4 - Front Panel Operation

4 - Using Transient Voltage Modes

The ac source voltage can be programmed in the following transient operating modes:

STEP

causes the output to permanently change to its triggered value.

PULSE

causes the output to change to its triggered value for a specific time, as determined by the

 

Pulse menu parameters.

LIST

causes the output to sequence through a number of values, as determined by points entered

 

in the List menu.

FIXED

disables transient operation for the selected function.

Step Transient

The Voltage Menu lets you specify an alternate or triggered voltage level that the ac source will apply to the output when it receives a trigger. Because the default transient voltage level is zero volts, you must first enter a triggered voltage before you can trigger the ac source to change the output amplitude. Refer to Chapter 4 of the Programming Guide for more information about programming triggers.

In the following example, the voltage output is set to 120 Vrms and then stepped down to 102 Vrms.

 

Action

Display

1.

On the Function keypad, press Output On/Off to enable the output. The Dis

0 V 60 Hz

 

annunciator will go off.

 

 

2.

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

VOLT

120

3.

Access the Voltage Menu again and press to access the triggered voltage

VOLT:T 0

 

command.

 

 

4.

On the Entry keypad, press 1 0 2 Enter.

VOLT:T

102

5.

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

VOLT:M

STEP

 

should be in the default FIXED mode. An ac source function in the FIXED mode

 

 

 

does not respond to triggers. On the Entry keypad, press ↓ or ° to scroll through

 

 

 

the mode parameters. When you have STEP, press Enter.

 

 

6.

Press Trigger Control and Enter. This initiates (or enables) one immediate trigger

INIT:IMMED

 

action.

 

 

7.

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

102 V 60 HZ

 

the output voltage. The triggered voltage value now becomes the VOLT value.

 

 

On three-phase ac sources the voltage steps are phase selectable. You can output a different voltage step 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 6843A, 6834B, 6814B manual Using Transient Voltage Modes, Step Transient, Voltt, Voltm Step
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6834B, 6843A, 6814B specifications

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