org/10.1109/tcsii.2016.2530199
https://doi.org/10.1109/tcsii.2016.2530199
Publikováno v:
Electronics
Volume 9
Issue 2
Electronics, Vol 9, Iss 2, p 257 (2020)
Volume 9
Issue 2
Electronics, Vol 9, Iss 2, p 257 (2020)
This work presents a compact on-chip outphasing power amplifier with a parallel-combining transformer (PCT). A series-combining transformer (SCT) and PCT are analyzed as power-combining transformers for outphasing operations. Compared to the SCT, whi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9a89d8bc3df7e7bb272f3806e9e049d1
https://doi.org/10.3390/electronics9020257
https://doi.org/10.3390/electronics9020257
Publikováno v:
IEEE Journal of Solid-State Circuits. 50:1107-1116
In this paper, we present a 25 dBm Class-D outphasing power amplifier (PA) with cross-bridge combiners. The Class-D PA is designed in a standard 45 nm process while the combiner is implemented on board using lumped elements for flexibilities in testi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::df47bde7f45d20839564112f0fd05958
https://doi.org/10.1109/jssc.2015.2403316
https://doi.org/10.1109/jssc.2015.2403316
Publikováno v:
IEEE Journal of Solid-State Circuits. 50:1117-1125
In this paper, we present a 23 dBm PWM based fully digital transmitter designed in standard 45 nm CMOS process. The digital transmitter utilizes sigma-delta modulation and pulse-width modulation to convert high resolution baseband I and Q signals int
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ba00822ebde919641fa6d36d4d45217e
https://doi.org/10.1109/jssc.2015.2403365
https://doi.org/10.1109/jssc.2015.2403365
Autor:
Paul Draxler, Joonhoi Hur
Publikováno v:
2017 IEEE MTT-S International Microwave Symposium (IMS).
This paper present a multi-band Doherty power amplifier (DPA) implemented in a 0.18um CMOS SOI. In order to enable the multi-band operation, the proposed DPA employs tunable matching networks with digital controls that are set via serial RFFE command
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d3549b71098d1d5e1be47b5f5bc041d6
https://doi.org/10.1109/mwsym.2017.8058742
https://doi.org/10.1109/mwsym.2017.8058742
Publikováno v:
2017 IEEE Radio Frequency Integrated Circuits Symposium (RFIC).
This paper presents a peaking PA bias circuit for an Average Power Tracking (APT) CMOS Doherty PA, where the common supply voltage changes as the target average power changes. In order to have Doherty efficiency characteristics with APT, the peaking
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::99b8a829912d4768229c284d0cb70352
https://doi.org/10.1109/rfic.2017.7969099
https://doi.org/10.1109/rfic.2017.7969099
Publikováno v:
Microwave and Optical Technology Letters. 55:1171-1174
In this article, we proposed a new flicker noise simulation methodology within an orthogonal frequency-division multiplexing (OFDM) PHY layer, which offers accurate analyses of the flicker noise effect.To prove this effect, we examine bit error rate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::42971bdc15e9980d352ccd698eb9fb21
https://doi.org/10.1002/mop.27502
https://doi.org/10.1002/mop.27502
Publikováno v:
IEEE Transactions on Vehicular Technology. 60:4184-4193
The linear amplifier with nonlinear components (LINC) is highly efficient because it uses a highly efficient nonlinear power amplifier (PA). However, the linearity performance of the LINC system is easily degraded by amplitude and phase mismatches be
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::208079bfca2597cc9dc3d014601ec3ee
https://doi.org/10.1109/tvt.2011.2171062
https://doi.org/10.1109/tvt.2011.2171062
Autor:
Sang Min Lee, Jongmin Park, Chang-Ho Lee, Ki-Hong Kim, Taejoong Song, Franklin Bien, J. Laskar, Kyutae Lim, Joonhoi Hur, Moo Woong Lee
Publikováno v:
IEEE Transactions on Instrumentation and Measurement. 60:1187-1196
A low-power technique for a static random-access memory (SRAM)-based on-chip arbitrary-waveform generator (AWG) is proposed for two types of analog-signal-processing applications: multiresolution spectrum sensing and matched filter. The SRAM has an e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::39641f62e113f71c28864f994517de27
https://doi.org/10.1109/tim.2010.2084610
https://doi.org/10.1109/tim.2010.2084610