A 2.0 GS/s Two-Stage Quad-Channel Digital Downconverter for a 380 GHz Spaceborne Atmospheric HO Monitoring Instrument

A 2.0 GS/s Two-Stage Quad-Channel Digital Downconverter for a 380 GHz Spaceborne Atmospheric HO Monitoring Instrument

This brief presents a quad-channel 2.0 GS/s digital downconverter (DDC) chip in 65nm CMOS that supports the NASA Stratospheric Water Inventory and Tomography by Convective Hydration (SWITCH) spaceborne instrument. The presented DDC chipset provides a wide input bandwidth and allows the transmitted 3...

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Veröffentlicht in:IEEE transactions on circuits and systems. II, Express briefs Express briefs, 2023-01, Vol.70 (1), p.21-25
Hauptverfasser: Tang, Adrian, Khanal, Subash, Virbila, Gabriel, Livesey, Nathaniel, Werner, Frank, Chattopadhyay, Goutam, Chang, Mau-Chung Frank
Format: Artikel
Sprache:eng
Schlagworte:
Chips (electronics)
CMOS
DDC
digital downconversion
Down-converters
Finite impulse response filters
Frequency measurement
Read only memory
Space vehicles
stratosphere
SWITCH
Switches
Terrestrial atmosphere
Transmitters
water vapor absorption
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Beschreibung
Zusammenfassung:This brief presents a quad-channel 2.0 GS/s digital downconverter (DDC) chip in 65nm CMOS that supports the NASA Stratospheric Water Inventory and Tomography by Convective Hydration (SWITCH) spaceborne instrument. The presented DDC chipset provides a wide input bandwidth and allows the transmitted 380 GHz signals to be channelized to perform the atmospheric measurements. The prototype DDC chip is implemented in a 65nm CMOS technology and consumes 177mW of DC power.
ISSN:1549-7747
1558-3791
DOI:10.1109/TCSII.2022.3205848