Digital I/Q demodulation for KSTAR ion cyclotron range of frequency system
Journal Article
·
· Review of Scientific Instruments
- Korea Atomic Energy Research Institute, Daejeon 305-353 (Korea, Republic of)
An ion cyclotron range of frequency system requires rf diagnostics for a rf-plasma coupling or for maintaining a correct operation. A detector based on a digital I/Q demodulation technique collects the rf amplitude and phase at the same time without errors from the I/Q imbalance inherent in an analog counterpart. The theory of such a detector was studied and implemented for the first campaign of the KSTAR tokamak. Experimental results of the rf and other diagnostics are presented and discussed.
- OSTI ID:
- 21266753
- Journal Information:
- Review of Scientific Instruments, Vol. 80, Issue 2; Other Information: DOI: 10.1063/1.3077281; (c) 2009 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0034-6748
- Country of Publication:
- United States
- Language:
- English
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