User`s guide
Table Of Contents
- User’s Guide
- 1 Getting Started
- 2 Introduction
- 3 Installation
- 4 Using EasyEXPERT
- 5 Classic Test Definition
- I/V Sweep
- Multi Channel I/V Sweep
- I/V List Sweep
- I/V-t Sampling
- C-V Sweep
- Direct Control
- Function Setup
- Auto Analysis Setup
- Display Setup
- SMU Range Setup Window
- ADC and Integration Time Setup Window
- Advanced Setup Window
- CMU Range Setup Window
- Advanced Setup Window for C-V Sweep
- Switching Matrix Control
- SPGU Control
- SPGU Pulse Setup Window
- Load Z Setup Window
- Pulse Switch Setup Window
- SPGU ALWG Setup Window
- Define ALWG Waveform Window
- 6 Application Test Definition
- 7 Function Details
- I/V Sweep Measurement
- Multi Channel I/V Sweep Measurement
- I/V-t Sampling Measurement
- C-V Sweep Measurement
- SPGU Module
- Sweep Abort Function
- Standby Function
- Bias Hold Function
- Current Offset Cancel
- SMU CMU Unify Unit
- Atto Sense and Switch Unit
- SMU/PG Selector
- SMU Ranging Mode
- SMU Compliance
- SMU Pulse
- SMU Measurement Time
- SMU Filter
- SMU Series Resistor
- Interlock Function
- Auto Power Off Function
- Initial Settings
- 8 Built-in Programming Tool
- 9 If You Have a Problem
- When You Operate B1500A
- When You Perform Measurement
- Measurement Takes More Time than Specified
- Noise Affects the Measured Values
- Voltage Measurement Error is Large
- SMU Oscillates for High-Frequency Device Measurements
- SMU Oscillates for Negative Resistance Measurements
- Large Current Causes High Temperature (Thermal Drift)
- Measurement Damages the Device under Test
- Leaving Connections Damages Devices after Measurement
- Unexpected Sampling Measurement Data is Returned
- MFCMU Causes Unbalance Condition
- Before Shipping to Service Center
- Data Backup and Recovery
- B1500A System Recovery
- Updating EasyEXPERT
- Error Codes
- 10 Application Library and Utilities

7- 32 Agilent B1500 User’s Guide, Edition 7
Function Details
SPGU Module
Table 7-4 Output Timing for I/V-t Sampling, Sequential
Pulse output
conditions
So
urce Channel Operation
Starting During measurement After measurement Ending
Duration >
Meas
urement
time
Excep
t for the
last SMU,
SMUs start the
source value
output. And
SPGUs and the
last SMU start
the base value
output. The
source output
sequence is the
definition order
on the Channel
Setup screen
(top to bottom).
SMUs start
sam
pling
measurement
oper
ation.
After the base hold
tim
e, the last SMU start
the
source value output
and SPGUs start pulse
output simultaneously.
SMUs continue the source
v
alue output and SPGUs
continue pulse output until
the specified time elapses
or the repeat count reaches
the specified number.
After that, the last SMU
ou
tputs t
he base or source
value set by the Output
Value after Measurement,
and SPGUs output the base
value.
If the bias
hol
d
functi
on is
ON, all
source
channels
continue
the output.
Else, all
s
ource
output
goes
to 0 V
in the
reverse
order of
the
Channel
Setup
definition.
Free run The last SMU outputs the
ba
se or sou
rce value set by
the Output Value after
Measurement, and SPGUs
continue pulse output.
If the bias hold function is
OFF, SPGUs outp
ut the
base value.
Duration <
Measurement
time
A
fter the base hold
time, the last SMU start
the source value output
and SPGUs start pulse
output simultaneously.
After the specified time
elapses or th
e repeat
count reaches the
specified number,
SPGUs output the base
value.
The last SMU outputs the
ba
se or sou
rce value set by
the Output Value after
Measurement, and SPGUs
output the base value.