Importance

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Abstract

A filter connector is disclosed having a compound filter with two filter elements (20,22) connected in cascade in the filter contact (14). Separate ground plates (40,50) are provided for each of the filter elements (20,22). Each filter element, such as a pi section filter, is provided with an electrode arrangement which facilitates connection of filter elements in cascade and minimizes susceptibility to flash-over between electrodes. The filter element comprises a center conductor (74) with a dielectric sleeve (100) coaxially thereof. A ground electrode (80) is disposed on the external surface of the sleeve, one active electrode (78) extends from the internal surface to the external surface of the sleeve over one end surface thereof and another active electrode (82) extends from the internal surface to the external surface of the sleeve over the other end surface thereof. The marginal space between the active electrode (78) and the ground electrode (80) is on the external surface of the sleeve and is coated with a dielectric material (108). Similarly, the marginal space between the active electrode (82) and the ground electrode (80) is coated by a dielectric material (116).

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First Claim