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Kirchhoff`s Laws
Kirchhoff`s Laws

... from point B to point C, and then from point C back to point A. Its potential enegy will not have changed since it is back where it started. Kirchhoff's loop law is an application of this idea: The sum of voltage changes around a closed loop is zero. Symbolically, the potential changes for the path ...
Blackstart of An Induction Motor in An Autonomous Microgrid
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... Abstract—Starting of large induction motors may produce voltage dip in a weak microgrid because of high current and reactive power demand in transient period. This paper develops a solution for black start issue of an Induction Motor (IM) using Voltage-Sourced Converter (VSC) interfaced source in an ...
AD8211 数据手册DataSheet 下载
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... THEORY OF OPERATION In typical applications, the AD8211 amplifies a small differential input voltage generated by the load current flowing through a shunt resistor. The AD8211 rejects high common-mode voltages (up to 65 V) and provides a ground-referenced, buffered output that interfaces with an ana ...
Troubleshooting Guide for Amptek Digital Pulse Procesors
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... 2) Incorrect installation of the application software or USB drivers is the most common source of problems with Amptek's DPPs. Software installation is simple but must be done correctly. It is described in a document entitled "Amptek DPP Software Installation" 3) Cables and connections are the secon ...
Locating RF Interference at HF
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... Power-line noise can also occur at random intervals but is often weather related. If, however, the noise comes and goes at regular intervals that appear to be controlled by a timer, then a grow light ballast is a likely culprit. These systems generally cycle on and off daily in approximately 12 to 1 ...
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... output of the op amp and the input of the ADS831 will be beneficial in almost all interface configurations. This will de-couple the op amp’s output from the capacitive load and avoid gain peaking, which can result in increased noise. For best spurious and distortion performance, the resistor value s ...
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... Our high-voltage bipolar transconductance amplifier (HVBTA) is based on an earlier design we have used in our laboratory for 15 years [18], which had a maximal voltage capability of ±120 V, or with a modified asymmetric power supply, up to 240 V positive or negative pulses, but not both. It had an o ...
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Noise Minimization in Electronic Circuitry
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... The detection of small currents at low frequency is impaired by the scientist’s ability to reliably detect the signal above noise. Noise from circuit components and electronic pickup in a lab can bury valuable information in digitized buzz. Reducing noise in the frequency regime below 1 kHz is espec ...
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... intended for the transmission or multiplexing of analog or digital signals. It is pin for pin compatible with HCF4016B, but exhibits a much lower ON resistance. In addition, the ON resistance is relatively constant over the full input signal range. The HCF4066B consists of four independent bilateral ...
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... Low Noise Amplifier that are ideal pre-amplifiers for CATV Set Top Box, Home Gateway, and Digital Television receiver operating between 40 and 960 MHz. This high dynamic range LNA has been optimized to provide 3.5 dB noise figure and +27 dBm output IP3 from a single supply of +5V @ 120 mA. The outpu ...
TPS54872 数据资料 dataSheet 下载
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... signals. Noise injected between the two grounds can degrade the performance of the TPS54872, particularly at higher output currents. Ground noise on an analog ground plane can also cause problems with some of the control and bias signals. For these reasons, separate analog and power ground traces ar ...
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... In the first configuration, two inductors are connected in series between RESNTR- and RESNTR+. A resistor is then used to provide the DC bias to the balanced inductance node formed by the series connection of the inductors. Ideally, the two inductors should be equal in value, but a slight imbalance ...
- LSBU Research Open
- LSBU Research Open

... configurations is their circuit complexity; as they typically require a large number of power switches [6]. The simplified H-Bridge, multi-level inverter presented here results in a reduced number of active components and configuration complexity thus additionally reducing circuit losses. This topol ...
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Ground loop (electricity)

In an electrical system, a ground loop is an equipment and wiring configuration which results in excessive unwanted current in a conductor connecting two points that are supposed to be at the same electric potential, often ground, but are actually at different potentials.Ground loops are a major cause of noise, hum, and interference in audio, video, and computer systems. They do not in themselves create an electric shock hazard, the inappropriate connections merely create a not necessarily very good instance of Electrical_bonding, which is explicitly required by safety regulations in certain circumstances. In any case the voltage difference between the ground terminals of each item of equipment is small. A severe risk of electric shock occurs when equipment grounds are improperly removed in an attempt to cure the problems thought to be caused by ground loops.
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