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- 49
Function Details
SMU Ranging Mode
SMU Ranging Mode
Agilent B1500 provides the following operation modes for the measurement range
and the output range. The ranging mode must be set for each channel.
• “Auto Ranging”
• “Limited Auto Ranging”
• “Fixed Range”
• “Compliance Range”
• “Enhanced Auto Ranging for Current Measurement”
To Set Ranging Mode
The following points must be noted when setting the ranging mode.
For measurement
channels
• If
you do not specify the ranging mode, the auto ranging mode is set
automatically.
• For the channels that perform Vf/Vm (voltage force and voltage m
easurement)
or If/Im (current force and current measurement), the measurement range is
always the same as the output range.
• For measurement with pulse output, the measurem
ent channel uses the
compliance range or the specified fixed range. The channel cannot perform the
auto ranging operation or the limited auto ranging operation.
• For the HRSMU connected to the atto sense/switch unit (ASU), the 10 pA range
is the minimum for the auto ran
ging operation. To use the 1 pA range, select the
1 pA limited auto ranging mode or the 1 pA fixed range mode.
For output
ch
annels
• T
he auto ranging mode and the limited auto ranging mode are available for the
output channels.
• When the voltage output range or the voltage compliance range is changed, the
channel forces
0 V at that moment.