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Dual Interleaved Active-Clamp Forward With Automatic Charge
Dual Interleaved Active-Clamp Forward With Automatic Charge

LF411 Low Offset Low Drift JFET Input Operational Amplifier
LF411 Low Offset Low Drift JFET Input Operational Amplifier

... Note 2: For operating at elevated temperature, these devices must be derated based on a thermal resistance of ijA. Note 3: These devices are available in both the commercial temperature range 0§ C s TA s 70§ C and the military temperature range b 55§ C s TA s 125§ C. The temperature range is designa ...
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... HCF4527B may be cascaded in two different modes: The ADD mode and the MULTIPLY mode (see figure 1 and 2). When two units are cascaded in ADD mode and programmed to 9 and 4 respectively, the more significant unit will have 9 output pulses for every 10 input pulses and the other will have 4 output pul ...
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... control system. Its main function is to keep the terminal voltage of an electrical generator at a constant reference value, independently on loads being connected on or off the generator. The static excitation system is made up by a three-phase six-pulse rectifying thyristor bridge, which supplies t ...
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Rectifier



A rectifier is an electrical device that converts alternating current (AC), which periodically reverses direction, to direct current (DC), which flows in only one direction. The process is known as rectification. Physically, rectifiers take a number of forms, including vacuum tube diodes, mercury-arc valves, copper and selenium oxide rectifiers, semiconductor diodes, silicon-controlled rectifiers and other silicon-based semiconductor switches. Historically, even synchronous electromechanical switches and motors have been used. Early radio receivers, called crystal radios, used a ""cat's whisker"" of fine wire pressing on a crystal of galena (lead sulfide) to serve as a point-contact rectifier or ""crystal detector"".Rectifiers have many uses, but are often found serving as components of DC power supplies and high-voltage direct current power transmission systems. Rectification may serve in roles other than to generate direct current for use as a source of power. As noted, detectors of radio signals serve as rectifiers. In gas heating systems flame rectification is used to detect presence of a flame.Because of the alternating nature of the input AC sine wave, the process of rectification alone produces a DC current that, though unidirectional, consists of pulses of current. Many applications of rectifiers, such as power supplies for radio, television and computer equipment, require a steady constant DC current (as would be produced by a battery). In these applications the output of the rectifier is smoothed by an electronic filter (usually a capacitor) to produce a steady current.More complex circuitry that performs the opposite function, converting DC to AC, is called an inverter.
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