DocumentCode
2375179
Title
Digital frequency detector based on multiphase ring oscillator
Author
Cha, Choong-Yul ; Lee, Minjae ; Lee, Jaesup ; Kim, Taewook
fYear
2008
fDate
18-20 June 2008
Firstpage
84
Lastpage
85
Abstract
A new high resolution digital frequency detector architecture based on multiphase ring oscillator is proposed, and it uses the time resolution of fast-operating deep sub-micron MOS transistor. The proposed DFD is implemented with 65 nm CMOS technology. The measured frequency resolution is amount to 75 dBc with 10.2 MHz input signal. Fabricated digital frequency detector draws about 4 mA in 1.2 V supply voltage.
Keywords
CMOS integrated circuits; detector circuits; integrated circuit design; oscillators; CMOS technology; MOS transistors; digital frequency detector; frequency 10.2 MHz; multiphase ring oscillator; size 65 nm; voltage 1.2 V; Counting circuits; Delay; Design for disassembly; Frequency conversion; Latches; MOSFETs; Phase detection; Phase frequency detector; Ring oscillators; Signal resolution;
fLanguage
English
Publisher
ieee
Conference_Titel
VLSI Circuits, 2008 IEEE Symposium on
Conference_Location
Honolulu, HI
Print_ISBN
978-1-4244-1804-6
Electronic_ISBN
978-1-4244-1805-3
Type
conf
DOI
10.1109/VLSIC.2008.4585961
Filename
4585961
Link To Document