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應用說明
Power Requirement for CET Card
The CET signal conditioner card (referenced in this application note as CET card) can be powered from various sources. The recommended sources are discussed in the following sections.
The input supply voltage to the CET card is +12 V @ 0.3 A. The selected source to provide the power needs to be controllable through the test plan execution. Power to the CET card must be uninterrupted for the duration of powered testing. If power to the CET card is disconnected, an “unpowered” command must be issued before turning the power back on.
Power is connected via a wire wrap of AWG28 wires to pins 11 and 12 of J6 of the CET card. There is another pair of power connections on J6 at pins 3 and 4. These are the power connections for the USB and do not provide power to the CET card itself.
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