Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Seog-Jun Lee"'
Publikováno v:
Journal of the Korean Society of Manufacturing Process Engineers. 13:83-88
FSI (Fluid Structure Interaction) method, in this study, has been applied to analyzing thermal characteristics of a high speed machine tool spindle system. The spindle is composed of angular contact ceramic ball bearings, a high speed built-in motor,
Publikováno v:
The Journal of Information Systems. 22:105-129
Recently, since the interest with well-being has been getting higher than ever, people want reliable source of information related with health and medical treatment. Because of the characteristics of information related with medical care, there have
Publikováno v:
The Journal of Information Systems. 21:1-25
In the field of education in Korea, University Information Disclosure System was conducted forcibly in December 2008 by Ministry of Education, Science and Technology. As a result, information quality provided to the user has been improved dramaticall
Autor:
Young-Shig Choi, Seog-Jun Lee
Publikováno v:
IEEE Transactions on Consumer Electronics. 45:1183-1189
This paper describes a single chip DVB/DSS compliant receiver that integrates a variable rate QPSK demodulator with a 6-bit A/D converter, a Viterbi decoder, a deinterleaver, and a Reed-Solomon decoder. Using a fixed rate-sampling clock it handles a
A fully integrated low-noise 1-GHz frequency synthesizer design for mobile communication application
Publikováno v:
IEEE Journal of Solid-State Circuits. 32:760-765
This paper describes a fully monolithic phase-locked loop (PLL) frequency synthesizer circuit implemented in a standard 0.8-/spl mu/m CMOS technology. To be immune to noise, all the circuits in the synthesizer use differential schemes with the digita
Publikováno v:
IEEE Journal of Solid-State Circuits. 31:1267-1276
A novel logic family, called charge recycling differential logic (CRDL), has been proposed and analyzed. CRDL reduces power consumption by utilizing a charge recycling technique with the speed comparable to those of conventional dynamic logic circuit
Publikováno v:
IEEE Journal of Solid-State Circuits. 32:289-291
A high-speed ring oscillator is proposed for improved operation frequency over those based on the conventional n-stage inverter chain. The ring oscillator consists of inverters with negative delay elements that are derived from the ring oscillator ci
Publikováno v:
1996 Symposium on VLSI Circuits. Digest of Technical Papers.
A fully monolithic PLL frequency synthesizer circuit implemented in a 0.8 /spl mu/m CMOS technology is presented. The measured result shows a frequency range of 700 MHz to 1 GHz with -100 dBc/Hz phase noise at a 1 MHz carrier offset. The test chip co
Publikováno v:
1996 IEEE International Solid-State Circuits Conference. Digest of TEchnical Papers, ISSCC.
Publikováno v:
IEEE Journal of Solid-State Circuits; 1997, Vol. 32 Issue 5, p760-765, 6p