Front Panel Operation - 4

Pulse Transient

In the following example, the output is four 83.3-millisecond, 120 Vrms pulses at 60 Hz. The figure shows the trigger, pulse count, pulse period, and duty cycle.

NOTE: From the Output Menu, execute the *RST command to reset the ac source. This is necessary because any previously programmed functions remain in effect until cleared.

Trigger

count = 4

120Vrms

102Vrms

 

83.3ms

 

 

 

250ms

 

 

 

 

 

 

 

Figure 4-5. Pulse Transients

 

 

 

Action

Display

1.

Press Voltage to access the Voltage Menu. On the Entry keypad, press 1 0 2 Enter.

VOLT

102

2.

Press to access the triggered voltage command. On the Entry keypad, press 1 2 0

VOLT

120

 

Enter.

 

 

3.

Access the Voltage Menu again and press to access the voltage mode command. On

VOLT:M

PULSE

 

the Entry keypad, press or ° to scroll through the mode parameters to obtain

 

 

 

PULSE and press Enter.

 

 

4.

Press Pulse to access the Pulse Menu. From the Entry keypad, press

WIDTH

.0833

 

. 0 8 3 3 Enter to enter a pulse width of 83.3 milliseconds.

 

 

5.

Access the Pulse Menu and press to access the duty cycle command. From the Entry

DCYCLE

33

 

keypad, press 3 3 Enter to change the duty cycle to 33%.

 

 

6.

Access the Pulse Menu and press to access the pulse count. On the Entry keypad,

COUNT

4

 

press 4 and Enter.

 

 

7.

Press Trigger Control and Enter to initiate the transient trigger sequence.

INIT:IMMED

8.

Press Shift Trigger. This sends the ac source an immediate trigger signal to generate

102 V 60 HZ

 

the four output pulses.

 

 

Note: The ac source output returns to 102 V at the completion of the output pulses.

On three-phase ac sources the voltage pulses are phase selectable. You can output a different voltage pulse for each phase. To do this, use Phase Select to first choose the desired phase, as previously described in example 1 for setting the immediate output voltage.

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Agilent Technologies 6834B, 6814B, 6843A manual Pulse Transient, Voltm Pulse, Width, Dcycle, Count

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