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The design of a high power gyroklystron amplifier operating with circular TE011 cavity modes is presented. The amplifier will be driven by a 70-kV, 6-A electron beam with a pitch angle (vt/vz) of 1.4 and velocity spread of 2.4% generated by a double-anode magnetron injection gun (MIG). The amplifier is predicted by particle-in-cell simulation to generated 145 kW at 94.1GHz with 35% efficiency, 38-dB...
The design of a high power gyroklystron amplifier operating with circular TE011 cavity modes is presented. The amplifier will be driven by a 70-kV, 6-A electron beam with a pitch angle (vt/vz)of 1.4 and velocity spread of 2.4% generated by a double-anode magnetron injection gun (MIG). The amplifier is predicted by particle-in-cell simulation to generated 145 kW at 94.1GHz with 35% efficiency, 38-dB...
A pulse prototype of a W-band TE01 mode gyrotron traveling-wave tube (gyro-TWT) amplifier is designed, and it features high gain and broadband capabilities. Theoretical investigation predicts that, when the magnetic injection gun (MIG) is optimized to generate an electron beam of voltage 70 kV, current 3 A, high pitch factor 1.5, and low axial-velocity spread about 5%, the gyro-TWT amplifier is of...
High-speed data transceiver circuits employ several techniques for dealing with noise, such as using differential architectures. However, under certain circumstances, a transceiver's dominant noise can be bounded and band-limited; and in those cases simpler noise cancellation circuits may suffice. For such transceivers we have designed a tracking circuit to effectively suppress noise. In a 40 nm CMOS...
We propose and demonstrate using signal pre-distortion and equalization schemes for increasing the data rate of the white-light LED communication system. Bit-error-rate of <;10-10 at 10-Mb/s operation was achieve using 1-MHz bandwidth white-light LED.
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