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Phase accuracy and stability of quadrature IF demodulators

Phase accuracy and stability of quadrature IF demodulators

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© The Institution of Electrical Engineers
Published

Baseband signal processing involves the provision of quadrature channels if phase information is of importance. A technique of producing extremely well matched quadrature phase detectors over a 40 dB dynamic range is described, together with a scheme to measure the resulting phase errors to an accuracy of less than 1 min.

Inspec keywords: demodulators; frequency stability

Other keywords: 40 dB dynamic range; quadrature phase detectors; quadrature IF demodulators; phase errors; quadrature channels

Subjects: Modulators, demodulators, discriminators and mixers

References

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      • H.D. Griffiths , J.R. Forrest , A.D. Williams , C. Pell . Digital beamforming for bistatic radar receiver. IEE Conf. Publ. 219 , 80 - 84
    2. 2)
      • J.G. Schoenenberger , J.R. Forrest , C. Pell . Active array receiver studies for bistatic/multistatic radar. IEE Conf. Publ. 216 , 174 - 178
    3. 3)
      • J.G. Schoenenberger , J.R. Forrest . Principles of independent receivers for use with co-operative radar transmitters. Radio & Electron. Eng. , 93 - 101
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