Global Source allows any internal or external source to be set globally and retain its settings even after an instrument preset.
Power On (All Channels) - Check to enable source power for all channels. Global Sources Ignore "Power ON" Setting - This setting is a preference. Sources set to Global are not turned off when Power On (All Channels) is checked. Users of high power systems often turn off the RF Power to avoid damaging the system or the DUT. However, they may not want to turn off Global Sources being used as the clock signal for synthesizers. Name - Lists the names of the sources. Global - Set the state of the source.
State - Turns source power on and off. Frequency - Sets source frequency. Power - Sets the power level at the output of the source. Modulation - Enables/disables modulation on an internal source corresponding to the selected VNA port. Click in this field then click the Edit button to load an existing modulation file. Learn more.
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