frequency inductance Function: isolates AC information to prevent frequency leakage into the power supply system. Benefit: helps reduce interference, protects power rails, and improves overall signal integrity. Isolation capacitance Function: isolates DC to prevent DC voltage from leaking to subsequent circuits or test instruments. Benefit: enhances safety and protects downstream devices and measurement accuracy. Quality and origin Brand and . Applications Suitable for broadband amplifiers, optical fiber communication, optical modulation drive, and other test and measurement applications. Use scenarios Scenario 1: In a broadband amplifier test rig, the frequency inductance blocks frequency noise from coupling into the power supply, keeping the amplifier and measurements stable. Scenario 2: In an optical fiber communication test setup, the isolation capacitance prevents DC leakage from the device under test to measurement instruments, improving reading accuracy. Scenario 3: In an optical modulation drive circuit, the isolation features prevent DC leakage into downstream modules or test equipment, increasing safety and reliability. Notes Size, material, and exact performance specifications are not provided in the description. This product focuses on function and applicability for AC isolation and DC isolation in the listed applications.