Testing
Electrical testing of a device is grouped into three categories.
Voltage testing under both DC and AC conditions,
Output and termination impedance testing,
Timing testing.
Teradyne is a supplier of test equipment. DC voltage testing is done when a steady state logic '1' and logic '0' is driven. AC voltage testing is made when the transmitter is transmitting a vector pattern at a specified frequency. Impedance testing is performed by measuring the amount of current sourced by the transmitter or the amount of current sunk by the transmitter when driving a logic '1' or logic '0'. R = V/I resistance can be calculated given a signal voltage of 1.2 volts.
FuturePlus designs a probe and Agilant provides a logic analyzer. Both are used for logical ...
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