A 1.2GS/s 15b DAC for precision signal generation

A 1.2GS/s 15b DAC for precision signal generation

A 1.2GS/s 15b DAC achieves untrimmed SFDR of -70dBc to f/sub s//4 and -63dBc to Nyquist (with 10dB better results at 500MS/s). A per-element resampling scheme and dynamic element matching achieve DNL of 2LSB. In RZ output mode, ACPR for a 20MHz band at 900MHz is 69dB. The chip uses 40GHz-f/sub T/ NP...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Jewett, B., Liu, J., Poulton, K.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Clocks
Density measurement
Frequency
Latches
Noise figure
Noise measurement
Resistors
Signal generators
Switches
Testing
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Beschreibung
Zusammenfassung:A 1.2GS/s 15b DAC achieves untrimmed SFDR of -70dBc to f/sub s//4 and -63dBc to Nyquist (with 10dB better results at 500MS/s). A per-element resampling scheme and dynamic element matching achieve DNL of 2LSB. In RZ output mode, ACPR for a 20MHz band at 900MHz is 69dB. The chip uses 40GHz-f/sub T/ NPN and is implemented in 0.35 /spl mu/m CMOS.
ISSN:0193-6530
2376-8606
DOI:10.1109/ISSCC.2005.1493893