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Wintest WTS-700 Analog and Mixed Signal Device Tester

Capable of testing multiple devices in parallel across a two-station quadruple-unit system, the WTS-700 enables us to test automotive devices at lower cost thanks to increased throughput rates at higher accuracy. The four measuring sites of the WTS-700 include:

a medium voltage, high current (36V/28A) unit
a multi-channel DC unit for every single pin
two medium-voltage units for different voltage and current ranges capable of floating measurements

Target Devices

Type	Example
Operation amplifiers	AD620, AD624
Regulators	LM317, L4925
Drivers	IR2110, IR2113
Hside switches	VN920, VN610
Comparators	LM139, LM339
Analog switches	ADG411, ADG406
Motor drivers	VN770K, L9947
Others	Linear ICs, discrete components

Tester Configuration

Unit	Performances
Analog Pin Measure Unit	12 channels/board x 2 = 24 channels Independent VFIM/IFVM/VM measuring of every pin 14 bit/pin resolution, 16 bit/board Delta-function adds ΔDAC output to the APMU pin
Medium Power Pin Unit	Two types for different ranges Measures higher voltages and currents at an accuracy superior to APMU Two-channel loading VFIM/IFVM/VM DC and pulse measuring modes Handles floating voltage
HPS High Current Unit	One-channel loading High voltage & current VFIM, IFVM measuring (4 quadrant performance) ±36V/28A = 1kW (MAX)
Digital Multimeter	Resolution: 6 1/2 digits (up to 1000V) Input range: 0.1V, 1V, 10V, 100V, 1000V Fundamental DC accuracy: 0.0015% Fundamental AC accuracy: 0.06%

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