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9-6 Sweep Operation Models 2500 and 2502 User’s Manual

Conﬁguring and running a sweep

Front panel sweep operation

Conﬁguring a sweep

The sweep conﬁguration menu is structured as follows and shown in Figure 9-5. Note that

bullets indicate the primary items of the sweep menu and dashes indicate the options of

each menu item. Using Section 1, “Rules to navigate menus,” go through the following

menu to select and conﬁgure the desired sweep.

NOTE Before conﬁguring a sweep, press SRC1 or SRC2 to select the channel to be

used for the sweep. You can also switch between channel 1 and channel 2 by

pressing SRC1 or SRC2 while in the CONFIGURE SWEEPS menu.

CONFIGURE SWEEPS menu:

Press CONFIG then SWEEP to display the sweep conﬁguration menu.

• TYPE — Use this menu item to select the type of sweep:

– NONE – Disables all sweeps.

–STAIR – When the linear staircase sweep is selected, you will be prompted to enter

the START, STOP, and STEP levels.

– LOG – When the logarithmic staircase sweep is selected, you will be prompted to

enter the START and STOP levels and specify the number of measurement points.

– CUSTOM – With the custom sweep selected, you specify the number of measure-

ment points (#-POINTS) in the sweep and the source level at each point (ADJUST-

POINTS). With the INIT option, you can set a consecutive range of measurement

points in the sweep to a speciﬁc level. For example, assume that for a 20-point cus-

tom voltage sweep (# POINTS = 20), you want points 10 through 15 to be set for

1V. After selecting the INIT option, set the VALUE to +1.000000V, set the START

PT to 10, and set the STOP PT to 15.

• SWEEP-COUNT — Use this menu item to specify how many sweeps to perform:

– FINITE – Use this option to enter a discrete number of sweeps to perform with the

results stored in the data store buffer. The maximum number of ﬁnite sweeps that

can be performed is determined as follows:

maximum ﬁnite sweep count = 3000 / # Points in sweep

– INFINITE – Select this option to continuously repeat the conﬁgured sweep. Use

the EXIT key to stop the sweep. Data is not stored in the buffer.

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Keithley 2500 User Manual

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