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AD7524 CMOS 8-Bit Buffered Multiplying DAC
AD7524 CMOS 8-Bit Buffered Multiplying DAC

... ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although the AD7524 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to h ...
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... wireless power transmission, mountains of work have been done on this topic and lots of methods have been proposed by scientists [1–4]. The most noteworthy is MIT’s use of magnetic resonance coupled theory to achieve power wireless transfer in 2007 [5], which successfully avoids obstacles to transfe ...
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... FIELD FLASHING When the regulator is operated with the generator for the first time, the polarity of residual magnetism may not be correct or the magnitude may not be enough. If the generator does not build up, shut down the prime mover and proceed as follows. a. ...
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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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