Title :
Digitally temperature compensated DDS
Author :
Stofanik, Vladimir ; Balaz, Igor ; Minarik, Marian
Author_Institution :
Dept. of Radio & Electron., Slovak Univ. of Technol., Bratislava, Slovakia
fDate :
6/23/1905 12:00:00 AM
Abstract :
A a direct digital frequency synthesizer incorporating compensation of frequency versus temperature (f-T) dependency of reference crystal oscillator is presented. The frequency instability of the synthesizer is ±0.1 ppm in a wide temperature range (-40°C to +85°C)
Keywords :
calibration; compensation; crystal oscillators; direct digital synthesis; frequency stability; -40 to 85 C; OCXO; SC-cut overtone frequency; digitally temperature compensated; direct digital frequency synthesizer; dual-mode crystal oscillator; frequency instability; precise reference clock; quartz resonator; reference crystal oscillator; self-temperature-sensing; single chip DDS control; Calibration; Clocks; Counting circuits; Frequency control; Frequency synthesizers; Microcomputers; Oscillators; Polynomials; Temperature dependence; Temperature distribution;
Conference_Titel :
Frequency Control Symposium and PDA Exhibition, 2001. Proceedings of the 2001 IEEE International
Conference_Location :
Seattle, WA
Print_ISBN :
0-7803-7028-7
DOI :
10.1109/FREQ.2001.956387
