Questions & Answers on DC Blocks

Mar 17, 2017

DC Blocks are components that prevent the flow of DC signals in to system, while allowing the higher frequency RF signals to pass through. DC Blocks placed within a system to stop any signal with a frequency of Zero Hz from interfering with sensitive RF components. The DC block can be thought of as a high-pass filter allowing only the RF frequencies to pass through and are usually designed by plac...read more

What is an Outer DC Block?

DC Blocks

Peter McNeil

Aug 21, 2017

An outer DC block is similar to an Inner DC block and an Inner/Outer DC block, with the exception that an Outer DC block only has a capacitor in series with the outer conductor. This type of DC block would be chosen if only the DC energy and low frequency power on the outer conductor of a coaxial cable is a concern.

What is an Inner/Outer DC Block?

DC Blocks

Answer

What is an Inner DC Block?

DC Blocks

Peter McNeil

Aug 21, 2017

An Inner DC block is a passive coaxial component which prevents the flow of direct current (DC), while passing the RF signals energy. In an inner DC block, this is accomplished by placing a filtering capacitor in between the center conductor of a coaxial transmission line. As a capacitor just a DC block, these types of DC blocks also attenuate lower frequency signals close to DC, while only minima...read more

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DC Blocks

Questions & Answers on DC Blocks

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