Period M Easurem Ent - Tektronix 2245A Operator's Manual

Basic Applications
2. Set:
Vertical MODE
Horizontal MODE
3. Press AUTO SETUP button.
4. Adjust the VOLTS/DIV control so that the measurement points can be
easily seen.
5. Select a SEC/DIV setting that provides the fewest number of cycles of
the applied waveform necessary to display the measurement points of
interest. This is to improve the accuracy of cursor placement for the
measurement.
6. Press the TIME button to display the time cursors.
The independent cursor ('-»|) cannot be positioned in front
of the reference cursor f|<- OR DELAY).
7. Use the |<- OR DELAY control to position the reference cursor to the
leftmost point on the waveform to be measured. Use the -M control to
position the independent cursor to the rightmost point to be measured.
Then, read the time difference value In the top line of crt readout.
Period M ea su re m en t
This is a time-difference measurement. Position the TIME cursors to define
a full period (1 cycle) of the input waveform. Its value is displayed. Use the
setup for making time-difference measurements as a guideline for making
period measurements (see Figure 5-2).
5-4
As desired.
A
NOTE
2245A Operators