HP Cable Box 8591C manual Making Measurements Using Spectrum Analyzer Mode

Making Measurements Using Spectrum Analyzer Mode

Using the Time-Gated Spectrum Analyzer Capability Without the Gate Utility (Option 107 only)

3.Turn the gate on by pressing cm], GATE ON OFF (so that ON is underlined).

Using an oscilloscope makes it easier to ensure that the gate occurs during the pulsed RF signal. With GATE OUTPUT connected to the oscilloscope, you can adjust the gate length and gate delay so that the gate occurs near the end of the pulse. See Figure 5-22.

Figure 5-22. Setting the Gate Delay and Gate length Using an Oscilloscope

5-45