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User Guide for SCM Series
User Guide for SCM Series

... of the microphone and is designed primarily to decrease bass rumble (from wind noise pickup during outdoor live or recording use. It is also useful in keeping mouth spray out of the microphone head. The FW-2 or some other windscreen should be used whenever someone is close miked to both protect the ...
AN-1329 APPLICATION NOTE
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... Figure 5) perform a feedforward function in the feedback loop of the LDO, high frequency components of the transient load are fed to the error amplifier without attenuation. This allows the error amplifier to respond to the transient load quickly. Figure 16 and Figure 17 show the transient load resp ...
8.0 ELECTRIC POWER
8.0 ELECTRIC POWER

...  One 345 kV, 1800 MVA circuit connects the Callaway Plant Unit 1 switchyard directly to the Loose Creek Substation in Osage County to the southwest (CAL-LSCR-3). The Montgomery, Bland, and Loose Creek Substations are part of the AmerenUE transmission network as described in Callaway Plant Unit 2 FS ...
III. Analysis of Harmonic Loss - Massachusetts Institute of Technology
III. Analysis of Harmonic Loss - Massachusetts Institute of Technology

... After 2.5 years of operation, the leakage current of the latter increased an average of 36%, more 43%than the former after 3.5 years of operation. b. Resonance The capacitors with power factor compensation are widely used in power system, at the same time, there is distributed capacitance in equipme ...
Operation Manual
Operation Manual

... Intelligent Block Upconverters (IBUC’s), Power Supply Units (PSUI’s), Low Noise Block Converters (LNB’s), associated Interface Units (IFU’s, Tx 1+1 and Rx 1+1) and accessories supplied with IBUC systems. Intelligent Block Upconverters (IBUC’s) The C and Ku-Band IBUC’s block upconvert an L-Band IF to ...
AQ7270 Series OTDR Operation Guide User’s Manual
AQ7270 Series OTDR Operation Guide User’s Manual

... Doing so may damage the AQ7270/AQ7275. • Do Not Remove the Covers or Disassemble or Alter the Instrument Only qualified YOKOGAWA personnel may remove the covers and disassemble or alter the instrument. ...
Operating Instructions
Operating Instructions

... be carried out on the electrical or mechanical part of the system. Installation, maintenance and repair work may be carried out only by trained, skilled and qualified personnel. Unauthorized modification or changes to the system make all guarantees null and void. During operation, the motor can be s ...
High-/Low-Side Measurement, Bidirectional CURRENT/POWER
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... The INA231 is typically powered by a separate supply that can range from 2.7 V to 5.5 V. The bus that is being monitored can range in voltage from 0 V to 28 V. NOTE Based on the fixed 1.25 mV LSB for the bus voltage register, a full-scale register would result in a 40.96-V value. However, the actual ...
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... 1340W and is used throughout various industries including Medical, Industrial, Communications and Military. ...
Symmetrical Components 1 - WSU Conference Management
Symmetrical Components 1 - WSU Conference Management

... 5. The per-unit System 5.1 Introduction In many engineering situations it is useful to scale, or normalize, dimensioned quantities. This is commonly done in power system analysis. The standard method used is referred to as the per-unit system. Historically, this was done to simplify numerical calcul ...
Inductively Coupled Plasma Source Using Internal Multiple U
Inductively Coupled Plasma Source Using Internal Multiple U

PDA 1252 Portable Analyzer Electro Industries/GaugeTech
PDA 1252 Portable Analyzer Electro Industries/GaugeTech

... advanced documents such as the EEI Handbook for Electricity Metering and the application standards for more in-depth and technical coverage of the subject. ...
product catalogue - amelec Electronic GmbH
product catalogue - amelec Electronic GmbH

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... completely equipped and completely safe units. In addition, a Welding Service giving helps and instruction in the welder's many uses, continues throughout its life. Included in the helps are plans for making many different types of equipment, and charts on Electrodes and types of welding. Then to in ...
ECE 469 Power Electronics Lab Manual
ECE 469 Power Electronics Lab Manual

