Electricity: electrical systems and devices – Safety and protection of systems and devices – High voltage dissipation
Patent
1983-10-06
1985-11-19
Moose, Jr., Harry E.
Electricity: electrical systems and devices
Safety and protection of systems and devices
High voltage dissipation
333 23, 361120, H02H 322
Patent
active
045546088
ABSTRACT:
A connector is provided for the suppression of electromagnetic impulses traveling along a radio frequency transmission line. Paired first and second electrical connectors are provided for being operatively interposed along the transmission line. First and second conductors are provided for electrically coupling the primary conductors and secondary conductors of one connector to their counterparts in the other paired connector. A discharge device or tube having a known breakdown voltage and a known capacitance is coupled between the first and second conductors. First and second capacitors are coupled in series respectively with the first and second conductors for blocking the flow of dc energy therethrough. The inductance of the first and second conductors are determined such that this inductance interacts with the capacitance of the discharge device, and the two capacitors and other stray capacitance of the combination thereof in order to produce a desired characteristic impedance, which is generally preferred to be equal to the characteristic impedance of the radio frequency transmission line, whereby the suppressor will dissipate electrical surges while representing a low standing wave ratio to radio frequency energy being transmitted along the line. The two capacitors prevent the flow of dc energy along the transmission line in order to protect the electronic equipment connected thereto.
In an alternate embodiment, a second capacitor and discharge device are utilized in order to provide additional differentiation and clamping of the impulse signal. An embodiment is also disclosed for inserting and removing a control signal along the center conductor.
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