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TD450024EN
TD450024EN

... and a listed frequency response of 400 to 4000 Hz. The speaker shall also incorporate a sealed back construction. All inputs shall employ terminals that accept #12 to #18 AWG wire sizes. The strobe portion of the appliance shall produce a flash rate of one (1) flash per second over the Regulated Vol ...
2015-277
2015-277

A 7GHZ 1MV-INPUT-RESOLUTION COMPARATOR WITH 40MV
A 7GHZ 1MV-INPUT-RESOLUTION COMPARATOR WITH 40MV

MAX5141–MAX5144 +3V/+5V, Serial-Input, Voltage-Output, 14-Bit DACs General Description
MAX5141–MAX5144 +3V/+5V, Serial-Input, Voltage-Output, 14-Bit DACs General Description

... with the internal scaling resistors (Figure 2b). In each mode, the DAC’s output resistance is constant and is independent of input code; however, the output amplifier’s input impedance should still be as high as possible to minimize gain errors. The DAC’s output capacitance is also independent of in ...
Evaluate:  MAX1304–MAX1315 MAX1308 Evaluation Kit/Evaluation System General Description Features
Evaluate: MAX1304–MAX1315 MAX1308 Evaluation Kit/Evaluation System General Description Features

... If the IC has less than eight input channels (i.e., four channels or two channels), the unused input pins can be connected to AGND or left floating. Note that if the inputs are buffered and exceed ±5V (i.e., when using the MAX1312–MAX1315 that support inputs up to ±10V), replace the MAX4351 buffers ...
TPA6020A2 Audio Power Amplifier Evaluation
TPA6020A2 Audio Power Amplifier Evaluation

... It is important to operate this EVM within the input voltage range of 2.5 V to 5.5 V. Exceeding the specified input range may cause unexpected operation and/or irreversible damage to the EVM. If there are questions concerning the input range, please contact a TI field representative prior to connect ...
Designing with Thermally Protected TMOV Varistors in SPD and AC
Designing with Thermally Protected TMOV Varistors in SPD and AC

... begin to self-heat if a limited current is maintained. TCOs are activated by a combination of conducted, converted and radiated heat from the MOV, although the majority of the heat is transferred via conduction. The position of the TCO in relation to the heat source at this shorting point has a cons ...
Electrical Safety
Electrical Safety

... The prongs are different sized so you can’t turn the plug around. If you do, the electrical fields within the motor are always energized. If there is moisture present, the case is likely to be “hot”. Even with double-insulated tool, you still could get a shock. ...
Electrical Installation - I
Electrical Installation - I

... generating stations could be considered the power source. However, batteries could be considered as primary power sources. › Conductors: Wires provide a path for the current to travel. › Loads: These are devices through which the electricity produces work. Examples: Lamp and Motor. Eng. Rose Hasan ...
NB6L11M - 2.5V / 3.3V 1:2 Differential CML Fanout Buffer
NB6L11M - 2.5V / 3.3V 1:2 Differential CML Fanout Buffer

... differential inputs incorporate internal 50 W termination resistors that are accessed through the VT pins and will accept LVPECL, LVCMOS, LVTTL, CML, or LVDS logic levels. The VREFAC pin is an internally generated voltage supply available to this device only. VREFAC is used as a reference voltage fo ...
High Speed Hardware Design Techniques
High Speed Hardware Design Techniques

The PN junction
The PN junction

... If a diode is forward biased as in Figure above(a), current will increase slightly as voltage is increased from 0 V. In the case of a silicon diode a measurable current flows when the voltage approaches 0.6 V at (c). As the voltage is increases past 0.6 V, current increases considerably after the kn ...
Pro200 OM SSN.QXD
Pro200 OM SSN.QXD

... Make sure the mains voltage is correct and the same as that printed on the rear of the amplifier. Damage caused by connecting the amplifier to improper AC voltage is not covered by any warranty. See the Connecting Power section in Chapter 5 for more information on voltage. Note — Always turn off and ...
Protecting PoE PSE and Ethernet to the Latest International
Protecting PoE PSE and Ethernet to the Latest International