... equipment damage is unintended shorts to ground. Remember that oscilloscopes are designed to measure voltage relative to ground, not between two arbitrary points. • RATINGS! Before applying power, check that the voltage, current, and power levels you expect to see do not violate any ratings. What is ...
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... sense, output full swing CMOS operational amplifiers. BU7461SG/BU7462Sxxx/BU7464SF have an expanded operating temperature range. They have the features of low operating supply voltage, low supply current and low input bias current. These are suitable for portable equipment and sensor amplifiers. ...
gfci / elci / egfpd
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... Voltage surge withstand Radio frequency noise susceptibility Frequency Endurance Overload Current Operating temperature range Insulation voltage (Hi-Pot) Power On indication ...
Power factor correction: a guide for the plant engineer
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S-75L00ANC - SII Semiconductor Corporation
S-75L00ANC - SII Semiconductor Corporation

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Power Measurement Techniques For Nonsinusoidal conditions
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... measurement and calibration at other frequencies than 50 Hz, and under nonsinusoidal conditions, has increased rapidly. To meet this demand a project was started at SP in 1989 aimed at creating a calibration facility for these conditions. The project had two major parts; the realisation of a referen ...
Chapter 8: Reliability and Availability
Chapter 8: Reliability and Availability

... failure may remit. Using power converter suppliers that ...
AX-SIGFOX - Ultra-Low Power, AT Command Controlled, Sigfox
AX-SIGFOX - Ultra-Low Power, AT Command Controlled, Sigfox

... A command starts with ‘AT’ (everything is case sensitive!), continues with the actual command followed by parameters (if any) and ends with any kind of whitespace (space, tab, newline etc.) If incorrect syntax is detected (“parsing error”) all input is ignored up until the next whitespace character. ...
Stationary Power Distribution Unit (SPDU) 3-phase, 75
Stationary Power Distribution Unit (SPDU) 3-phase, 75

... provides more sub-feed breakers per service area than any other model in its operational class. This translates into a highly efficient and effective distribution of power. The SPDU also boasts the smallest overall footprint in its class, leaving more space available for revenue-generating products ...
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Decibel

The decibel (dB) is a logarithmic unit that expresses the ratio of two values of a physical quantity, often power or intensity. One of these quantities is often a reference value and in this case the decibel expresses the absolute level of the physical quantity. The number of decibels is ten times the logarithm to base 10 of the ratio of two power quantities, or of the ratio of the squares of two field amplitude quantities. One decibel is one tenth of one bel, named in honor of Alexander Graham Bell; however, the bel is seldom used.The definition of the decibel is based on the measurement of power in telephony of the early 20th century in the Bell System in the United States. Today, the unit is used for a wide variety of measurements in science and engineering, most prominently in acoustics, electronics, and control theory. In electronics, the gains of amplifiers, attenuation of signals, and signal-to-noise ratios are often expressed in decibels. The decibel confers a number of advantages, such as the ability to conveniently represent very large or small numbers, and the ability to carry out multiplication of ratios by simple addition and subtraction. By contrast, use of the decibel complicates operations of addition and subtraction.A change in power by a factor of 10 is a 10 dB change. At the half power point an audio circuit or an antenna exhibits an attenuation of 3dB. A change in voltage by a factor of 10 results in a change in power by a factor of 100, which is a 20 dB change. A change in voltage ratio by a factor of two approximately corresponds to a 6 dB change.The decibel symbol is often qualified with a suffix that indicates the reference quantity that has been used or some other property of the quantity being measured. For example, dBm indicates a reference power of one milliwatt, while dBu is referenced to approximately 0.775 volts RMS.In the International System of Quantities, the decibel is defined as a unit of measurement for quantities of type level or level difference, which are defined as the logarithm of the ratio of power- or field-type quantities.
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