Tektronix PSM3000 Series, User Manual

Page: 39 / 76

Power Meter Application
Quick Setup Select to call a window that allows you to set the mode (CW or Pulse), frequency,
power units, averages, and offsets all from one window.
You can also fi nd this item in the Utility drop down menu.
Data Logger
This function allows you to plot measurement trends on the display or record a
measurement in a
fi le. Use the Logging Setup menu item in the Measurement
drop down menu to set the following data logging options:
Turn off storage
Specify a fi le name
Set to append data to the end of the fi le
Set to overwrite data in a fi le
Click the Data Logger button to display the logging graph and start logging data
to a
fi le once logging is set up.
The logger will start graphing from 0 to 300 readings (bottom scale, right to left).
The duty cycle is scaled vertically from 0 to 10% (1% per division). Crest Factor
is scaled vertically from 0 to 20 dB (2 dB per division).
NOTE.
There is a separate High Speed Logger application available for logging
high-speed measurements directly to a fi le. (See page 52, High Speed Logger
Application.)
Default Setup Click this button to return all measurement parameters to their default settings,
but not user de
fi ned settings, such as display color or window size. When you
start the application for the fi rst time, all parameters are in their default settings.
Unless you change one or more parameters, they will remain at their default
values. (See Table 2.)
Table 2: Power Meter default values
Parameter Default value
Mode CW
Frequency 1 GHz
Power units dBm
Averaging
75
Measured Pulse Setup 3 dB (PSM4000 and PSM5000 series only)
Measurement Update Rate Medium
Display Default
Sweep Time 1 ms
Offset 0 dB, disabled
RF and Microwave Power Sensors/Meters 25