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2015 General Class FCC Element 3 Question Pool
2015 General Class FCC Element 3 Question Pool

MUSICAL INSTRUMENTS
MUSICAL INSTRUMENTS

... Measuring 60 x 55 x 100 mm only, the redesigned enclosures are made from powder coated 19 gauge steel. They feature heavy duty plastic control knobs, rugged footswitches and convenient pedalboard mounting provisions. ...
Design of MMIC Serial to Parallel Converter in Gallium Arsenide
Design of MMIC Serial to Parallel Converter in Gallium Arsenide

... becomes easier to make compact due to the resistor. In other aspects such as power dissipation, the circuit becomes more effective. In the design of the serial to parallel converter DCFL with resistive loads is used. DCFL with resistive load requires a smaller number of devices for the same logic un ...
DS42BR400 - Texas Instruments
DS42BR400 - Texas Instruments

... De-emphasis is the primary signal conditioning function for use in compensating against backplane transmission loss. The DS42BR400 provides four steps of de-emphasis ranging from 0, −3, −6 and −9 dB, user-selectable dependent on the loss profile of the backplane. Figure 2 shows a driver de-emphasis ...
MM74C74M Datasheet - Mouser Electronics
MM74C74M Datasheet - Mouser Electronics

... VCC = 5V, VIN(1) = 5V TA = 25°C, VOUT = V CC VCC = 10V, VIN(1) = 10V TA = 25°C, VOUT = V CC ...
Switching, Operation/ Display and Control Devices
Switching, Operation/ Display and Control Devices

±15kV ESD-Protected, 1µA, 3.0V to 5.5V, 250kbps, RS-232 Transceivers with AutoShutdown
±15kV ESD-Protected, 1µA, 3.0V to 5.5V, 250kbps, RS-232 Transceivers with AutoShutdown

... guarantee a 250kbps data rate with worst-case loads of 3kΩ in parallel with 1000pF, providing compatibility with PC-to-PC communication software such as LapLink™. Transmitters can be paralleled to drive multiple receivers. The MAX3243E has been specifically designed to drive serial mice. Figure 1 sh ...
HFBR-2412TCZ - Avago Technologies
HFBR-2412TCZ - Avago Technologies

... MBd, with arbitrary data format and pulse width distortion typically less than 25%. By setting R1 = 115 :, the transmitter can be driven with IF = 30 mA, if it is desired to economize on power or achieve lower pulse distortion. The following example will illustrate the technique for selecting the ap ...
DC1639 - LTC6360 High Speed Op Amp with True Zero Output
DC1639 - LTC6360 High Speed Op Amp with True Zero Output

Clean - 2015 Renewable RFP Website
Clean - 2015 Renewable RFP Website

Appendix B: renewable resource Injection Capability at LIPA
Appendix B: renewable resource Injection Capability at LIPA

... Direct-fired generators using a biomass fuel such as agriculture or animal waste, small diameter timber, salt cedar and other phreatophyte or woody vegetation obtained within New York, biogas (landfill gas to electricity), and anaerobic digestion to electricity; and ...
2015 Renewable RFP Website
2015 Renewable RFP Website

... Direct-fired generators using a biomass fuel such as agriculture or animal waste, small diameter timber, salt cedar and other phreatophyte or woody vegetation obtained within New York, biogas (landfill gas to electricity), and anaerobic digestion to electricity; and ...
The Manitoba Electrical Code - 12th Edition
The Manitoba Electrical Code - 12th Edition

... (a) by replacing the definition "Approved" and "Inspection department" with the following: Approved (as applied to electrical equipment) (1) equipment that has been certified by a certification organization accredited by the Standards Council of Canada in accordance with the requirements of (a) CSA ...
Recommendation 6A
Recommendation 6A

in sink erator
in sink erator

... activate the automatic timed disposer shutoff, disconnect the electric power to the control center, then open the control center door. Locate the shutoff plug at the top of the circuit board (See page 9, Figure 16). Move the plug from manual (MAN) pins to automatic (AUTO) pins. The disposer now auto ...
Evaluation Board User Guide UG-080
Evaluation Board User Guide UG-080

... J1 is used to select the power source for AVDD on the AD7170. J1 in Position 3.3 V selects the 3.3 V regulated output from the onboard ADP3330 voltage regulator. J1 in Position 5 V selects the 5 V supply from the USB connector, J51. J1 in Position EXT selects an external power supply, supplied via J ...
General Class Question Pool 2015 - 2019 - DOC
General Class Question Pool 2015 - 2019 - DOC

... G1B08 - Removed period from the end of answer B. G1D01 - Replaced all instances of "a" to "an" in the question and answer B and D. Answer B - added missing word “that” B. Anyone who held an FCC issued amateur radio license that has been.... Answer C. Changed to ‘Any person “who” previously held... C ...
A Novel Multiplexer-Based Low
A Novel Multiplexer-Based Low

Paper Title (use style: paper title) - IR@CSIR-CEERI
Paper Title (use style: paper title) - IR@CSIR-CEERI

... and SFDR; transient parameters like settling time. However, good accuracy, low power consumption, small die area and reasonable conversion time are the main specification requirement of DAC for these applications. Among the most popular architectures of DACs that are suitable for these applications ...
MicroPython Hardware: Analog I/O
MicroPython Hardware: Analog I/O

... The value you're seeing is the raw output of the analog to digital converter. The ADC is taking the voltage that it reads from the potentiometer and converting it to a number that ranges from 0 to the maximum bit accuracy of the ADC. For the ESP8266 it has a 10-bit ADC which means it can give values ...
Chapter 6 DC Initialization and Point Analysis
Chapter 6 DC Initialization and Point Analysis

... If you do not provide an initial guess, or provide only partial information, StarHspice provides a default estimate of each of the nodes in the circuit and then uses this estimate to iteratively find the exact solution. The .NODESET and .IC statements are two methods that supply an initial guess for ...
Electronics Lab
Electronics Lab

Maximum reachable torque, power and speed for five-phase
Maximum reachable torque, power and speed for five-phase

... PM machines fed by voltage source inverter. For instance, in [2], [3], with considering classical dq-circuit model of threephase PM machine (with or without saliency), the authors analytically determine the torque/speed characteristic for the whole speed range. In [4], the authors focus on the windi ...
here - Analogue Haven
here - Analogue Haven

... R5, R6, and U1D form a buffered voltage divider. 9 volts goes through R5 and R6 to ground. Because R5 and R5 are equal in value, the voltage at pin 12 on U1D is exactly half that voltage, or 4.5 volts. U1D is configured as a “unity gain follower,” meaning that the output at pin 14 is exactly the sam ...
View/Open - AUC DAR Home - The American University in Cairo
View/Open - AUC DAR Home - The American University in Cairo

... photovoltaic panels, unregulated voltage and limited power. Maximum power point tracking (MPPT) is used in photovoltaic systems to maximize the photovoltaic array output power under environmental variations such as irradiation and temperature for mobile applications. A power management system is pro ...
< 1 ... 322 323 324 325 326 327 328 329 330 ... 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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