output operation - definitie. Wat is output operation
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Wat (wie) is output operation - definitie

TYPE OF ELECTRONIC CIRCUIT IN WHICH A PAIR OF ACTIVE DEVICES ALTERNATELY SUPPLY CURRENT TO THE LOAD, OR ABSORB CURRENT FROM IT
Push-pull amplifier; Push-pull output; Totem pole output; Push–pull amplifier; Push-pull operation
  • TTL]] [[NAND gate]] has a 'totem pole output' stage ''(right)'' consisting of two NPN transistors in push pull.  When at least one of the inputs is low, transistor ''V''<sub>2</sub> is turned off, ''V''<sub>3</sub> is turned on and ''V''<sub>4</sub> off, pulling output voltage high.  When both inputs are high, ''V''<sub>2</sub> is on, ''V''<sub>3</sub> is off and ''V''<sub>4</sub> is turned on, pulling output low.
  • Typical transistor output stage of one channel of a 65 watt stereo amplifier from 1993. The 2 MOSFET push-pull output transistors (''FET2, FET4'') are bolted to the black [[heat sink]].  They are driven by transistors ''Q2, Q5, Q6,'' and ''Q7''
  • A Class B push–pull output driver using a pair of complementary PNP and NPN [[bipolar junction transistor]]s configured as [[emitter follower]]s
  •  A vacuum tube amplifier often used a center-tapped output transformer to combine the outputs of tubes connected in push–pull.

Output (economics)         
QUANTITY OF GOODS OR SERVICES PRODUCED IN A GIVEN TIME PERIOD, BY A FIRM, INDUSTRY, OR COUNTRY, WHETHER CONSUMED OR USED FOR FURTHER PRODUCTION
Netput; Economic output
Output in economics is the "quantity of goods or services produced in a given time period, by a firm, industry, or country",Alan Deardorff. output, Deardorff asspoo's Glossary of International Economics.
Output device         
  • A recording setup with two monitor speakers
  • upright=0.6
  • [[Colossal Cave Adventure]] being played on a [[VT100]] terminal
  • upright=0.8
  • A pair of [[computer speaker]]s and a [[subwoofer]] used in a desktop environment
  • An [[LCD monitor]] in use
  • An LED projector
  • Output interfaces on the rear of a graphics card
TYPE OF COMPUTER HARDWARE DEVICE THAT TRANSMITS INFORMATION FROM THE COMPUTER TO THE USER
Graphical output device; Output devices; List of output devices; Output hardware
An output device is any piece of computer hardware equipment which converts information into a human-perceptible form or, historically, into a physical machine-readable form for use with other non-computerized equipment. It can be text, graphics, tactile, audio, or video.
output device         
  • A recording setup with two monitor speakers
  • upright=0.6
  • [[Colossal Cave Adventure]] being played on a [[VT100]] terminal
  • upright=0.8
  • A pair of [[computer speaker]]s and a [[subwoofer]] used in a desktop environment
  • An [[LCD monitor]] in use
  • An LED projector
  • Output interfaces on the rear of a graphics card
TYPE OF COMPUTER HARDWARE DEVICE THAT TRANSMITS INFORMATION FROM THE COMPUTER TO THE USER
Graphical output device; Output devices; List of output devices; Output hardware
<hardware> Electronic or electromechanical equipment connected to a computer and used to transfer data out of the computer in the form of text, images, sounds or other media to a {display screen}, printer, loudspeaker or storage device. Most modern storage devices such as disk drives and {magnetic tape drives} act as both input and output devices, others such as CD-ROM are input only. (1997-03-18)

Wikipedia

Push–pull output

A push–pull amplifier is a type of electronic circuit that uses a pair of active devices that alternately supply current to, or absorb current from, a connected load. This kind of amplifier can enhance both the load capacity and switching speed.

Push–pull outputs are present in TTL and CMOS digital logic circuits and in some types of amplifiers, and are usually realized by a complementary pair of transistors, one dissipating or sinking current from the load to ground or a negative power supply, and the other supplying or sourcing current to the load from a positive power supply.

A push–pull amplifier is more efficient than a single-ended "class-A" amplifier. The output power that can be achieved is higher than the continuous dissipation rating of either transistor or tube used alone and increases the power available for a given supply voltage. Symmetrical construction of the two sides of the amplifier means that even-order harmonics are cancelled, which can reduce distortion. DC current is cancelled in the output, allowing a smaller output transformer to be used than in a single-ended amplifier. However, the push–pull amplifier requires a phase-splitting component that adds complexity and cost to the system; use of center-tapped transformers for input and output is a common technique but adds weight and restricts performance. If the two parts of the amplifier do not have identical characteristics, distortion can be introduced as the two halves of the input waveform are amplified unequally. Crossover distortion can be created near the zero point of each cycle as one device is cut off and the other device enters its active region.

Push–pull circuits are widely used in many amplifier output stages. A pair of audion tubes connected in push–pull is described in Edwin H. Colpitts' US patent 1137384 granted in 1915, although the patent does not specifically claim the push–pull connection. The technique was well-known at that time and the principle had been claimed in an 1895 patent predating electronic amplifiers. Possibly the first commercial product using a push–pull amplifier was the RCA Balanced amplifier released in 1924 for use with their Radiola III regenerative broadcast receiver. By using a pair of low-power vacuum tubes in push–pull configuration, the amplifier allowed the use of a loudspeaker instead of headphones, while providing acceptable battery life with low standby power consumption. The technique continues to be used in audio, radio frequency, digital and power electronics systems today.