MAX5887 3.3V, 14-Bit, 500Msps High Dynamic Performance DAC with Differential LVDS Inputs
MAX5887 3.3V, 14-Bit, 500Msps High Dynamic Performance DAC with Differential LVDS Inputs

... The MAX5887 is a high-performance, 14-bit, currentsteering DAC (Figure 1) capable of operating with clock speeds up to 500MHz. The converter consists of separate input and DAC registers, followed by a currentsteering circuit. This circuit is capable of generating differential full-scale currents in ...
CAST LED Perimeter Lighting
CAST LED Perimeter Lighting

UTILITY SERVICE ENTRANCE STANDARDS
UTILITY SERVICE ENTRANCE STANDARDS

... provisions for metering equipment; and b) the installation has a signed valid wiring permit issued by NB Safety Code Services; and c) the master I.D. sticker, or the sub I.D. sticker, is affixed to the meter box(es); and d) the installation meets all other requirements of the Utility Service Entranc ...
H044023944
H044023944

... us to get values of fault current, fault MVA which helps us in designing proper protection scheme. The huge fault current causes an extreme damage to the equipment if suitable protective scheme is not incorporated in the power system. Short circuits are generally caused by insulation failures or con ...
Step 1: Run skewer through two corks as shown
Step 1: Run skewer through two corks as shown

... than a small pipe. The drawback is that thicker wire is more massive and may only fit if a smaller number of windings are made. It is also possible to have more windings using a longer, thinner wire. Using a longer length of wire with more windings will increase the coil’s resistance and bring down ...
the original construction manual in Word format.
the original construction manual in Word format.

... but it is not easy so double check before soldering! b. Insert the two pin header in the holes in the circuit board marked “track power” – solder – screw terminal headers are available if you would prefer. c. Identify the four holes in the circuit board that will accept the bridge rectifier. Note th ...
DS1249W 3.3V 2048kb Nonvolatile SRAM FEATURES PIN ASSIGNMENT
DS1249W 3.3V 2048kb Nonvolatile SRAM FEATURES PIN ASSIGNMENT

... 7. If the CE high transition occurs prior to, or simultaneously with, the WE high transition, the output buffers remain in a high-impedance state during this period. 8. If WE is low or the WE low transition occurs prior to, or simultaneously with, the CE low transition, the output buffers remain in ...
AN-8208 — Introduction to Automotive Ignition Systems
AN-8208 — Introduction to Automotive Ignition Systems

... The typical temperature characteristic of an ignition IGBT is shown in Figure 9. The use of the IGBT as the primary switch in an ignition system requires that it be on for a reasonable period of the overall two revolutions of the classic four-stroke engine operation. This is the “dwell” period in wh ...
Flux weakening operation of switched reluctance motors
Flux weakening operation of switched reluctance motors

UNIT – 5 Explain the different starting methods for 3
UNIT – 5 Explain the different starting methods for 3

3__APSU_RF_System_final_1
3__APSU_RF_System_final_1

...  Implement a flexible digital LLRF system – Substantial changes in the design are possible by changing program routines without affecting the hardware – With digital LLRF, amplitude and phase stabilities better that 0.1% and 0.1areacheivable. ...
< 1 ... 428 429 430 431 432 433 434 435 436 ... 1974 >

Mains electricity



Mains electricity is the general-purpose alternating-current (AC) electric power supply. In the US, electric power is referred to by several names including household power, household electricity, house current, powerline, domestic power, wall power, line power, AC power, city power, street power, and grid power.The two principal properties of the electric power supply, voltage and frequency, differ between regions. A voltage of (nominally) 230 V and a frequency of 50 Hz is used in Europe, most of Asia, most of South America and Australia. In North America, the most common combination is 120 V and a frequency of 60 Hz. Other voltages exist, and some countries may have, for example, 230 V but 60 Hz. This is a concern to travelers, since portable appliances designed for one voltage and frequency combination may not operate or may be destroyed by another.The use of different plugs and sockets in different regions provides some protection from accidental use of appliances with incompatible voltage and frequency requirements.
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