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MAX881R Low-Noise Bias Supply in µMAX with Power-OK for GaAsFET PA General Description
MAX881R Low-Noise Bias Supply in µMAX with Power-OK for GaAsFET PA General Description

... The MAX881R low-noise, inverting power supply is designed for biasing GaAsFET power amplifiers in portable wireless applications. This device is a chargepump inverter followed by a negative linear regulator. The input voltage range is 2.5V to 5.5V. The output is preset at -2.0V or can be set, using ...
LIRW-Dimming-Controller_pdf
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... The LIRW coverage pattern provides a 180o coverage area with a maximum coverage area of approximately 2100 square feet. The maximum sensing distance in front of the sensor is 40 feet, and 30 feet at each side. A “smallmotion” zone detects relatively small body movements and allows the lights to stay ...
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... the R matrix is symmetrical. In the first equation, the coefficient of i1 is the sum of all resistors through which mesh current i1 flows; the coefficient of i2 is the negative of the sum of the resistances common to mesh current 1 and mesh current 2. The right-hand side of the equation is the algeb ...
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...  Injects Multiple frequencies ranging from 202,000 Hertz.  The signals are regulated to very low voltages  The results are computer analysed to determine batteries capacity ...
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... • Form factor: specifies size, shape, features of device • Motherboard, power supply, and case share the same form factor, such as ATX • Three types of cases: desktop, tower, and notebook • Quantities that characterize electricity: voltage, current, resistance, and power • Current flows from hot wir ...
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... QUICKTRONIC MULTISTEP ballasts were developed in partnership with lighting industry experts to form an integrated lighting system that provides unprecedented performance, flexibility and ease of use. This breakthrough technology, termed SIMPLY5, delivers controllable lighting that is simple to insta ...
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... may incur voltage unbalance causing instability and additional power losses. Series or shunt active power filters [2]–[9] are conventional solutions for unbalance compensation. In case of MG system, in order to save the investment for extra compensation equipment, DGs can be employed as distributed ...
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... devices or systems without the express written approval of the President and General Counsel of Mimix Broadband. As used herein: (1) Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and whose failure to ...
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... • POWER & MEASURE 2 WIRE TRANSMITTERS The PIECAL Model 334 can simultaneously output 24V DC to power any and all devices in a process loop using the internal batteries and the internal switching power supply, while measuring the output of a 2 Wire Transmitter and any other loop devices. This is hand ...
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... sensors in cooled germanium detectors. When a warmup is signaled, this input turns off the detector bias voltage in order to protect the preamplifier FET input. The ORTEC/TTL/BYPASS jumper selects the operating mode of the BIAS SHUTDOWN input for compatibility with the warmup sensor in the associate ...
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Heathkit SB-220 - Orange County (California) Amateur Radio Club
Heathkit SB-220 - Orange County (California) Amateur Radio Club

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Alternating current



Alternating current (AC), is an electric current in which the flow of electric charge periodically reverses direction, whereas in direct current (DC, also dc), the flow of electric charge is only in one direction. The abbreviations AC and DC are often used to mean simply alternating and direct, as when they modify current or voltage.AC is the form in which electric power is delivered to businesses and residences. The usual waveform of alternating current in most electric power circuits is a sine wave. In certain applications, different waveforms are used, such as triangular or square waves. Audio and radio signals carried on electrical wires are also examples of alternating current. These types of alternating current carry information encoded (or modulated) onto the AC signal, such as sound (audio) or images (video).
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