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Correction of frequency-dependent I/Q mismatches in quadrature receivers

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5 Author(s)
Pun, K.P. ; Chinese Univ. of Hong Kong, Shatin ; Franca, J.E. ; Azeredo-Leme, C. ; Chan, C.F.
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The I/Q mismatches in wideband receivers designed for multichannel reception can be frequency-dependent and limit their image rejection performance to an unacceptable level. An adaptive signal-image separation system is proposed to correct the frequency-dependent I/Q mismatches in the digital domain. Simulation results verifying the proposed method are given

Published in:

Electronics Letters  (Volume:37 ,  Issue: 23 )