Ultra-High Velocity Ratio in Magnetron Injection Guns for Low-Voltage Compact Gyrotrons

An Ultra High CMRR Low Voltage Low Power Fully Differential Current Operational Amplifier (COA)

this paper presents a novel fully differential (FD) ultra high common mode rejection ratio (CMRR) current operational amplifier (COA) with very low input impedance. Its FD structure that attenuates common mode signals over all stages grants ultra high CMRR and power supply rejection ratio (PSRR) that makes it suitable for mixed mode and accurate applications. Its performance is verified by HSPI...

Digital Ultra Low Voltage High Speed Logic

Low power is becoming more and more crucial and in many aspects becoming the number 1 priority when designing new applications. Ultra low voltage CMOS is an approach for producing very low-power CMOS circuits by reducing the supply voltage to several hundred millivolts [1, 2]. To maintain good performance at low supply voltages, the threshold voltages of MOS transistors must also be reduced [3–...

High-Temperature, Wirebondless, Injection-Molded, Ultra-Compact Hybrid Power Module

Low-voltage, high speed, compact silicon modulator for BPSK modulation.

A low voltage, high speed, compact silicon Mach-Zehnder Interferometer (MZI) modulator for Binary Phase Shift Keying (BPSK) modulation has been demonstrated. High modulation efficiency, VπLπ equals to 0.45V·cm, was obtained in a 1mm length device owing to a higher doping concentration and low-loss traveling-wave electrode. 25 Gb/s non-return-to-zero(NRZ)-BPSK with 6Vpp RF driving signal was ach...

Compact High Velocity Clouds

We summarize the observed properties of the CHVC population, which provide strong evidence for source distances in the range 200– 1000 kpc. At these distances, the population corresponds to strongly dark-matter dominated sub-dwarf galaxies still accreting onto the more massive Local Group systems. Recent searches for faint associated stellar populations have revealed red-giant candidates for wh...