Comprehensive Analysis of EMI Emissions Using LISUN EMI-9KB EMI Test Receiver

Abstract
Electromagnetic interference (EMI) emissions are a critical concern in modern electronic device design and testing. The LISUN EMI-9KB EMI Test Receiver is a state-of-the-art automatic EMI testing system designed to evaluate conducted and radiated interference. This paper delves into the capabilities of the EMI-9KB system, its compliance with international standards such as CISPR16-1, CISPR15, GB17743, FCC, EN55015, and EN55022, and its application in EMI emissions testing. The system’s technical specifications and operational methodologies are explored in detail, along with sample data to illustrate its accuracy and reliability.

Introduction
Electromagnetic interference (EMI) emissions can disrupt the operation of electronic devices, leading to performance degradation and compliance issues. Regulatory bodies worldwide mandate rigorous EMI emissions testing to ensure device reliability and safety. The LISUN EMI-9KB EMI Test Receiver is a robust tool engineered to streamline EMI emissions testing for compliance with global standards.
This paper examines how the EMI-9KB facilitates EMI emissions testing, emphasizing its compliance with international standards and its ability to perform precise, automated measurements.

EMI-9KB EMI Test Receiver Overview
The LISUN EMI-9KB is a fully automated EMI emissions testing system that supports both conducted and radiated interference measurements. Its design aligns with CISPR16-1 standards, ensuring compatibility with various regulatory frameworks. The receiver is widely used in industries ranging from lighting to automotive and telecommunications.

Key Features of EMI-9KB EMI Test Receiver
• Frequency Range: 9 kHz to 30 MHz (conducted) and 30 MHz to 1 GHz (radiated).
• Automated Testing: Comprehensive software integration for seamless operation.
• Standard Compliance: Meets CISPR16-1, CISPR15, GB17743, FCC, EN55015, and EN55022 requirements.
• Data Accuracy: High sensitivity and dynamic range ensure precise measurements.
• User-Friendly Interface: Intuitive software for efficient test setup and execution.

Applications in EMI Emissions Testing
Conducted Emissions Testing
Conducted emissions testing evaluates EMI emissions transferred through power lines. The EMI-9KB simplifies this process by integrating a Line Impedance Stabilization Network (LISN), ensuring accurate measurements of emissions in the frequency range of 9 kHz to 30 MHz.
Sample Data: Conducted Emissions Measurement.

Frequency Range (MHz)	Measured Level (µV)	Limit Level (µV)	Pass/Fail
0.15 – 0.50	120	150	Pass
0.50 – 5.00	95	100	Pass
5.00 – 30.00	70	80	Pass

Radiated Emissions Testing
Radiated emissions testing focuses on EMI emissions transmitted through the air. The EMI-9KB’s precision antennas and advanced filtering technologies ensure reliable measurements in the 30 MHz to 1 GHz range.

Sample Data: Radiated Emissions Measurement

Frequency Range (MHz)	Measured Field Strength (dBμV/m)	Limit Field Strength (dBμV/m)	Pass/Fail
30 – 100	40	50	Pass
100 – 300	35	45	Pass
300 – 1000	30	40	Pass

Technical Specifications
The EMI-9KB’s technical parameters enable comprehensive EMI emissions testing. Key specifications include:

Parameter	Specification
Frequency Range	9 kHz – 1 GHz
Frequency Resolution	10 Hz
Dynamic Range	>100 dB
Measurement Accuracy	±2 dB
Pre-selection Filter	Integrated
Interfaces	USB, LAN

Compliance with Standards
The EMI-9KB’s adherence to global standards ensures its applicability across multiple industries. Its compliance with CISPR16-1 guarantees reliable results for electromagnetic compatibility (EMC) testing. Additional compliance with CISPR15, GB17743, FCC, EN55015, and EN55022 broadens its usability in diverse regulatory environments.

Advantages of the EMI-9KB EMI Test Receiver
• Time Efficiency: Automated test sequences reduce testing time.
• High Precision: Advanced filtering and dynamic range ensure accurate data.
• Cost-Effectiveness: Eliminates the need for outsourcing testing, reducing long-term costs.
• Versatility: Compatible with a wide range of devices and standards.

Conclusion
The LISUN EMI-9KB EMI Test Receiver is a powerful tool for EMI emissions testing, providing precise, reliable, and efficient performance. Its compliance with international standards makes it an indispensable asset for manufacturers aiming to meet regulatory requirements. By adopting the EMI-9KB, industries can enhance their product quality and ensure electromagnetic compatibility, contributing to a safer and more reliable technological landscape.

Tags：EMI-9KB