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Method for Converter Synchronization with RF Injection
Joshua P. Bruckmeyer, Ivica Kostanic
Pages - 46 - 53 | Revised - 31-08-2015 | Published - 30-09-2015
Published in Signal Processing: An International Journal (SPIJ)
MORE INFORMATION
KEYWORDS
Time Dissemination, Sampled Data Circuits, Calibration, Array Signal Processing, Phased Arrays.
ABSTRACT
This paper presents an injection method for synchronizing analog to digital converters (ADC). This approach can eliminate the need for precision routed discrete synchronization signals of current technologies, such as JESD204. By eliminating the setup and hold time requirements at the conversion (or near conversion) clock rate, higher sample rate systems can be synchronized. Measured data from an existing multiple ADC conversion system was used to evaluate the method. Coherent beams were simulated to measure the effectiveness of the method. The results show near theoretical coherent processing gain.
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Mr. Joshua P. Bruckmeyer
Harris Corporation - United States of America
jbruckme@harris.com
Dr. Ivica Kostanic
Department of ECE Florida Institute of Technology Melbourne, FL- 32901, USA - United States of America
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