H - Electricity – 03 – K
Patent
H - Electricity
03
K
356/16, 343/60,
H03K 3/00 (2006.01) G01S 7/28 (2006.01) G01S 7/282 (2006.01) G01S 13/10 (2006.01) G01S 13/26 (2006.01) G01S 13/76 (2006.01) H03K 3/57 (2006.01) H05K 1/16 (2006.01) H05K 1/14 (2006.01)
Patent
CA 1189980
Abstract Pulse Circuits A pulse circuit forms part of a radar transmitter in which a pulse forming network is used to generate a high current pulse at relatively low voltage and to feed it via a transformer to a magnetron which operates at typically 30 kV. A number of pulse forming networks are connected in parallel and are discharged by respective thyristors. The outputs of the pulse forming networks are combined so as to provide a low voltage pulse (of the order of 600 volts) having sufficient power to drive a radar transmitter. The pulse form- ing networks must each be capable of handling very large currents and must have characteristics which are identical to each other. To enable these requirements to be met, each pulse forming network includes an inductor which is formed as a coiled thin conductive layer lying on the surface of an electrically insulating board. It is formed by printed circuit board techniques and a mirror image coil is formed on both sides of a double sided printed circuit board. All pulse forming networks are connected-via a common double sided printed circuit board to the primary winding of a pulse transformer.
408852
Barker Anthony T.
Richardson Robert
Bereskin & Parr
Marconi Company Limited (the)
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