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General Information
Residual Inductance of the Shorting Bar
Figure 1-1
Applicable DUT Size
Residual Inductance of the Shorting Bar
The usual method to compensate the test fixture's residual inductance is to let
SHORT = 0H. In this method, the measurement result is the relative value of
the measured impedance to the shorting bar's impedance. The short bar's
residual inductance as a result of its size and shape is not estimated.
On the other hand, there is a definition method to let SHORT = x H. In this
method, the measurement result is the absolute value of the device's
impedance. The short bar's residual inductance as a result of its size and shape
is estimated under specific conditions and is used as a reference value. This
method, is useful for devices with values which are close to the short
conditions of the measurement system.
The reference inductance values presented
simulated as the relative difference to a disk-type 0 Ω termination on either the
7 mm or the 3.5 mm connector. The measurement of these short bars under
other conditions than shown below cannot reproduce the reference inductance
values.
Table 1-2
Option 701 Shorting Device Residual Inductance (Typical)
Shorting Bar
P/N 16191-29001
P/N 16191-29002
P/N 16191-29002
P/N 16191-29002
P/N 16191-29003
P/N 16191-29004
10
l [mm]
d [mm]
h [mm]
1
2.4
1
1.6
2.4
2
2
2.4
1.6
2.4
2
1.6
3.2
2.4
2.4
4.5
2.4
2.4
Table 1-2
Offset [mm]
Connector
0.75
3.5 mm
0.45
3.5 mm
0.25
3.5 mm
1.3
7 mm
0.9
7 mm
0
7 mm
Keysight 16192A Parallel Electrode SMD Test Fixture
and
Table 1-3
were
Inductance (Typical)
0.2 nH
0.2 nH
0.2 nH
0.7 nH
0.6 nH
0.6 nH
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