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Analysis of electrical equivalent circuit of metal–insulator–semiconductor structure based on admittance measurements
Analysis of electrical equivalent circuit of metal–insulator–semiconductor structure based on admittance measurements

... Al–(thermal)SiO2–(n)Si structures were the object of our investigations. We proposed an electrical equivalent circuit of MIS structure describing the frequency dispersion of admittance characteristics in a broad range of signal frequencies and gate voltages from inversion to accumulation. The analys ...
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... The ICL8001G / ICLS8082G employs a quasi-resonant (QR) operation mode and, due to the availability of outstanding PFC performance, is optimized for off-line LED lighting applications such as dimmable LED bulbs for incandescent lamp replacement, LED downlights and LED tubes in a power range from typi ...
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Valve RF amplifier



A valve RF amplifier (UK and Aus.) or tube amplifier (U.S.), is a device for electrically amplifying the power of an electrical radio frequency signal.Low to medium power valve amplifiers for frequencies below the microwaves were largely replaced by solid state amplifiers during the 1960s and 1970s, initially for receivers and low power stages of transmitters, transmitter output stages switching to transistors somewhat later. Specially constructed valves are still in use for very high power transmitters, although rarely in new designs.
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