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An inductorless wideband LNA with a new noise cancelling technique
An inductorless wideband LNA with a new noise cancelling technique

Analog Devices : Sensor Signal Conditioning, Temperature Sensors
Analog Devices : Sensor Signal Conditioning, Temperature Sensors

... linear amplifier-compensator or as a switched output set-point controller using either fixed or remote set-point control. It can be used to amplify its compensation voltage directly, thereby becoming a stand-alone Celsius transducer with 10mV/°C output. In such applications it is very important that ...
Old Company Name in Catalogs and Other Documents
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...  Compatibility levels in IEC 61000-2-2 & 61000-212, for 400V and 6.6kV to 33kV systems are based on the immunity of capacitors  The margins between planning levels and the compatibility levels depend on voltage level and range from 3% at lv and 5% at mv to 0.5% at ehv  The margins are necessary t ...
Aalborg Universitet
Aalborg Universitet

... SVM scheme can be obtained by merely dividing the dwell time of the zero vectors unequally [17]. The Discontinuous PWM (DPWM) schemes use only one zero vector in each halfcarrier cycle. The commutation of each phase leg is ceased for the one third period of the fundamental cycle [18], [19]. The PWM ...
Request for Bids_NE Starkville VCBs_2016-01-11
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EasyWeld

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... (Bias current increases with switching rate to 15 - 20 mA.) ...
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... is the switching frequency of the device clock Since knowing the number and capacitance of all of the internal switching nodes is an unmanageable task, the current under different conditions can be determined empirically by measuring the current level for a particular algorithm under known frequency ...
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... for the ECE half coil based detection system (more filtering) are needed PS Contactors open for all circuits: M1 (for SSD M1 is floating), M2, ECE External diode pack contactor remain open for the quenching circuit the rest of them will be closed – R2 resistor is sized to keep the max voltage below ...
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... dual-antenna inputs. The SE4150L includes two RF inputs with integrated antenna switching and external active-antenna current detection. A high-linearity onchip LNA is used with one of the inputs, allowing the SE4150L to be used in multi-function wireless systems, without the need for additional ext ...
Radial Chapter - Massachusetts Distributed Generation Collaborative
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... Note 1. On a typical radial distribution system circuit (“feeder”) the annual peak load is measured at the substation circuit breaker, which corresponds to the supply point of the circuit. A circuit may also be supplied from a tap on a higher-voltage line, sometimes called a subtransmission line. On ...
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Sigma-II SERIES SGDH FULLY CLOSED INTERFACE

... change without notice. Every precaution has been taken in the preparation of this manual. Nevertheless, Yaskawa assumes no responsibility for errors or omissions. Neither is any liability assumed for damages resulting from the use of the information contained in this publication. iii ...
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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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