“…10c. This excellent LO-to-RF isolation was due to an good phase balance of the tandem coupler and a greatly reduced LO leakage from the mixer to the RF input port of the amplifier, and to our best knowledge, this isolation is the best performance among the Wband MMIC down-converters reported to date as summarized in Table 1 [15][16][17][18][19].…”
“…10c. This excellent LO-to-RF isolation was due to an good phase balance of the tandem coupler and a greatly reduced LO leakage from the mixer to the RF input port of the amplifier, and to our best knowledge, this isolation is the best performance among the Wband MMIC down-converters reported to date as summarized in Table 1 [15][16][17][18][19].…”
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