Anritsu ML2430A Bedienungsanleitung PDF herunterladen (Seite 34)

HOLD

[RGH]

Allows the operating range of the selected sensor to be set to the

desired range. Select a Range Hold value of 1 to 5, or Auto. When

in Auto, the range changes to take the best measurement automati

cally. Auto is the default setting following system preset.

Typical Range Hold values for diode sensors are:

Range 1 above approximately –12 dBm

Range 2 –10 to –27 dBm

Range 3 –25 to –42 dBm

Range 4 –40 to –57 dBm

Range 5 below –55 dBm

SETTLE %

[SENSTL]

Settle % per reading is available when the sensor mode is set to

Default. The settling time allows some control over the tradeoff be-

tween speed and the extent to which a measurement has settled to

its final value. A 1% settling value relates to approximately 0.04 dB,

0.5% relates to 0.02 dB and 0.25% to 0.01 dB. The default value af-

ter a system preset is 0.1%, or about 0.004 dB. Increasing the Set-

tle percent to 1% or more will substantially increase measurement

speed.

Calfactor Allows entry of the calibration correction factor. The calibration factor compen-

sates for mismatch losses and effective efficiency over the frequency range of the

power sensor.

SENSOR

Model ML2438A (dual channel) only. Select the sensor to be con

figured. Toggles between Sensor A and Sensor B for all submenu

functions.

SOURCE

[CFSRC

CFVAL]

Three selections are available, Frequency, Manual, and V/GHz.

Frequency

In this mode, correction data is read from the EEPROM in the sen

sor and applied automatically to the measurement based on the us

er’s input frequency. The EEPROM correction data value nearest to

the entered frequency is used to calculate the correction applied to

the signal.

4-6 ML2430A OM

SENSOR MENU OPERATION

NOTE

SETTLE% affects

GPIB speed. Consider

this when optimizing

GPIB performance.

NOTE

Frequency or V/GHz are pre

ferred methods as the sen

sors have internal linearity

correction which varies with

frequency.

NOTE

The HOLD selection is

not available when

System/Setup/mode is

set to Source Sweep.

In this mode, AUTO

ranging is used.

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