Series 2600 System SourceMeters Reference Manual Sweep Operation 5-5
Return to Section 5 topics 2600S-901-01 Rev. A / May 2006
Figure 5-3
Logarithmic staircase sweep
Delay
Delay
Delay
Delay
Stop
(10)
Measure
#1
Measure
#2
Measure
#3
Measure
#5
X = Measurement Point
X
X
X
X
Delay
X
Measure
#4
Log Points = 5
1
10
5.6234
3.1623
1.7783
Volts
Log
Scale
Start
(1V to 10V, five steps)
The programmable parameters for a log sweep include the source function,
channel, start and stop levels, delay (settling time), and the number of
measurement points for the sweep. The specified start, stop, and points
parameters determine the logarithmic step size for the sweep. The delay
parameter determines the time period before each measurement at each step.
Step size for the sweep in Figure 5-3 is calculated as follows:
Log Step Size
log10(stop) log10(start)–
Points 1–
------------------------------------------------------------------=
log10(10) log10(1)–
51–
-----------------------------------------------------=
10–()
4
-----------------=
0.25=
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