Agilent Technologies 33120A To set the duty cycle

To set the duty cycle

Applies only to square waves. At power-on, the duty cycle for square waves

is 50%. You can adjust the duty cycle for a square waveform from 20%

to 80%, in increments of 1% (for frequencies above 5 MHz, the range is 40%

to 60%). The following steps show you how to change the duty cycle to 45%.

1 Select the square wave function.

Notice that the annunciator turns on, indicating that the square

wave function is enabled.

Shift % Duty 2 Enable the duty cycle modify mode.

The displayed duty cycle is either the power-on value or the previous

value selected.

50 % DUTY

This message appears on the display for appro ximately 10 seconds.

Repeat this step as needed.

Enter Number 3 Enter the desired duty cycle. 1

4 5 Notice that the Num annunciator turns on and “ENTER NUM” flashes on

the display, indicating that the number mode is enabled.

To cancel the number mode, press Shift Ca ncel .

Enter 4 Output the waveform with the displayed duty cycle.

45 % DUTY

1You can also use the knob and arrow keys to enter a number.

Chapter 2 Quick Start

To set the duty cycle