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Definition of "Crossed-Field Amplifier" |
A high-power electron tube that converts dc to microwave power by a combination of crossed electric and magnetic fields. / Crossed-Field Amplifier is a specialized vacuum tube, first introduced in the mid-1950s and frequently used as a microwave amplifier in very-high-power transmitters. / Pull-up resistor are used in electronic logic circuits to ensure that inputs to logic systems settle at expected logic levels if external devices are disconnected or high-impedance is introduced. They may also be used at the interface between two different types of logic devices, possibly operating at different power supply voltages. |
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