4155C datasheet(12/14 Pages) HP

12 / 14 page

Staircase Sweep with Pulsed Bias

Measurement Mode

This mode forces swept voltage or current,

and measures DC voltage or current. A

second channel can be programmed to

output a pulsed bias voltage or current. A

third channel can be synchronized with the

primary sweep channel as an additional

voltage or current sweep source.

Sampling (Time Domain)

Measurement Mode

This mode displays the time sampled

voltage/current data (by SMU) versus

time.

Sampling channels: up to 6

For sampling intervals < 2 ms, the number

of sampling channels is 1

Sampling points: 1 to 10,001/

(number of channels)

Sampling mode: linear

Sampling interval range:

60 μs to 2 ms, 10 μs resolution

2 ms to 65.535 s, 1 ms resolution

Hold time: -30 ms to -100 μs, 100 μs

resolution

Bias hold time: 0 s

Bias Hold Function

This function is used to keep source output

after measurement. Source modules apply

the speciﬁed bias between measurements

in a quick test or application test that

deﬁnes some classic test setups, or a

repeat measurement. Also, the source

modules change the output value and the

unused modules are disconnected when

the next measurement is started.

Current Offset Cancel

This function subtracts the offset current

from the current measurement

raw data, and returns the result as the

measurement data. It is used to compen-

sate the error factor (offset current) caused

by the measurement

path such as the measurement cables,

manipulators, or probe card.

Other Measurement Characteristics

Measurement Control:

Single, Repeat, Append, and Stop

SMU Setting Capabilities:

Limited auto ranging, voltage/current

compliance, power compliance,

automatic sweep abort functions

Arithmetic and Analysis Functions

User Functions

Up to 20 user-deﬁned functions can be

deﬁned using arithmetic expressions.

Measured data and pre-deﬁned variables

can be used in the computation, and the

results can be displayed on the LCD.

Analysis Capabilities

Overlay Graph Comparison

A graphics plot can be stored and overlaid.

Scale

Auto scale and zoom

Marker

Marker to min/max, interpolation, direct

marker, and marker skip

Cursor

Direct cursor

Line

Two lines, normal mode, grad mode,

tangent mode, and regression mode

Automatic Analysis Function

On a graphics plot, the markers and lines

can be automatically located using the

auto analysis setup. Parameters can be

automatically determined using automatic

analysis, user function, and read out

functions.

Data Variable Display

Up to 20 user-deﬁned parameters

can be displayed on the graphics

screen.

Analysis Functions

Up to 20 user-deﬁned analysis func-

tions can be deﬁned using arithmetic

expressions.

Measured data, pre-deﬁned variables

and read out functions can be used in

the computation, and the results can be

displayed on the LCD.

Read Out Functions

These built-in functions are for reading

various values related to the marker,

cursor, or line.

Graph Plot

Display Mode

The data display window can be printed.

Only the X-Y graph can be printed.

Graph Plot File

The graph plot can be stored as image data

to clip board or mass storage device.

File type: bmp, gif, png, emf

Output

Display Modes

X-Y graph, list display, and parameter display

X-Y Graph Display

X-axis and up to eight Y-axes

Linear and log scale

Real time graph plotting

List Display

Measurement data and calculated user

function data are listed in conjunction

with VAR1 step number or time domain

sampling step number. Up to 20 data sets

can be displayed.

Other Functions

Import/Export ﬁles

File type:

Agilent EasyEXPERT format,

XML-SS format, CSV format

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