Testing with Mismatch Terminations
Mismatch loads can be used to test amplifiers and help characterize their performance under conditions that might occur in the field. To do so, a mismatch load (or mismatch termination) is used to present a specified VSWR, rather than the usual 1:1 perfect 50 ohm load. There are many situations in which it becomes necessary to match the impedance of a load to that of the source so as to maximize power transfer.
This application note examines the advantages of using VSWR mismatched loads when testing RF amplifiers.
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