نتایج جستجو برای: pulsed power supply
تعداد نتایج: 652185 فیلتر نتایج به سال:
This paper investigates the near field, far field and conducted electromagnetic emissions in a pulsed power supply circuit for a flash lamp pumped solid-state laser amplifier. The power supply consists of a charging circuit, which energizes 300 μF of energy storage capacitor bank to 3 kV. The stored energy is discharged through a flash lamp in the form of pulsed current. It is a single shot eve...
Aggressive reduction of timing margins, called timing speculation, is an effective way of reducing the supply voltage for a pipeline circuit and thereby its power consumption. However, probability of timing error increases with the voltage scaling and hence, the errors must be corrected with small cycle penalty. Here introduce an improved Razor approach by replacing flip flop by pulsed latch, w...
APPARATUS: Continuum Minilite 10 Hz pulsed YAG laser (355 nm), YAG laser goggles, quartz sample tubes, phototransistor trigger, Instruments SA H20 Monochrometer, Rutgers P1100 Monochrometer Driver (scanning motor and control box), Hamamatsu R928 photomultiplier, high voltage power supply, Stanford Research Systems (SRS) Fast Preamplifier model SR240, SRS Gated Integrator and Boxcar Averager mod...
the effect of high voltage, high frequency pulsed electromagnetic field on slain ovine cortical bone
background: this study is the first research investigating the possible effect of pulsed power signals on the characteristics of cortical bone by comparing the mechanical properties of this type of bone pre and post expose to pulsed power. methods: a positive buck-boost converter was applied to generate adjustable high voltage, high frequency pulses (up to 500 v and 10 khz). the functional beha...
This paper describes the Differential Pass Transistor Pulsed Latch (DPTPL) which enhances D-Q delay and reduce power consumption using NMOS pass transistors and feedback PMOS transistors. The proposed flip-flop uses the characteristic of stronger drivability of NMOS transistor than that of transmission gate if the sum of total transistor width is the same. Positive feedback PMOS transistors enh...
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The purpose of this study was to evaluate the effect of pulsed Nd:YAG laser on the dentin surface by scanning electron microscope (SEM) in order to determine the optimum time and power of radiation to seal the exposed dentinal tubules. Horizontal sections were taken from newly extracted impact third molar teeth. Smear layers from the dentin surfaces were removed by phosphoric acid and all sampl...
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