Procedures Power vs. Time Mode
ML2437A/38A OM/PM PN: 10585-00001 Rev. P 6-17
Using the 68/69000-Series Synthesizer
To communicate with an Anritsu 68/69000-series synthesizers, the synthesizer model and
firmware must be later than the levels shown below for each model.
680xxB - 3.39, 681xxB - 3.44, 682xxB - 2.41, 683xxB - 2.50, 680x5B - 1.26,
681x5B - 1.32, 682x5B - 1.30, 683x5B - 1.34, 690xxA - 1.21, 691xxA - 1.26,
692xxA - 1.26, 693xxA - 1.35, 690x5A - 1.21, 691x5A - 1.24, 692x5A - 1.24,
693x5A - 1.31
Contact your nearest Anritsu Service Center for a firmware upgrade if necessary.
6-12 Power vs. Time Mode
The ML243xA Power vs. Time mode is a graphical chart display of one of the display
channels, as selected in the SYSTEM > PWR vs. TIME menu. The triggering setup is as set
for Readout mode operation.
Power vs. Time mode provides a chart display on a timed basis where the x-axis of the graph
is defined in units of time. The user specifies the sweep period and, within this sweep period,
each pixel depicts all the measurements taken within a 200th of the sweep period.
The data can be displayed as a maximum value only, a minimum value only, maximum and
minimum values, the average of all the readings during the time slot period, or the latest
measured value. These display modes are selected in the SYSTEM > Pwr Vs Time menu,
DATA HOLD representation. Measurement setup, i.e., trigger, etc., is selected the same way
as in Readout mode. The minimum sweep time is 1 minute, and the maximum sweep time is
24 hours.
6-13 User Cal Factors
All MA24XXA-D Power Sensors have an internal EEPROM containing correction and
calibration factors programmed into the sensor at the factory. This “cal factor” data is used
when the power meter is set up to use frequency or volts per GHz calibration factors. The
correction is in linearity (across the dynamic range) and sensitivity (across frequency).
The ML243xA has the capability to define sets of calibration factor data and store them in the
sensor. A user-defined cal factor table can be used on its own, or in conjunction with the
factory-defined cal factor table. Linearity correction is not affected provided the meter cal
factor frequency is set correctly.
Note
This feature is also available when using Anritsu MA4700A/ MA4600A sensors
with the Anritsu MA2499B Sensor Adapter. Since the MA4700A/ MA4600A
sensors do not contain an EEPROM, the user cal factors are stored in the
MA2499B adapter EEPROM.
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