Abstract: A modular modulator having a high voltage supply source and a separating circuit connected at its input to the high voltage supply source. The output of the separating circuit is connected to a pulse generating circuit which is itself connected by a coupling circuit to a transmission tube. The pulse generating circuit contains a plurality of elementary delay cells. The delay cells are each connected to the coupling circuit by means of at least one switching circuit and the electrodes for triggering the switching circuits are connected to a control circuit which emits signals in sequence at different predetermined times. Triggering the switching circuits enables thus by the discharge of the elementary cells a resultant signal made up of elementary pulses of predetermined length to be generated.

Abstract: A transformer for high-power pulses, inserted between a plurality of parallel-connected low-impedance power-modulator modules and a load, has a composite primary winding formed from an outer and an inner prismatic sheet-metal layer of five and three turns, respectively, conductively interconnected at the top and provided with respective terminal tabs at the bottom. The layers are so wound that their magnetic fluxes, induced in a core surrounded by the winding, oppose each other to give the effect of a single-layer two-turn winding, yet with elimination of the spacing between the terminals otherwise necessary and of the corresponding parasitic impedance.