Agilent Technologies 8590 Series Service Manual page 567

CAL FREQ Calibrate Frequency
D
CAL FREQ
ESCRIPTION
routine. Connect CAL OUT to the analyzer input before
initiating
Note that it is normal for the FREQ UNCAL error
message to appear briefly during
During the
are sequentially displayed, indicating a specific
calibration activity. Each function performed by
FREQ
• Before the calibration routine starts, an instrument
setup check is performed.
The CAL OUT signal must be within 300 MHz
±50 MHz and greater than or equal to −45 dBm to
pass the setup check. If the CAL OUT signal is not
present, the routine stops.
If the
use, a frequency offset may occur that prevents the
CAL OUT
instrument setup check can be bypassed. Enter the
−37 Hz passcode before pressing
Refer to the CAL SIGNAL NOT FOUND error message
description in
• While CAL: SWEEP is displayed:
• While CAL: FREQ is displayed:
Chapter 13
initiates the frequency self-calibration
.
CAL FREQ
self-calibration routine, messages
CAL FREQ
is described below.
DEFAULT CAL DATA
signal from being found. If desired, the
Chapter 14
The sweep ramp is calibrated.
The values are stored as correction factors.
Harmonics of the
CAL OUT
adjust the start and stop end-points for the A6
YTO.
The end-point values are stored as correction
factors.
Softkey Descriptions
Softkey Descriptions
.
CAL FREQ
CAL
correction factors are in
and
CAL CAL FREQ.
for more information.
signal are used to
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