•
Use the numeric keypad to enter a new amplitude. Press the number 6 .
Note that, as soon as a number is entered, the soft-keys change to show units of voltage.
•
Press the soft-key labelled Vpp to confirm a pk-pk amplitude of 6.0 volts.
Turn the Output On
•
Press Output1 key to turn the channel 1 output On.
Note that the Output key illuminates in green to indicate the on state
5.2
Setting-up a Square Wave Clock Signal
Requirement
Output a continuous square wave clock signal with 20MHz frequency, 50% duty cycle and a high level of
3.3V and a low level of 0.0 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 - Square
•
Press the hard key marked Square
Set the Frequency
•
The soft key labelled Freq will be highlighted - the current frequency 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 frequency. Press the numbers 2 0.
Note that, as soon as a number is entered, the soft-keys change to show units of frequency.
•
Press the soft-key labelled MHz to confirm a frequency of 20MHz.
Note that the graph box changes to show the rise time on the edges which is now significant.
9