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How do I choose the proper filtering capacitance of a D-Sub connector to guarantee the required data rate is passed into the RF Enclosure?

April 26, 2017capacitance connector d-sub Data Rate filtering guarantee

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How do I choose the proper filtering capacitance of a D-Sub connector to guarantee the required data rate is passed into the RF Enclosure?

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A. JRE Test currently stocks filtered D-Sub connectors that will pass data rates up to 1000 MBPS. A capacitance of 1000pf is used for data rates speeds up to 10 MBPS, 310pf for speeds up to 50 MBPS, 100pf for speeds up to 100 MBPS, and 10pf for speeds up to 1000 MBPS. Pin counts vary depending on the manufacturer of the D-Sub connector. Higher capacitance filter networks provide higher levels of shielding effectiveness.