Characterization of a commercial software defined radio as high frequency lock-in amplifier for FM spectroscopy

Characterization of a commercial software defined radio as high frequency lock-in amplifier for FM spectroscopy

A commercial software defined radio based on a Rafael Micro R820T2 tuner is characterized for the use as a high-frequency lock-in amplifier for frequency modulation spectroscopy. The sensitivity limit of the receiver is 1.6 nV/Hz. Frequency modulation spectroscopy is demonstrated on the 6406.69 cm−1...

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Veröffentlicht in:Review of scientific instruments 2018-01, Vol.89 (1), p.013113-013113
1. Verfasser: Mahnke, Peter
Format: Artikel
Sprache:eng
Schlagworte:
Carbon monoxide
Frequency modulation
Lock in amplifiers
Receivers & amplifiers
Scientific apparatus & instruments
Software radio
Spectroscopy
Spectrum analysis
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Zusammenfassung:A commercial software defined radio based on a Rafael Micro R820T2 tuner is characterized for the use as a high-frequency lock-in amplifier for frequency modulation spectroscopy. The sensitivity limit of the receiver is 1.6 nV/Hz. Frequency modulation spectroscopy is demonstrated on the 6406.69 cm−1 absorption line of carbon monoxide.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.4999552