JFW Industries, Inc. Datasheets for DC Blocks

DC blocks prevent the flow of direct current (DC) through radio frequency (RF) circuits. They serve as high-pass filters that prevent DC voltages, which have a frequency of zero Hertz (Hz), from interfering with sensitive RF components such as receivers. In other words, DC blocks are capacitors in series with a transmission line. They prevent the flow of DC energy while allowing RF signals to pass with little (if any) attenuation.  
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JFW's line of coaxial DC blocks offers superior performance with unrivalled flexibility. Our DC blocks can be easily integrated into almost any RF system. Here are some of the options...