Results 51 to 60 of about 362 (147)

Linearity Enhancement Method for a Wide-Band Digitally Controlled Oscillator

, 2021
A linearity enhancement technique for a wide-band digitally controlled oscillator (DCO) is presented in this paper. By adding a calibration resistor array to improve frequency-tuning characteristics, the DCO shows a highly linearized frequency tuning ...
Tang, Zhong, Gao, Hao, Fang, Yun, Yu, Xiao-Peng, Xu, Zhiwei   +4 more
core  

Implementation of an All-digital Phase-locked Loop Using a New DCO

, 2012
[[abstract]]A novel digitally controlled oscillator (DCO) is implemented for All-digital phase lock loop (ADPLL) applications. The DCO exactly matches the gate-delay time and is implemented with faster phase alignment and wider locking range using the ...
Chen, Po-Yueh; Su, Hung-Lung
core  

Design of a 1.5 GHz Low jitter DCO Ring in 28 nm CMOS Process

, 2020
International audienceThe immunity of jitter with respect to supply voltage is one of the desirable characteristics of digitally controlled oscillators (DCO) for clocking applications.
Bisiaux, Pierre, Siriburanon, Teerachot, Elena Blokhina, Pierre Bisiaux, Teerachot Siriburanon, Blokhina, Elena, Koskin, Eugene, Dimitri Galayko, Galayko, Dimitri, Eugene Koskin   +9 more
core   +1 more source

Design of a 3 GHz fine resolution LC DCO [PDF]

, 2017
In this thesis, the design of a fine resolution LC digitally controlled oscillator (DCO) is introduced. Two NMOS varactor banks are used to achieve 12 bits medium and fine frequency tuning.
Zhao, Xuming, active 21st century
core   +1 more source

A digitally controlled 2.4GHz CMOS oscillator

, 2007
In this thesis work, a digitally controlled oscillator (DCO) is designed and implemented in a 65nm 6-metal CMOS technology with 1.2 supply voltage, along with a differential-to-single-ended converter and auxiliary digital on-chip circuitry for testing ...
Xu, Liangge
core  

Capacitive Degeneration in LC-Tank Oscillator for DCO Fine-Frequency Tuning

, 2010
A digitally controlled oscillator (DCO) that achieves a minimum frequency quantization step of 150 Hz without any dithering is presented. The fine digital tuning is obtained through a capacitive degeneration of a portion of the transistor switching pair ...
FANORI, LUCA, CASTELLO, RINALDO, LISCIDINI, ANTONIO, Antonio Liscidini, Rinaldo Castello, Luca Fanori   +5 more
core   +1 more source

Low-Phase-Noise, High Switching Speed Digitally Controlled Ring Oscillator in 0.18 µm Complementary Metal Oxide Semiconductor

, 2011
In this paper a 14-bit digitally controlled oscillator (DCO) with operating frequency up to 4.2 GHz in 0.18 µm complementary metal oxide semiconductor (CMOS) technology is presented.
Shashank Lingala, Ramesh Kumar Pokharel, Haruichi Kanaya, Keiji Yoshida, Abhishek Tomar   +4 more
core   +1 more source

A 5.4GHz 90-nm CMOS digitally controlled LC oscillator with 21% tuning range, 1.1MHz resolution, and 180dB FOM

, 2008
A 5.4 GHz digitally controlled oscillator (DCO) has been implemented in a 90-nm CMOS process. It has three different frequency control words, coarse, medium, and fine. The coarse control bank uses MIM capacitors and differential MOS switches.
Henrik Sjoland, Ping Lu, Sjöland, Henrik, Lu, Ping   +3 more
core   +1 more source

Ultra-low-power Digitally-controlled Oscillator for Event-driven Transmitter

, 2011
Event-driven wireless communication is a promising concept that presents new challenges to designers. For an event-driven transmitter, achieving high efficiency under the condition of ultra-low-power (ULP) consumption is one of the most critical tasks ...
Ba, A. (author)
core  

Digitally Controlled Oscillator for mm-Wave Frequencies [PDF]

, 2018
In the fifth generation of mobile communication, 5G, frequencies above 30 GHz, so-called millimeter-wave (mm-wave) frequencies are expected to play a prominent role.
Holmstedt, Johan, Gannedahl, Rikard
core