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A wideband analog continuum correlator for radio astronomy

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1 Author(s)
Padin, S. ; Owens Valley Radio Obs., California Inst. of Technol., Pasadena, CA, USA

Design details for a 1-GHz bandwidth analog continuum cross-correlator for the Owens Valley Millimeter Array are presented. The correlator uses a pair of microwave mixers fed in phase quadrature to realize a complex multiplier for each baseline in the array. Very fast 180° phase switching is included to reject spurious signals

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Instrumentation and Measurement, IEEE Transactions on  (Volume:43 ,  Issue: 6 )