Results 121 to 130 of about 362 (147)
Oxygen: when is more the enemy of good? [PDF]
Intensive Care Med, 2011 Branson RD, Robinson BR.
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8th European Congress of Intensive Care Medicine. Athens, Greece, October 18-22, 1995. Abstracts. [PDF]
Intensive Care Med, 1995 europepmc +1 more source
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IEEE Transactions on Circuits and Systems Part 2: Express Briefs, 2003
A novel digitally controlled oscillator (DCO)-based architecture for frequency synthesis in wireless RF applications is proposed and demonstrated. It deliberately avoids any use of an analog tuning voltage control line. Fine frequency resolution is achieved through high-speed /spl Sigma//spl Delta/ dithering.
Robert Bogdan Staszewski +2 more
exaly +2 more sources
A novel digitally controlled oscillator (DCO)-based architecture for frequency synthesis in wireless RF applications is proposed and demonstrated. It deliberately avoids any use of an analog tuning voltage control line. Fine frequency resolution is achieved through high-speed /spl Sigma//spl Delta/ dithering.
Robert Bogdan Staszewski +2 more
exaly +2 more sources
A precise ΔΣ-based Digitally Controlled Oscillator (DCO) for all-digital PLL
2013 21st Iranian Conference on Electrical Engineering (ICEE), 2013Abumoslem Jannesari
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An all-digital programmable digitally-controlled-oscillator (DCO) for digital wireless applications
2002 IEEE International Symposium on Circuits and Systems. Proceedings (Cat. No.02CH37353), 2003A programmable digitally controlled oscillator (DCO) core is mapped on an Altera MAX9400 CPLD that can be used for clock recovery circuit of a 2.4-19.2 Kb/sec Gaussian Minimum Shift Keying (GMSK) demodulator. This architecture is suitable for digital wireless transceivers that use different bands for transmit and receive modes, such as GSM and DECT ...
Seyed Reza Abdollahi +5 more
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Proceedings of the 8th Great Lakes Symposium on VLSI (Cat. No.98TB100222), 2002
A 16-bit digitally controlled BiCMOS ring oscillator (DCO) is described. This BiCMOS DCO design provides improved frequency stability under thermal fluctuations. Simulations of a 5-stage DCO using 1 /spl mu/m BiCMOS process parameters achieved controllable frequency range of 90-640 MHz with a linear/quasi-linear range of around 300 MHz.
Azman M. Yusof +2 more
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A 16-bit digitally controlled BiCMOS ring oscillator (DCO) is described. This BiCMOS DCO design provides improved frequency stability under thermal fluctuations. Simulations of a 5-stage DCO using 1 /spl mu/m BiCMOS process parameters achieved controllable frequency range of 90-640 MHz with a linear/quasi-linear range of around 300 MHz.
Azman M. Yusof +2 more
openaire +1 more source
Design of a 3-bit digital control oscillator (DCO) using IMOS varactor tuning
Analog Integrated Circuits and Signal Processing, 2019This paper presents a three-bit digital controlled oscillator (DCO) with three-stage ring topology. The proposed DCO circuit has been realized in TSMC 0.18-μm CMOS technology. DCO circuit has been designed with NAND gate based inverter delay cell for low power consumption and a digitally controlled load element is added at the output node of inverter ...
Dileep Dwivedi, Manoj Kumar
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IEEE Transactions on Microwave Theory and Techniques, 2011 This paper proposes an oppositely coupled varactor pair and reports the measured results for applying to a test digitally controlled oscillator (DCO).
Sang-Sun Yoo +2 more
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A portable high-frequency digitally controlled oscillator (DCO)
Proceedings of the 23rd ACM international conference on Great lakes symposium on VLSI, 2013A novel digitally-controlled oscillator (DCO) is reported. Utilizing a new capacitive load, the new DCO is capable of producing much higher output frequencies than existing DCOs. All other components are fully digital and modular, allowing portability to any CMOS process and customization for different applications. At the heart of the DCO is a digital
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JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE, 2017
Sang-Sun Yoo, Kang-Yoon Lee
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Sang-Sun Yoo, Kang-Yoon Lee
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