Boonton 4540 Peak Power Meter User Manual Instrukcja Użytkownika Pobierz pdf (Strona 121)

Boonton 4540 Series RF Power Meter

Operation

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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

1 2 ... 116 117 118 119 120 121 122 123 124 125 126 ... 269 270

Brak uwag

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