Pulse circuits

Details Pulse circuits Pulse circuits

1982-07-27

1984-11-13

Pellinen, A. D.

Electrical transmission or interconnection systems

Wave form or wave shape determinative or pulse-producing...

328 65, 331 87, 361409, H03K 345

Patent

active

044828160

ABSTRACT:
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 forming networks must each be capable of handling very large current 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.

REFERENCES:
patent: 3163782 (1964-12-01), Ross
patent: 3436687 (1969-04-01), Andrews, Jr. et al.
patent: 4090140 (1978-05-01), Carter
patent: 4160214 (1979-07-01), Colin et al.

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