NI PXIe-4145 Product Detailed Introduction
Product Overview
NI PXIe-4145 is a high-precision, multi-channel source measure unit (SMU) produced by National Instruments (NI). It is widely used in the field of electronic test and measurement, and is particularly suitable for high-pin-count application scenarios, such as characteristic testing of semiconductor devices and efficiency measurement of power supplies.

Main Functions and Features
Multi-channel measurement: PXIe-4145 has 4 independent source measurement unit channels, each of which can be configured independently to achieve multi-channel simultaneous measurement.
High-precision measurement: With high-precision voltage and current measurement capabilities, it can accurately measure the characteristic parameters of the device.
Four-quadrant operation: Supports four-quadrant operation mode, which can source and measure the device.
Remote sensing: Each channel is integrated with remote (4-wire) sensing function, which can achieve more accurate measurement.
High sampling rate: High sampling rate helps to quickly capture the transient characteristics of the device.
Flexible configuration: Through NI-DAQmx software, various parameters of the instrument can be flexibly configured to achieve automated measurement.
PXI modular design: With PXI modular design, it can be easily integrated into various test systems.

Product application
Semiconductor device test: Used to measure IV characteristics, power characteristics, etc. of semiconductor devices.
Power supply efficiency measurement: Used to measure power supply efficiency, ripple and other parameters.
Battery test: Used to measure battery capacity, internal resistance and other parameters.
Electronic component test: Used to test the characteristics of various electronic components.
Technical parameters
Number of channels: 4
Voltage measurement range: ±6V
Current measurement range: ±500mA
Sampling rate: High
Accuracy: High