Generalized lock-in amplifier for precision measurement of high frequency signals

Siyuan Fu; Atsunori Sakurai; Liang Liu; Fredrik Edman; Tönu Pullerits; Viktor Öwall; Khadga Jung Karki

doi:10.1063/1.4827085

Generalized lock-in amplifier for precision measurement of high frequency signals

Siyuan Fu, Atsunori Sakurai, Liang Liu, Fredrik Edman, Tönu Pullerits, Viktor Öwall, Khadga Jung Karki

Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift › Peer review

Sammanfattning

We herein formulate the concept of a generalized lock-in amplifier for the precision measurement of high frequency signals based on digital cavities. Accurate measurement of signals higher than 200 MHz using the generalized lock-in is demonstrated. The technique is compared with a traditional lock-in and its advantages and limitations are discussed. We also briefly point out how the generalized lock-in can be used for precision measurement of giga-hertz signals by using parallel processing of the digitized signals.

Originalspråk	engelska
Artikelnummer	115101
Tidskrift	Review of Scientific Instruments
Volym	84
Nummer	11
DOI	https://doi.org/10.1063/1.4827085
Status	Published - 2013

Bibliografisk information

The information about affiliations in this record was updated in December 2015.
The record was previously connected to the following departments: Electrical and information technology (011041010), Chemical Physics (S) (011001060)

Ämnesklassifikation (UKÄ)

Elektroteknik och elektronik
Atom- och molekylfysik och optik

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10.1063/1.4827085

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abstract = "We herein formulate the concept of a generalized lock-in amplifier for the precision measurement of high frequency signals based on digital cavities. Accurate measurement of signals higher than 200 MHz using the generalized lock-in is demonstrated. The technique is compared with a traditional lock-in and its advantages and limitations are discussed. We also briefly point out how the generalized lock-in can be used for precision measurement of giga-hertz signals by using parallel processing of the digitized signals.",

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AU - Sakurai, Atsunori

AU - Liu, Liang

AU - Edman, Fredrik

AU - Pullerits, Tönu

AU - Öwall, Viktor

AU - Karki, Khadga Jung

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PY - 2013

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AB - We herein formulate the concept of a generalized lock-in amplifier for the precision measurement of high frequency signals based on digital cavities. Accurate measurement of signals higher than 200 MHz using the generalized lock-in is demonstrated. The technique is compared with a traditional lock-in and its advantages and limitations are discussed. We also briefly point out how the generalized lock-in can be used for precision measurement of giga-hertz signals by using parallel processing of the digitized signals.

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JO - Review of Scientific Instruments

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Generalized lock-in amplifier for precision measurement of high frequency signals

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