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- 33
Function Details
SPGU Module
Table 7-5 Output Timing for I/V Sweep, Multi Channel I/V Sweep, I/V List Sweep
Pulse output
conditions
Sour
ce Channel Operation
Starting During measurement After measurement Ending
Duration >
Meas
urement
time
SMU
s and
SPGUs start
output. The
source
output
sequence is
the
definition
order on the
Channel
Setup screen
(top to
bottom).
Then, sweep
s
ources
ou
tput the
start value,
constant
sources
output the
source
value, and
SPGUs
output the
base value.
The constant
s
ources
co
ntinue the
output until
Ending.
SPGUs start and continue
th
e pulse o
utput.
SMUs start and perform
sweep measurement
op
eration.
Sweep sources output
the start or
stop value set
by the Output Value
after Measurement.
SPGUs continue the
pulse outp
ut until the
specified time elapses or
the repeat count reaches
the specified number.
After that, SPGUs
output the base value.
If the bias
hol
d
funct
ion is
ON, all
source
channels
continue the
output.
Else, all
s
ource
output go
es
to 0 V in the
reverse order
of the
Channel
Setup
definition.
Free run
Sweep sources output
th
e start or
stop value set
by the Output Value
after Measurement.
SPGUs continue pulse
output.
If the b
ias hold function
is OFF, SPGUs ou
tput
the base value.
Duration <
Measurement
time
SPGUs s
tart the pulse
output.
SMUs start and perform
sweep measurement
op
eration.
SPGUs continue the pulse
output until
the specified
time elapses or the repeat
count reaches the specified
number. After that, SPGUs
output the base value.
Sweep sources output
th
e start or
stop value set
by the Output Value
after Measurement.
SPGUs output the base
value.