Boonton 4540 Peak Power Meter User Manual Manual de usuario Pagina 121

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Boonton 4540 Series RF Power Meter
Operation
4-73
4.5.48 System > Calibrator > Pulse - Variable Menu (Ext 1 GHz - opt.)
The pulse menu is specific to the 1 GHz calibrator when it is connected. Control of the internal pulse generator is availble in
2 forms. The Variable mode provides a wide choice of periods and pulse widths, but has some restrictions. Preset mode
provides a limited choice of periods and duty-cycles, but is easy to use.
Main Pg 2 > System > Calibrator > Pulse > Polarity
Description: Selects the pulse polarity.
Menu Type: Toggle
Choices: +, -
SCPI Command: None.
Main Pg 2 > System > Calibrator > Pulse > Pulse Width
Description: Sets the pulse width in seconds.
Menu Type: Numerical Values
Range: 7 usec to 65.535 msec for period ≤ 65.542 msec
and (width + 7 usec) ≤ period. Minimum width
increases with increasing period above 65.544 msec.
SCPI command: See Pulse Period below.
Main Pg 2 > System > Calibrator > Pulse > Pulse Period
Description: Sets the pulse width in seconds.
Menu Type: Numerical Values
Range: 28 usec to 131.077 msec. Period must be an even number of microseconds.
SCPI Command: OUTPut:EXTernal:PULSe:PERWID <numeric-value> <numeric-value>
< Pulse Period > < Pulse Width >
Main Pg 2 > System > Calibrator > Pulse > Pulse Control
Description: Selects the pulse control method.
Menu Type: Toggle.
Choices: Preset, Variable
SCPI Command: OUTPut:EXTernal:PUISe:CTRL <character data>
Fig. 4-61 External 1 GHz
Calibrator Menu - Pulse
Variable
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