Keithley 4200-SCS Reference Manual page 886

Section 11: Pulse Source-Measure Concepts
Example 4: Maximum Voltage and Current, High Speed Range
V = I * R
V
MAX
R
DUT
I
MAX
I
MAXDUT
V
MAXDUT
These I
calculations do not incorporate any cabling or interconnect losses, that may range from 1 Ω up to
10-20 Ω, depending on the interconnect method and DUT type (packaged or on-wafer).
Example 5: Maximum Voltage and Current, High Voltage Range
V = I * R
V
MAX
R
DUT
I
MAX
I
MAXDUT
V
MAXDUT
These I
not incorporate any cabling or interconnect losses, that may range from 1 Ω up to 10-20 Ω,
depending on the interconnect method and DUT type (packaged or on-wafer).
Table 11-2
for the two output ranges available on each pulse card channel. Note the calculated current and
voltage values do not include any cabling or interconnect losses, that reduce both the maximum
available V
11-18
= 10 V for High Speed Range
= 5 Ω
= V / / R = V
MAX TOTAL
= 10 V / (50 Ω + 5 Ω) = 10 / 55 = 0.182 A
= I * R = 0.182 A * 5 Ω = 0.91V
MAX DUT
and V values match the values in Table 1 for the 5 Ω row. Note that these
MAX MAX
= 40 V for High Voltage Range
= 250 Ω
= V / / R = V
MAX TOTAL
= 40 V / (50 Ω + 250 Ω) = 40 / 300 = 0.133 A
= I * R = 0.133 A * 250 Ω = 33.3V
MAX DUT
and V values match the values in Table 2 for the 250 Ω row. These calculations do
MAX MAX
and Table 11-3 below show the maximum current and voltage for various R
and I .
DUT DUT
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/ (R + R
MAX pulse generator
/ (R + R
MAX pulse generator
Section Topics
Model 4200-SCS Reference Manual
)
DUT
)
DUT
4200-901-01 Rev. S / May 2017
values
DUT