Boonton 4500B Peak Power Meter Manual do Utilizador descarregar pdf (Página 158)

Boonton 4500B RF Peak Power Analyzer

Operation

4-86

Table 4-33. Calibrator > Pulse (Variable) > Submenu

Menu Item Function

(Type) Selections (SCPI cmd)

Source Int, Ext Selects the source for the calibrator output pulse modulation

(Toggle)

Press the Calibrator > Pulse > menu key to

specify whether the calibrator output pulse is

to be internally or externally generated.

OUTPut:PULSe:SOURce {INT, EXT}

Pulse Width Continuous Range: Set variable mode pulse width

(Numeric) 7 us to 65.535 ms, for

period 65.542 ms, and Use any of the data entry controls to enter

width + 7us period; the pulse width.

Min width increases

with increasing period

above period = 65.544

ms.

See below: OUTPut:PULSe:PERWID

Pulse Period Continuous Range: Set variable mode pulse period

(Numeric) 28 us to 131.077 ms;

Pulse width must be Use any of the data entry controls to enter the

compatible. the pulse period.

OUTPut:PULSe:PERWID <period> <width>

<period> = 28e-6 to 131.07e-3

<width> = 7e-6 to 65.535e-3

Pulse Control Preset, Var Selects the Preset or Variable internal Pulse

(Toggle) modulator

Press the Calibrator > Pulse > Pulse Control Fig. 4-47. Calibrator

menu key to select the Preset method of > Pulse > (Variable

internal pulse modulation control.

See Table 4-31.

OUTPut:PULSe:CTRL {PRESET, VAR}

NOTE

Calibrator pulse modulation can also be supplied by an external pulse generator via the rear-mounted BNC

Calibrator > Pulse > Source menu window. TTL-

level signals connected at this input port will gate the 1 GHz calibration signal on and off. A low level

signal turns the RF output off.

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