A method to improve SFDR with random interleaved sampling method

A method to improve SFDR with random interleaved sampling method

Recent high-speed ADCs, especially for communication applications, require higher sampling rates with wide spurious free dynamic range (SFDR). To achieve high sampling rate, a time-interleaved ADC architecture is quite popular and can be seen in many papers. However it is also well known that spurio...

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Bibliographische Detailangaben
Hauptverfasser: Tamba, M., Shimizu, A., Munakata, H., Komuro, T.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Amplitude modulation
Clocks
Degradation
Delay
Dynamic range
Frequency domain analysis
Oscilloscopes
Sampling methods
System testing
Timing
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Beschreibung
Zusammenfassung:Recent high-speed ADCs, especially for communication applications, require higher sampling rates with wide spurious free dynamic range (SFDR). To achieve high sampling rate, a time-interleaved ADC architecture is quite popular and can be seen in many papers. However it is also well known that spurious components occur when using this conventional interleaved sampling method. These spurious components seriously affect SFDR. This paper newly proposes the random interleaved sampling method so that we can completely remove these components and get better SFDR.
ISSN:1089-3539
2378-2250
DOI:10.1109/TEST.2001.966669