Keithley 2651A Reference Manual

Section 4: Theory of operation Model 2651A High Power System SourceMeter® Instrument Reference Manual
4-12 2651A-901-01 Rev. A / March 2011
Figure 75: Model 2651A V-source load considerations
V-source
(V
S
)
V
s
ou
rc
e
V
I-meter
(I
M
)
V-source
(V
S
)
I-meter
(I
M
)
Operating
point
2 k
Ω
DUT
Load Line (R)
Current
compliance
limit line
Operating
point
I
M
= V
S
/ R
= 10 V / 2 kΩ
= 5 mA
V
S
= I
M
• R
= (10mA)(800 Ω)
= 8 V
8
0
0 Ω
DUT Loa
d Line (R)
Programmed voltage
source value line
Programmed voltage
source value line
Power
compliance
limit line
a
R
)
n
e
T
L
Current
compliance
limit line
A: Normal V-source operation
Programmed source value:
10 V
Actual source value:
10 V
B: V-source operation in current compliance
Programmed source value:
10 V
Actual source value:
8 V
Current
compliance
limit line
Power
compliance
limit line
C: V-source operation in power compliance
Programmed source value:
10 V
Actual source value:
4.8 V
Programmed voltage
source value line
I-meter
(I
M
)
5 mA
10 mA
10 V
5 V
5 mA
10 mA
10 V
5 V
5 mA
10 mA
10 V
5 V
I-source
(I
S
)
Power limited
current compliance
limit line
Operating
point
V
S
= I
M
• R
= (6 mA)(800 Ω)
= 4.8 V
8
0
0 Ω
DUT Loa
d Line (R)
X

Keithley 2651A Specifications

General

Brand	Keithley
Model	2651A
Category	Measuring Instruments
Language	English