Synchronous integrator and demodulator

R. H. Frater

doi:10.1063/1.1719652

Synchronous integrator and demodulator

R. H. Frater^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

A demodulator system has been developed where integration is performed prior to demodulation. This allows a simple demodulator to be used to obtain a high level output with large dynamic range. A complete demodulator is described which gives a maximum dc output of 10V with an input rms signal-to-noise ratio as low as - 10 dB. The output zero drift is less than 50 μV/° C. The system is designed for radio astronomy applications, but is widely applicable for the recovery of signals "buried" in noise.

Original language	English
Pages (from-to)	634-637
Number of pages	4
Journal	Review of Scientific Instruments
Volume	36
Issue number	5
DOIs	https://doi.org/10.1063/1.1719652
Publication status	Published - 1965
Externally published	Yes

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Cite this

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year = "1965",

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journal = "Review of Scientific Instruments",

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PY - 1965

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N2 - A demodulator system has been developed where integration is performed prior to demodulation. This allows a simple demodulator to be used to obtain a high level output with large dynamic range. A complete demodulator is described which gives a maximum dc output of 10V with an input rms signal-to-noise ratio as low as - 10 dB. The output zero drift is less than 50 μV/° C. The system is designed for radio astronomy applications, but is widely applicable for the recovery of signals "buried" in noise.

AB - A demodulator system has been developed where integration is performed prior to demodulation. This allows a simple demodulator to be used to obtain a high level output with large dynamic range. A complete demodulator is described which gives a maximum dc output of 10V with an input rms signal-to-noise ratio as low as - 10 dB. The output zero drift is less than 50 μV/° C. The system is designed for radio astronomy applications, but is widely applicable for the recovery of signals "buried" in noise.

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DO - 10.1063/1.1719652

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ER -

Synchronous integrator and demodulator

Abstract

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