Accession Number : ADD013157

Title :   Frozen Wave Generator Jammer.

Descriptive Note : Patent, Filed 9 Apr 81, patented 1 Jan 85,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Gripshover,Ronald J ; Rinehart,Larry F

Report Date : 01 Jan 1985

Pagination or Media Count : 10

Abstract : A high peak power, broad band, radio frequency pulse generator generates square wave pulses at a high pulse repetition frequency for use in jamming of radar, data links, voice communication, or other radio frequency signals. The generator is constructed with one or more pairs of coaxial cable formed into opposite half loops. The cable is provided with an inner conductor and outer conductors with the outer conductor of each opposed loop attached to a spark gap switch while the inner conductor is continuous throughout the loops from one side of a matched impedance load, such as an antenna, to the other side of the load. The spark gap switch is provided with a pair of electrodes separated by a gap. The gap contains a dielectric medium having fast spark quenching characteristics and a high standoff voltage. Peak power for the generator is 10 to 100 kilowatts with a pulse repetition frequency of 1 to 100 kilohertz. (PATENT).

Descriptors :   *PATENTS, *RADAR JAMMING, *PULSE GENERATORS, *WAVEFORM GENERATORS, RADAR PULSES, RADIOFREQUENCY GENERATORS, COAXIAL CABLES, PULSE RATE, BROADBAND, SPARK GAPS, DIELECTRICS, LOOPS

Subject Categories : Radar Countermeasures
      Electrical and Electronic Equipment
      Active & Passive Radar Detection & Equipment

Distribution Statement : APPROVED FOR PUBLIC RELEASE