Design considerations for an image rejection mixer in a broadband digital beamforming antenna array system

Alfredson, M.; Gustafsson, Andreas; Ouacha, A.

doi:10.1109/apmc.2000.925775

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“…This corresponds to a simulated value of 65 dB for the filter SFDR if we assume a receiver bandwidth of 18 MHz. Hence, if we compare our simulation results with the filter requirements given in Table 1, we note that this filter design can (when combined with the image rejection mixer in [4] ) achieve a performance adequate for the on-chip microwave receivers of future adaptive radar antennas. …”

Section: Simulation Resultsmentioning

confidence: 94%

“…An SFDR of 1 13dB/HzU3 is equivalent to an SFDR of 64dB if we assume a receiver bandwidth of 18 MHz. An X-band MMlC image rejection mixer which could help to ease the requirement on the image rejection of the tunable active filter has recently been presented and evaluated [4]. Measured results showed that for anf;F of I GHz a broadband image rejection of at least 45 dB can be obtained.…”

Section: Introductionmentioning

confidence: 97%

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