Patent ID: 6847212

Claim:
An apparatus for calibrating voltage spikes used in testing an electrical device, comprising: an input for receiving a voltage spike; power supply inputs for receiving power for energizing the electrical device under test, the power supply inputs comprising a high voltage input, a common input and a ground input; a plurality of outputs comprising a high voltage output, a common output, and a ground output, the plurality of outputs being configured for connection to corresponding high voltage, common and ground inputs of the electrical device, the common power supply input and ground power supply input being connected to the common output and ground output, respectively; and a circuit joined to selectably connect and disconnect the power supply high voltage input to and from, respectively, the high voltage output, said circuit further joined to select a pair of the plurality of outputs, said circuit being capable of transforming the voltage spike received at the input into a predetermined voltage spike waveform for application to the selected pair of outputs.