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What is the link between conjugate matching efficiency and amplifier efficiency?

You'll find that the Wikipedia article you mention does make a distinction between maximum power transfer and maximum efficiency. It further states that "The theorem results in maximum power ...
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Impedance match a NFC Antenna to 50 \$\Omega\$

I could he wrong, but I think that attempting to accurately impedance match a near field antenna to a transmission line or device might be somewhat of a wild goose-chase. One may need to just accept ...
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Designing GPS matching network with TESEO and chip antenna

Since you're using the LNA and SAW filter, you need to include the series capacitors, but they don't play a role in impedance matching. Why? The reactance of a 120 pf capacitor at 1.5 GHz is less than ...
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Does an antenna have to be impedance matched to its transmitter circuit or the transmission line from it?

Antenna, transmission line, transmitter/receiver don't need to be matched. A better question would be 'what are the consequences of any degree of mismatch?' Mismatch causes signal reflections, which ...
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