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

9-4 Agilent B1500 User’s Guide, Edition 7
If You Have a Problem
When You Operate B1500A
ASU is not Detected
If Agilent B1500A/EasyEXPERT cannot detect ASU (atto sense/switch unit), turn
B1500A off, check the cable connection, and reboot B1500A/EasyEXPERT.
For the installation and connection of ASU, see “To Connect ASU” on page 3-17.
NOTE Connect ASU to dedicated HRSMU
The specifications are satisfied and guaranteed for the exclusive combination of the
ASU and the HRSMU. So confirm the serial number of the ASU and connect it to
the dedicated HRSMU properly.
External GPIB Devices are not Detected
If Agilent B1500A/EasyEXPERT cannot detect external GPIB devices, do the
following troubleshooting.
1. Turn B1500A and external GPIB devices off, check the GPIB cable connection,
and reboot the dev
ices and B1500A/EasyEXPERT.
2. If the problem still remains, confirm if B1500A is set to the system controller.
See “To Enable System Controller” on page 3-10.
3. If the problem still remains, confirm if B1500A is connected to USB0. Open
Agilent Co
nnection Expert, check Instrument I/O on this PC. The USB0 in this
area must show the information as shown below.
USB0
+ B1500A(USB0::xxxx::x::xxxx::x::INSTR)
+ agb1500a
+ UsbDevice1
If the problem still remains, perform Agilent B1500 system recovery. To perform
recovery, see “B1500A System Recovery” on page 9-19.