Quasi-passive, non-radioactive receiver protector device

Details Quasi-passive, non-radioactive receiver protector device Quasi-passive, non-radioactive receiver protector device

H - Electricity

02

H

H02H 9/04 (2006.01) H01J 17/06 (2006.01) H01T 2/00 (2006.01)

Patent

CA 2042681

- 24 - Abstract of the Disclosure QUASI-PASSIVE, NON-RADIOACTIVE RECEIVER PROTECTOR DEVICE A receiver protector device includes a sealed discharge chamber containing one or more pairs of spaced-apart, conical electrodes and an ionizable gas. A field emission array is mounted in the discharge chamber to provide a source of free electrons which assist in initiating a discharge when an RF input signal exceeds a desired threshold power level. The field emission array includes a substrate, a plurality of generally conical emitters distributed on the substrate, a conductive gate layer for extracting electrons from the emitters and a dielectric layer between the gate layer and the substrate. When a bias voltage is applied to the gate layer, electron are extracted from the emitters. The field emission array can be mounted adjacent to the electrodes or in a recess in one of the electrodes. The bias voltage can be supplied by a battery mounted on the receiver protector device external to the discharge chamber.

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