This allows for the DUT
or calibration standard to be the only change between calibration and measurement.
The coupling between the probe and the DUT
can change when the distance is altered or the probe vibrates.
] is the reflection coefficient of the DUT
, and [S.
Other methods require separate measurements of DUT
current and voltage in NDC cases and then calculation of dG.
Alternatively, the Berkeley SPICE 3 (automatically installed with IConnect) can be linked for achieving quick/efficient comparison of the DUT
TDR measured and simulated data.
An accurate measurement can be made if one has a measurement system that can handle a small carrier drift or a system that can phase-lock a low noise reference source to the DUT
Boundary-scan connection tests use the in-circuit tester DUT
nodal access to verify that boundary-scan device I/O pins are connected to the DUT
printed circuit board (PCB) as expected.
For stress testing, however, a device-specific guideline must be created, based on the "capabilities" of the DUT
A second measurement was performed using an InGaAs photodiode as DUT
and measuring the spectral transmittance of a NIR laser mirror which has very high transmittance ([approximate]80%) in the NIR except for a very low-transmittance ([less than]0.
Signals to channels 1 and 2 were then turned off and only the normalized response was employed for DUT
Another approach to adding voltage compliance is placing a protection circuit in parallel with the DUT
A test fixture is needed to act as an electrical and mechanical interface from the RF test system to the DUT