START

10 000 000 MHZ

STOP 3 000.000 000 MHZ

Figure 3-30. Example Mixer RF Feedthrough Measurement

You can measure the IF to RF isolation in a similar manner, but with the following modifications:

nUse the analyzer source as the IF signal drive.

nView the leakage signal at the RF port.

Making Mixer Measurements 3-37

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Image 179
HP 8753E manual Example Mixer RF Feedthrough Measurement