14 Installation Guide
E440xBU Option H70 Performance Test
2. Select [Max Hold] on the spectrum analyzer. While the sweeper is sweeping, the
bandwidth response of the
70 MHz output will be displayed on the spectrum analyzer. Allow enough sweeps to fill
the bandwidth display.
3. Press [Peak Search] on the spectrum analyzer to place a marker on the peak of the
response.
4. Press [Marker Delta] on the spectrum analyzer and adjust the Delta Marker down the
skirt of the response to the 3 dB point.
5. Press [Marker Delta] again and adjust the Delta Marker back through the peak
response and down the other skirt until the marker amplitude reads 0 dB. The Marker
Delta frequency is the 3 dB bandwidth of the output port.
6. Refer to the “Typical Performance” on page 8 to verify the results of your tests.
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