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Amps Measurements
4-11
source resistance values for various measurement ranges. Note that the recommended source
resistance varies by measurement range because the R
F
value also depends on the measurement
range.
Table 4-2
Minimum recommended source resistance values
Range
Minimum Recommended
Source Resistance
pA
1G
Ω
to 100G
Ω
nA
1M
Ω
to 100M
Ω
µA
1k
Ω
to 100k
Ω
mA
1
Ω
to 100
Ω
Current Source
R
F
C
F
-
+
V
noise
R
S
C
S
V
S
V
O
Z
F
Z
S
Model 6514 Ammeter
Figure 4-5
Source resistance
and capacitance
Summary of Contents for 6514
Page 203: ...14 CommonCommands...
Page 207: ...15 SCPISignalOriented MeasurementCommands...
Page 235: ...18 PerformanceVerification...
Page 254: ...19 Calibration...
Page 274: ...20 RoutineMaintenance...
Page 278: ...A Specifications...
Page 282: ...B StatusandErrorMessages...
Page 288: ...C GeneralMeasurement Considerations...
Page 294: ...D DDCEmulationCommands...
Page 299: ...E ExamplePrograms...
Page 306: ...F IEEE 488BusOverview...
Page 320: ...G IEEE 488andSCPI ConformanceInformation...
Page 324: ...H CalibrationOptions...