GW Instek LCR-800 Series - Manual (Page 10)

GETTING STARTED
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LCR-800 User Manual
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Fixture Connection
Fixture structure
Background The standard fixture is a four-wire type (Kelvin 4
wire). The outer terminals (Hforce and Lforce)
provide the current and the inner terminals
(Hsense and Lsense) measures the potential.
Diagram
Description HFORCE Carries the signal current source.
Connected to the + side of the device
under test.
HSENSE Together with Lsense, monitors the
Potential. Connected to the + side of
the device under test.
LSENSE Together with Hsense, monitors the
Potential. Connected to the – side of
the device under test.
LFORCE Accepts the signal current return.
Connected to the – side of the device
under test.
GND If the test component has a large
metal area NOT connected to either
of the terminals, connect to the GND
input to minimize noise level.