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ZVA/ZVB/ZVT Channel Menu
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Harmonic Power Cal
Opens a dialog to perform a power calibration of the signal source and of the receiver. A power
calibration ensures accurate levels at the input of the DUT (source power calibration) and an accurate
power measurement of the harmonic (receiver calibration). The necessary calibration steps are
automatically performed across the entire frequency range of the active harmonic measurement.
Harmonic Power Cal procedure and example
Due to the different frequency ranges of the input and output signals, the harmonic power calibration
must be performed in two steps. For a test setup where the DUT's input signal (fundamental signal) is
provided by analyzer port 1 and where the harmonic is analyzed at port 2, the following test setups are
required:
1. Source power calibration for the fundamental signal. A power sensor is connected to port 1. The RF
power (red) is calibrated over the selected sweep range.
2. Receiver power calibration for the selected harmonic. No external device is needed. The receiver
(port 2) is calibrated at the IF frequency using the source signal from port 1 (red) calibrated in the
first step.
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