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6 Device PowerSupply General Purpose Power Supply (GPDPS)

160 System Reference, January 2001

The channels of one ganged group have to be in sequence

(e.g. DPS11, 12, 13, 14, 21 etc.).

Note that it is not possible to gang different types of power

supplies together.

For details on cable assembly on the DUT board refer to

“Routing DPS Lines” on page 163.

Setting up Ganged GPDPS Channels

Basically, ganged GPDPS channels can be set up in the Pin

Configuration window. Ganging GPDPS channels is done

by assigning the same pin ID to these channels. Combine a

consecutive number of “slave” channels to a “master”

channel. The numbering of the slave channels has to

follow sequentially from the number of the master

channel. The first channel in this consecutive row of

GPDPS channels is automatically set as the master

channel. For details, see the Test Setup manual.

On the firmware level, the commands DFPS and DDSL are

used in this conjunction.

DFPS <master_channel>,<polarity>,<(pin)>

DDSL <number_of_slave_channels>,<(pin)>

In the following example, slave channels 12, 13 and 14 are

ganged with master channel 11 for pin Vee:

DFPS 11,POS,(Vee)

DDSL 3,(Vee)

NOTE Multiply the value of the load capacitor with the number of

ganged channels.

Correctly Positioning Ganged GPDPS Connections

All ganged channels must be allocated sequential

numbers. For example, if you want to configure three

GPDPS channels for a supply pin, and the first channel is

DPS11, the following channels must have channel

numbers DPS12 and DPS13.

1 2 ... 155 156 157 158 159 160 161 162 163 164 165 ... 284 285

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AWG G3 PAD FOR PS3 Spezifikationen Seite 160