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Agilent X-Series Signal Generators SCPI Command Reference 39

Basic Function Commands

Frequency Subsystem ([:SOURce])

:FREQuency:CENTer

Supported All Models

[:SOURce]:FREQuency:CENTer <num>[<freq_suffix>]|UP|DOWN

[:SOURce]:FREQuency:CENTer? [MAXimum|MINimum]

This command sets the center frequency for a step sweep. The center frequency symmetrically divides

the selected frequency span and is coupled to the start and stop frequency settings. The frequency

range and reset values are dependent on the signal generator model and option number.

The query returns the start and stop frequencies if the optional MAXimum or MINimum are used.

*RST The preset value is model/option dependent. Refer to the instrument’s Data Sheet.

Range The range is model/option dependent. Refer to the instrument’s Data Sheet.

Example

:FREQ:CENT .5 GHz

The preceding example sets the center frequency for a sweep to .5 GHz.

Key Entry Freq Center

:FREQuency:CHANnels:BAND

Supported All Models

BRGSm|MRGSm|BDCS|MDCS|BPCS|MPCS|B450|GM450|B480|B850BDCS|M480|B850|M850|B8|M8|B15|M15

|B390|B420|B460|B915|M380|M410|M450|M870|PHS|DECT

[:SOURce]:FREQuency:CHANnels:BAND?

This command sets the frequency of the signal generator by specifying a frequency channel band. The

frequency channel state must be enabled for this command to work.

Refer to the :FREQuency:CHANnels[:STATe] command.

Table 2-1 Frequency Channel Bands

SCPI Parameter Frequency Channel Band

Selected

Standard

NBASe Standard Base NADC

NMOBile Standard Mobile NADC

BPGSm P- Gsm 900 Base GSM

MPGSm P-Gsm 900 Mobile GSM

BEGSm E- Gsm 900 Base GSM

MEGSm E- Gsm 900 Mobile GSM

BRGSm R- Gsm 900 Base GSM

MRGSm R- Gsm 900 Mobile GSM

BDCS DCS 1800 Base GSM

MDCS DCS 1800 Mobile GSM

Agilent Technologies N5171B User Manual

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