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DC Blocks

APITech DC Blocks are coaxial components that prevent the flow of direct current (DC) frequencies while offering minimum interference to RF signals. DC Blocks are available in Inner Only, Outer Only and Inner/Outer designs. With DC Block frequencies range from 7kHz to 50GHz and voltage ratings 10V to 950V. DC Block applications include ground loop elimination, signal source modulation leakage suppression, system signal-to-noise ratio improvement, test setup isolation and other situations where undesired DC flows.

DC Blocks are best suited for applications in defense, commercial wireless, quantum computing, and test and measurement. 

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Inmet DC block have a capacitors which preventing the flow of audio and direct current (DC) frequencies while offering minimum interference to RF signals up to 50GHz. Insulation material on the outer DC block is a PEEK shell.
A variety of DC blocking coaxial terminations. Inmet Products
Inside DC Block (N, 18 GHz) Weinschel Product
Inside DC Block (SMA, 20 GHz) Weinschel Product