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

Agilent B1500 User’s Guide, Edition 7 7- 31
Function Details
SPGU Module
Table 7-3 Output Timing for I/V-t Sampling, Simultaneous
Pulse output
conditions
So
urce Channel Operation
Starting During measurement After measurement Ending
Duration >
Meas
urement
time
SM
Us and
SPGUs start
the base value
output
simultaneously.
SMUs start
sampling
measurement
oper
ation.
After the base hold
tim
e, SMUs start th
e
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, SMUs output
the b
ase or
source value set
by the Output Value after
Measurement, and SPGUs
output the base value.
If the bias
hold
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 SMUs output the base or
s
ource value set b
y 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, SMUs 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.
SMUs output the base or
s
ource value set b
y the
Output Value after
Measurement, and SPGUs
output the base value.