![]() ![]() The RF output may be a simple continuous wave (CW) signal, a pulse, an analog modulated signal, or a complex digitally modulated transmission, such as an IQ or orthogonal frequency division multiplexing (OFDM) waveform. RF power measurements take many forms, depending on the RF transmitter design and application. Before performing any other tests, the engineer wants to know, “Is my DUT outputting power? Is it outputting power within specified parameters?” Testing RF power answers these questions and is the first indication of the system’s health.įigure 1. The block diagram of a generic RF transmitter shows baseband information conditioned with signal processing,Īnd then modulated and converted to an intermediate frequency before the final conversion to RF for transmission. ![]() The most common RF transmitter measurement is RF power. ![]()
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