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Source Mode Operation

reverse phase and multi-channel, which can be selected by the user through the

panel menu.

Under the reverse mode, the rated voltage will be extended to 200%.

The multi-channel function allows users to test 3 independent DUT at the same

time without adding additional hardware configuration.

The operation steps are as follows.

1. Press [Shift] + (System) enter to system menu.

2. Under the Source setting interface, touch the screen or rotate the knob to

select the Phase and set the power supply phase mode.

Single Phase

Under the single phase, the power supply works as a single phase power supply.

the output mode can be set to AC/DC/ACDC/DCAC.

Three Phase

Under the three phase mode, the power supply works as a three phase power

supply. the output mode can be set to AC/ACDC.

Reverse Phase

Under the reverse phase, the power supply works as a single phase power

supply, and the rated voltage will be extended to 200%. For example, AC power

supply rated voltage is 350V, under the reverse phase mode, the reted output

voltage is 700V. And the output mode can be set to AC/DC/ACDC/DCAC.

Multi-channel

Under the Multi-channel phase, the power supply works as a single phase power

supply and have three channels.

The multi-channel function of the IT7900 series allows users to test 3

independent DUTs at the same time without adding additional hardware

configuration. In the traditional solution, the user needs to configure 3 AC power

supplies; and one IT7900 device can meet multi-channel testing requirements.

Under multi-channel mode, parameters of each channel can be set

independently. The output mode can be set to AC/DC/ACDC/DCAC.

5.3 Select the Output Mode

The IT7900P series has four output modes: AC, DC, AC+DC, DC+AC. It not only

provides pure AC/DC output, but also can use AC+DC and DC+AC output

modes to realize "AC output plus DC bias" And "DC output waveform with ripple",

which cover a wider range of applications.

The output mode can be select in the system menu.

1. Press [Shift] + (System) enter to system menu.

2. Under the Source setting interface, touch the screen or rotate the knob to

select the [Output couple mode] and set the output mode.

5.3.1 AC Output Mode

If the output mode select to AC Mode, the instrument will simulate AC power

ITech IT7900P Series User Manual

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