. The Bell System technical journal . High Voltage Power Supplies The high voltage, as required for radar receiver cathode-ray tube indicatorpurposes, varies from 2000 volts to 5000 volts, and for the TR tube keep-alive potentials of the order of 1000 volts must be provided. In these cases,however, the d-c current requirements are quite small and generally noregulation means are required for stabilization of the voltage, the stabilityof the primary source of power usually being sufficient. The design problems encountered in this type of power supply are con-cerned {)rimarily with the requireme
. The Bell System technical journal . High Voltage Power Supplies The high voltage, as required for radar receiver cathode-ray tube indicatorpurposes, varies from 2000 volts to 5000 volts, and for the TR tube keep-alive potentials of the order of 1000 volts must be provided. In these cases,however, the d-c current requirements are quite small and generally noregulation means are required for stabilization of the voltage, the stabilityof the primary source of power usually being sufficient. The design problems encountered in this type of power supply are con-cerned {)rimarily with the requirements of reliability of operation undersevere military ()])erating conditions, and furlhcr require that only circuitelements having well-defined factors of safety be employed in such appli-cations. Figure 76 illustrates a number of typical high-voltage transformer designswhich have been employed in mihtary radar systems during the past warperiod. Both air insulated and oil immersed types of structures are shown. THE RADAR RECEIVER 815. Fig. 75.—Flexseal treated open-core type power transformers as developed for air-borne radar application.
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