•
Press the soft-key labelled Freq – the current frequency value of 20.0MHz is displayed
•
Press the Cursor hard keys to move the edit highlight to the second digit.
•
Use the spin wheel to change the value – the frequency is changed immediately.
5.3
Setting-up a Pulse Waveform
Requirement
Output a continuous pulse signal with 100ns period, 30ns pulse width, 20ns edge times and a high level of
2.7V and a low level of -0.6 volts from MAIN OUT 1.
Starting Conditions
Before starting, reset the instrument to defaults as described in section 4.1 Initial Conditions .
Open Waveform Menu - Pulse
•
Press the hard key marked Pulse
Set the Period
•
Press the soft-key labelled PlsFrq so that it changes to PlsPer - the current period appears
in the edit box.
Note that pressing this soft-key repeatedly changes its function between Frequency and Period.
•
Use the numeric keypad to enter a new period. Press the numbers 1 0 0.
Note that, as soon as a number is entered, the soft-keys change to show units of time.
•
Press the soft-key labelled ns to confirm a period of 100ns.
Note that the graph box changes to show a representation of the pulse and edge times.
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