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LCR Meters: Selecting Precision Equipment for Low, Mid, and High Frequency Impedance Measurements [VIDEO]

For magnetics and passive component testing, measurement of the electrical behavior and characterization of capacitors, inductors, resistors, and wound components to the most current of specifications is essential. Characterization tests include inductance, capacitance, resistance, impedance, dissipation factor, quality factor, leakage current, and insulation resistance. In addition, equipment should also test switches, connectors, lead wires, conductive, dielectric material, magnetic material, and semiconductor components.

This seminar covers Chroma LCR test instruments that not only analyze the characteristics of components but also help to optimize the entire application process including automated manufacturing assessment, incoming and outgoing material inspection, quality verification, and R&D analysis in order to meet low cost, high efficiency requirements.

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How to Use RF Impedance Measurements to Ensure the Quality of Miniaturized Power Inductors

Most high-frequency and miniaturized power inductors are metal molding-type inductors. The magnetic metal powder surfaces are usually treated with an oxide layer to reduce eddy current losses at high frequencies, enhancing the usable frequency range and reducing losses and temperature rising. However, users typically cannot determine the particle size of the magnetic material and the integrity of the oxide layer after molding and sintering through visual inspection alone.

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Leveraging Certificate Management Tools for Comprehensive EVSE Plug & Charge (PnC) Testing

Chroma’s PowerPro 5 software, part of its comprehensive EV test system solution, features a Certificate Management Tool that allows users to load specific certificate files (*.p12, *.pem). Using designated OEM agreements and contract certificates, the software automatically performs public/private key encryption and decryption during the test to achieve the handshake and payment processes required for ISO 15118 PnC testing.

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