Abstract: A radiation tolerant electrical component is provided without a radiation hardened material FET. A p-channel MOSFET provides switching capabilities in radiated environments because its gate voltage starts at a negative value and becomes more negative with exposure to radiation. Therefore, the gate is still controllable when exposed to radiation.

Abstract: The present invention provides a radiation-tolerant, solid-state-relay without radiation-hardened parts. In further detail, the solid-state-relay includes a non-hardened P-channel MOSFET, a low power storage of voltage gain and a feedback signal with the low power stage of voltage gain being relatively insensitive to radiation effects.

Abstract: A method of producing an economical DC/DC converter that efficiently produces a relatively low output voltage and operates in a high ionizing radiation dose environment such as found in spacecraft and particle accelerator applications. That is, the converter comprises two P-channel FETs, a switching means for switching conductivity between the two P-channel FETs, and output means for outputting an output voltage. The output voltage being a step-down voltage that is unaffected by high-ionizing radiation such that is found in space or particle accelerators.

Abstract: A radiation-tolerant inrush limiter is provided. The inrush limiter does not incorporate radiation-hardened parts, but instead uses an ordinary (non-hardened) p-channel FET to provide switching functionality.

Abstract: A radiation tolerant electrical component is provided without a radiation hardened material FET. A p-channel MOSFET provides switching capabilities in radiated environments because its gate voltage starts at a negative value and becomes more negative with exposure to radiation. Therefore, the gate is still controllable when exposed to radiation.

Abstract: The present invention provides a radiation-tolerant-solid-state-relay without radiation-hardened parts. A p-channel MOSFET provides power-switching functionality. In further detail, the solid-state-relay comprises a bias section, a control section, and a power-switch section. The bias section provides a voltage bias to the control section, the control section provides a control voltage to the power switch section as a function of the voltage bias, and the power switch section provides a switching voltage to the P-channel MOSFET as a function of the control voltage.

Abstract: A radiation tolerant high-power DC/DC converter is disclosed. The converter does not incorporate radiation-hardened parts, but instead uses p-channel FET switches that have a negative gate threshold voltage. With exposure to radiation, the gate threshold voltage decreases, becoming more negative. Thus, the gate is still controllable.

Abstract: A radiation tolerant electrical component is provided without a radiation hardened material FET. A p-channel MOSFET provides switching capabilities in radiated environments because its gate voltage starts at a negative value and becomes more negative with exposure to radiation. Therefore, the gate is still controllable when exposed to radiation.

Abstract: A method and apparatus for substantially reducing the problems associated with prior methods and apparatus for measuring the RF characteristics of electronic circuitry. The method and apparatus allow “in-package” testing of microwave modules, or subassemblies, without the need for additional test fixtures. Preferably, the testing is based on a discontinuous transmission line and at least one waveguide. The discontinuous transmission line electrically isolates two or more modules so that they may be tested individually. The discontinuous transmission line may then be connected using, for example, a ribbon bond. Once the transmission line is connected, the two modules may be capable of communicating with one another. One advantage of the method and apparatus is that the RF characteristics of one or more modules may be determined in their actual operating environment.

Abstract: A circuit for providing from a low voltage input, a high voltage output to a segmented electroactive actuator, wherein each of the segments function as a filter capacitor and a load, comprising a transformer, an input switching means, input coupling means and voltage converter means. The transformer has a primary and a plurality of secondary windings, and the input coupling means couples the low voltage input to the primary winding. The input switching means is coupled to the primary winding for permitting current to flow through the primary winding. The voltage converter means is coupled to each of the secondary windings and comprises output coupling means for coupling to said filter capacitors and when so coupled, the voltage converter means provides a plurality of output voltages in series and wherein each output voltage is generated across each of the filter capacitors of the segments.