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How Bad is Bad? Cavity Signal Injection and Mitigation Steve Weir
How Bad is Bad? Cavity Signal Injection and Mitigation Steve Weir

Power Conversion, Measurement and Pulse Circuits
Power Conversion, Measurement and Pulse Circuits

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... The AD97441 is a 14-bit resolution, wideband, third generation member of the TxDAC series of high performance, low power CMOS digital-to-analog converters (DACs). The TxDAC family, consisting of pin-compatible 8-, 10-, 12-, and 14-bit DACs, is specifically optimized for the transmit signal path of c ...
New York State Electric Meter Engineers` Committee Guide for
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... waveform that has characteristics similar to the sine wave shape of utility power. This type of waveform is suitable for most AC loads, including linear and switching power supplies used in electronic equipment, transformers, and motors. (See Figure 1). The modified sine wave produced by the inverte ...
AD8381 数据手册DataSheet 下载
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... 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 AD8381 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to h ...
A high precision, low cost, single supply ADC for positive and
A high precision, low cost, single supply ADC for positive and

... In general the ADC embedded in the ST7 microcontroller is enough for most applications. But, in some cases it is necessary to measure both positive and negative voltages. This requires an external ADC with this particular capability. Most external ADCs require a dual supply to be able to do this. Ho ...
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PDF: 1.73MB

... VCC(surge) ...
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... 4) that the probe wires are connected according to the instructions; 5) that the probe wires are positioned a sufficient distance from possible sources of electromagnetic disturbance (power cable, contactors, cables with high voltages and running to devices with high peak current); 6) that there is ...
SP2209E 数据资料DataSheet下载
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... IC’s capability to withstand an ESD transient during normal handling such as in manufacturing areas where the ICs tend to be handled frequently. ...
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DATA SHEET Tytan II D0-25-1/S

... Fuse switch-disconnectors combine fuse protection of system parts with switching capability under load as well as when in overload. Tytan II series devices are main fuse switch-disconnectors for D01 and D02 fuses. Simultaneous isolation of all phases is ensured by the screwcap-less plug-in technolog ...
Induction Heating Principles
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26 05 13 Medium Voltage Cables

... 1) Disconnect all equipment, including but not limited to: transformers, switches, motors, circuit breakers, and surge arrestors from cable circuit to prevent test interruptions due to flashovers or trip-outs resulting from excessive leakage current. 2) Establish adequate clearance between circuit t ...
Safety in Handling Lamps and Light Fittings
Safety in Handling Lamps and Light Fittings

... Figure 9 A / or an X through the letter F means that the luminaire is not suitable for mounting in flammable material, as it will constitute a fire hazard. The converter must be positioned at least 250mm away from the luminaire. Any thermal insulation must be removed from around the luminaire and co ...
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... nanowires, and nanofibers will perform in the electronic devices of tomorrow demands instrumentation that can characterize resistance and conductivity over wide ranges. ­Often, this requires the measurement of very small currents and voltages. Nanotechnology research is advancing rapidly. In fact, m ...
Application Note Power Semiconductors
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... A key design consideration is the device's ability to handle unsafe current levels. As with the existing HITFET®, the overload protection - which includes short circuit and overtemperature protection - acts in stages. This means that if the internal current limit ID(lim) is exceeded, the output stag ...
Shielded twisted-pair cable
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... These straight lines pointing out from the source are called rays. Think of light rays as narrow beams of light like those produced by lasers. In the vacuum of empty space, light travels continuously in a straight line at ...
LINECODE Object
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... Xmatrix = "3, 11, 12, 13 , 21, 22, 23 , 31, 32, 33" This is analagous to how one might do it if one were designing a binary transfer scheme. An alternative is to require that the order be defined elsewhere and we could leave it out of the array. However, I would personally like each property to stan ...
Diesel-Electric Propulsion Systems
Diesel-Electric Propulsion Systems

... The control system of converter fed propulsion drives is designed for: n Four-quadrant operation with reversal of torque and direction of rotation with feed back of the reverse power to the main alternators and to the mains respectively to braking resistors in case of reversing manoeuvre a ...
Appendix-A-Large-Penetration-Small
Appendix-A-Large-Penetration-Small

... The charging cycle of BC1 is performed with partial duty-cycles lasting about 150 s each with average demand progressively decreasing in function of battery charge status. Each partial duty-cycle provides on its turn sub-cycles, such as those illustrated in Figure 27, in which the current absorption ...
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Operating Organic Electronics via Aqueous Electric Double Layers Henrik Toss

... in which aqueous electrolytes are an active component, but still operating in conditions where it is desirable to avoid electrochemical reactions. Interfacing with aqueous electrolytes occurs in a wide variety of settings, but we have specifically had biological environments in mind as they necessar ...
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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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