Agilent Technologies 54503A User's Guide Page 221

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Chapter 4 221
Key Function Descriptions
Key Descriptions
Front-panel key access: MEAS/USER
BURST PERIOD Allows you to enter the period (cycle time) of the burst
RF signal. The cycle time is needed to set sweep times.
Front-panel key access: MEAS/USER
BURST WIDTH Allows you to enter the pulse width ("on" time) of the
burst RF signal. The pulse width is needed in the gated
method to set gating times. It is also needed in the
burst power method.
Front-panel key access:
MEAS/USER
BURST PWR METHOD Makes adjacent channel power (ACP)
measurements measuring peak transient, peak
random, and average power. This method performs a
measurement and computation to find the impulsive
and random powers similar to the two-bandwidth
method (2BW METHOD), but using a different and
faster technique.
It also uses an rms-responding technique to compute a
true power ratio between the main and adjacent
channels, without peak weighting or assumptions
about phase relationships.
Front-panel key access:
MEAS/USER
BW Accesses the bandwidth functions menu: RES BW
AUTO MAN, VIDEO BW AUTO MAN, VBW/RBW
RATIO, RBW/SPAN RATIO, and VID AVG ON OFF.
BW also activates the resolution-bandwidth function.
Front-panel key access:
BW
CAL Displaysallmenus related to calibration anddiagnostic
routines.
Front-panel key access: CAL
CAL OPN/SHRT Activates a procedure to store the average of an open
and a short calibration into trace B and into the
nonvolatile memory of the spectrum analyzer (this
average is stored in spectrum analyzer memory for
future reference). When activated, the message
Connect OPEN. Store when ready. appears in the
active function block. Once the open is connected, press
STORE OPEN. Connect SHORT. Average with open
when
ready. will then appear in the active function block.
Connect the short, then press AVERAGE SHORT. The
state of the open/short average trace is stored in state
register number 8.
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