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1.6- to 3.6-volt BTL speaker driver reference
1.6- to 3.6-volt BTL speaker driver reference

... Consider a system that operates directly from the voltage provided by two single-cell alkaline batteries. When the batteries are fresh, the voltage may be as high as 1.8 V per VO(PP) cell. After depletion, the voltage across a cell may be as low as 0.8 V. While there are many solutions that work abo ...
- LJMU Research Online
- LJMU Research Online

TEXAS INSTRUMENTS (DRV134PA) AUDIO LINE DRIVER
TEXAS INSTRUMENTS (DRV134PA) AUDIO LINE DRIVER

... Signal balance ratio (SBR) measures the symmetry of the output signals under loaded conditions. To measure SBR an input signal is applied and the outputs are summed as shown in Figure 5. VOUT should be zero since each output ideally is exactly equal and opposite. However, an error signal results fro ...
Programmable Drum Machine Hardware Review
Programmable Drum Machine Hardware Review

... the counter increments and the next input channel is selected. The most significant bit is buffered to the output enable on one ADC and inverted to the output enable on the second ADC. That means that in one complete counting cycle, only one chip is enabled while each input channel is sequentially s ...
Galaxy 5500
Galaxy 5500

... latest load requirements that include upstream harmonics management for a generator-friendly installation and flexible configurations due to the wide range of integrated options and auxiliary equipment. Complete front access allows for a spacesaving footprint, user-friendly graphical display with mu ...
Catheter Guidewire Control System
Catheter Guidewire Control System

AN-639 APPLICATION NOTE Frequently Asked Questions (FAQs) Analog Devices Energy (ADE) Products
AN-639 APPLICATION NOTE Frequently Asked Questions (FAQs) Analog Devices Energy (ADE) Products

... The quantity cos() is known as power factor, where  is the angle between active and apparent power vectors (and no harmonics are present). Power factor is, therefore, the ratio between real and apparent power. See Figure 1. Some utilities will charge a penalty for low power factor. Common causes o ...
ELK-980 Instructions
ELK-980 Instructions

... 3. Connect two (2) wires from the ELK-980 to 12 Volts D.C. To power from 24 VDC, move Jumper JP3 to the 24V position. 4. Connect two (2) wires from the relay output to the device that is to be activated when a dead phone line is detected. Option: Power and relay connections can be made using the fou ...
APC FireCrest Surge
APC FireCrest Surge

...  Underwriters Laboratory (UL) test surge protection devices to a standard called 1449 in the US. This tests the quality of the surge protectors by measuring the let through voltage when subjected to a 6000V surge.  UL rating of surge protectors is based on Let Through voltage.  UL1449 equivalent ...
IRPP3637-06A POWIR+ Chipset Reference Design
IRPP3637-06A POWIR+ Chipset Reference Design

... will provide a tailored schematic and bill of materials, from which the engineer can run a full suite of on-line design simulations, and then order the fully assembled and tested customized reference design (see details on page ...
Analysis of Different Topologies For Active Power Factor Correction
Analysis of Different Topologies For Active Power Factor Correction

... of the non-linear relationship between the voltage and current across the switching device. Harmonics are also produced by Power generation equipment (slot harmonics). Induction motors (Saturated magnetic).Transformers (Over excitation leading to saturation) Magnetic-ballast fluorescent lamps (arcin ...
Stochastic Analysis of the Effect of Using Harmonic Generators in
Stochastic Analysis of the Effect of Using Harmonic Generators in

... increase in the capacity of plants and distribution transformers, peak shaving, less carbon emission and customer costs. On average, 20 percent of the total use of electricity is consumed in lighting (Michalik et al., 1997), (Tavanir). However, the increase in the number of electronic devices especi ...
DCMB needs good partners : "The special Low flux
DCMB needs good partners : "The special Low flux

... alternating current signal. If the SE amplifier is designed for a consistent output power ( over 50 Watts, true ones and not “musical”, inflated by 50 or 100% more) the output transformer becomes unreasonably big. For your guidance, a push-pull 50W transformer would weight about 5-6 kgs. A Single en ...
AQ 1000 – Arc Quenching Device AQ 1000 Benefits
AQ 1000 – Arc Quenching Device AQ 1000 Benefits

... AQ 1000 – Arc Quenching Device AQ 1000 arc quenching device is used to extinguish arcing faults in systems with rated voltage of up to 690V. The AQ 1000 arc quenching device operates in less than 3ms in order to minimize or even eliminate the arcing fault thermal and pressure damaging effects. In mo ...
motorised pleated blinds
motorised pleated blinds

TMOS V™ Power Field Effect Transistor MTP3055V
TMOS V™ Power Field Effect Transistor MTP3055V

M3 Semiconductor Analyzer Manual
M3 Semiconductor Analyzer Manual

... The first panel displays the HFE (static current gain) of the transistor. The M3 can measure current gain in the range of 5 to 999. The current gain varies according to the operating condition of the transistor. The polarization of the transistor under test is not fixed but depends on the actual HFE ...
PDF
PDF

AND8396 - Implementing Power Factor Correction with the NCP1608
AND8396 - Implementing Power Factor Correction with the NCP1608

... implementation of a 400 V, 100 W, CrM boost PFC converter using the NCP1608. The converter exhibits high PF, low standby power dissipation, high active mode efficiency, and a variety of protection features. ...
Shipboard Electrical Equipment
Shipboard Electrical Equipment

... to provide efficient and safe operation of the electrical system. A typical power distribution system in a destroyer consists of four generators (two forward and two aft) and two distribution switchboard. The distribution switchboards are set up so that each one controls two generators. All the nece ...
dl 2612 scr with turn off circuit
dl 2612 scr with turn off circuit

DN523 - Inverting DC/DC Controller Converts a Positive Input to a
DN523 - Inverting DC/DC Controller Converts a Positive Input to a

... the switch is on and releasing it through the diode to the output when the switch is off, except that with the LTC3863, no transformer is required. To prevent excessive current that can result from minimum ontime when the output is short-circuited, the controller folds back the switching frequency w ...
Performing Cyclic Voltammetry Measurements Using
Performing Cyclic Voltammetry Measurements Using

UX Series - Self Powered specification sheet
UX Series - Self Powered specification sheet

... the DC circuit disconnects the lamp load from the battery should excessive wattage demands be made and automatically resets when the overload or short circuit is removed. This overload current protective feature eliminates the need for fuses or circuit breakers for the DC load. B ro wn o u t Circuit ...
LEC 2 CASE and POWER SUPPLY
LEC 2 CASE and POWER SUPPLY

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Voltage optimisation

Voltage optimisation is a term given to the systematic controlled reduction in the voltages received by an energy consumer to reduce energy use, power demand and reactive power demand. While some voltage 'optimisation' devices have a fixed voltage adjustment, others electronically regulate the voltage automatically.Voltage optimisation systems are typically installed in series with the mains electrical supply to a building, allowing all its electrical equipment to benefit from an optimised supply.
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