ISSTT Proceedings

ISSTT Proceedings

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WASP: A Wideband Analog Autocorrelation Spectrometer

Authors:
K. G. Isaak, A. I. Harris, J. Zmuidzinas
Abstract:
We describe the design and realization of a new type of wideband, moderate resolution backend spectrometer for heterodyne spectroscopy. WASP, a Wideband (analog) Autocorrelation SPectrometer, combines direct analog multiplication with transmission line delays to achieve a bandwidth of 3250 MHz at a resolution of 33 MHz. This combination of bandwidth and resolution is well matched to the requirements of submillimeter-wave studies of interacting galaxies, active galactic nuclei and high redshift objects. The spectrometer is compact, low-power (75 W) and integrates stably for many hours.
Categories:
Backends, Detectors
Year:
1998
Session:
12
Full-text:
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Page Number(s):
615-623