Detailed Command Descriptions
Programming Reference
E1852B Operating Guide
143
READ:FREQuency_COUNT?
Query Frequency Count
READ:FREQ:DRIFt?
Query Frequency Drift
Syntax:
READ:FREQuency_COUNT?
Value Range:
<value>
Frequency [Hz]
Default Value:
Not Applicable
Applicable in
State:
Query: TCONN, RFGE
Description:
This query is used to measure frequency of the signal applied to
the frequency counter input connector (COUNT IN). This feature
is in particular designed for easy measurement of the DUT crystal
frequency.
Example:
READ:FREQuency_COUNT?
Syntax:
READ:FREQ:DRIFt?
Value Range:
<value>
Frequency drift [Hz/s]
Default Value:
Not Applicable
Applicable in
State:
Query: CONN, TCONN, RFGE
Description:
This query is used to give an indication of the carrier frequency
drift of the DUT. The measurement uses the Preamble and the
Trailer part of the burst.
This measurement can be used in normal mode. If you can
operate the DUT in test mode, use the
READ:FREQ:DRIF:SPEC
command instead.
Example:
READ:FREQ:DRIF?
E1852-90007.book Page 143 Monday, February 4, 2002 2:09 PM
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