Method and circuit arrangement for suppressing an orthogonal perturbation
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United States of America Patent
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Apr 5, 2011
Grant Date -
Apr 6, 2006
app pub date -
Oct 4, 2005
filing date -
Oct 4, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a method as well as a circuit arrangement for suppression of a perturbing quadrature component of a carrier signal of an amplitude-modulated signal during the recovery of the carrier signal in a synchronous demodulator, which outputs a quadrature signal (Q). The perturbing quadrature component of the carrier signal is estimated and the estimated quadrature component is subtracted from the quadrature signal (Q).
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