Impedance Analyzer: Precision Instrument for Measuring Electronic Component Impedance Characteristics

An impedance analyzer is a specialized electronic instrument used to measure the impedance characteristics of electronic components, circuits, and material elements. It is capable of characterizing the impedance of devices and materials over a range of frequencies, making it suitable for applications in various fields including material science and electronic circuit design.

Operating Principle
The core principle of an impedance analyzer relies on phase-sensitive detection technology, which measures the current and voltage responses of the device under test during frequency scanning. Specifically, the analyzer accurately measures the magnitude and phase of complex impedance as it varies with frequency.

Key Parameters
• Frequency Range: Specifies the range of frequencies over which the impedance analyzer can perform tests.
• Impedance Range: Indicates the range of impedance values that can be measured.
• Accuracy of Magnitude and Phase: Ensures precise measurement of impedance magnitude and phase angle.
• Measurement Speed: Refers to the rate at which the impedance analyzer conducts measurements.
• Biasing Functionality: Allows the application of voltage or current bias during testing.

Applications
• Electronic Components: Used for measuring the impedance characteristics of resistors, capacitors, and inductors.
• Electronic Circuits: Analyzes impedance matching and optimizes circuit performance.
• Material Science: Characterizes the impedance properties of dielectric materials such as biological tissues, foods, and geological samples.
• Research and Development: Provides essential impedance data support for researching new materials and developing high-performance electronic devices.

LS90_Impedance analyzer

Conclusion
The impedance analyzer serves as a crucial tool in the field of electronic testing, offering precise measurement capabilities and supporting technological advancements in various domains. By measuring the frequency-dependent characteristics of complex impedance, the impedance analyzer provides reliable data for electronic components, circuit design, and material science, thereby driving innovation and development in diverse technological fields.

LS70/80 series impedance analyzer is mainly used for ferroelectric, piezoelectric ceramics, piezoelectric crystals, ultrasonic transducers and other devices impedance analysis and testing. It’s the frequency scanning and impedance measurement and analysis of piezoelectric devices and equipment value solution and it can quickly and easily test the parameters of piezoelectric devices.

LS90 series impedance analyzer can be widely used in such as inductors, capacitors, resistors, microphones, resonators, liquid crystal displays, varactor diodes, transformers and other impedance performance research and production line QC inspection.

In addition to the function of computer scanning analysis, it also provides the function of direct display of impedance – frequency scanning curve analysis of piezoelectric devices on the instrument. This eliminates the need for a computer for each instrument. This method not only ensures the test efficiency, but also reduces the test cost, and is convenient for customers to use in the production line. At the same time, the product uses the principle of vector testing, and its good measurement accuracy, ultra-wide frequency range and excellent stability can meet most of the measurement requirements of ultrasonic devices and materials.

Impedance analyzer is equipped with RS232C, USB DEVICE, USBHOST, HANDLER interface, and optional RS485 interface, GPIB interface. It can easily communicate with PC data and remote control in order to establish an automatic test system.
LS8590 series uses automatic balance bridge technology and four-terminal Kelvin test terminal. The measurement frequency range covers 20Hz~25MHz, the minimum resolution of 1mHz. The basic measurement accuracy can reach 0.05%.