Agilent Technologies 35670A Manual page 478

Dynamic signal analyzer gpib programming

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[SENSe:]FREQuency:SPAN

Specifies the frequency bandwidth to be measured.

Command Syntax:

<number> ::= a real number (NRf data)

limits: 0.015625:102400.0

<unit> ::= [HZ|CPM]

<step> ::= UP|DOWN

<bound> ::= MAX|MIN

Example Statements:

Query Syntax:

Return Format:

Attribute Summary:

Description:

In FFT analysis instrument mode (INST:SEL FFT):

The value of FREQ:SPAN is used with either FREQ:CENT or FREQ:STAR to define the band of

frequencies. The maximum and the minimum frequency spans are listed in table 18-7. Allowable

values for the frequency span are determined by the following formula:

When you send this command, the value of the record length (SWE:TIME) is adjusted so the

following formula is true:

The frequency span limits the range of the start frequency values (FREQ:STAR) according to the

following formulas:

for one channel measurements:

(FREQ:STAR)  115 kHz - (FREQ:SPAN)/2

for two channel measurements:

(FREQ:STAR)  57.5 kHz - (FREQ:SPAN)/2

for four channel measurements:

(FREQ:STAR)  28.75 kHz - (FREQ:SPAN)/2

[SENSe:]FREQuency:SPAN {<number>[<unit>]}|<step>|<bound>

OUTPUT 711;":FREQ:SPAN 5E4"

OUTPUT 711;"sens:freq:span MIN"

[SENSe:]FREQuency:SPAN?

not applicable

Synchronization Required:

Preset State:

SCPI Compliance:

command/query