Popular Electronic Terms and Meanings


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From the beginning of this web site we keep track of how many times each electrnic term has been viewed and based on that, the most visited ones we pronunce them most popular electronic terms.
Below is a list of 20 most popular electronic terms / phrases requested.
1) 0805
. 0805. . size code for passives 0.08" long 0.05" wide. Sometimes written as zero eight zero five...

2) line voltage
. line voltage. . the voltage from the power line. It has a nominal value of 115V rms. In some places, it may be as low as 105 or as high as 125V rms....

3) unity gain frequency
. unity gain frequency. . the frequency where the voltage gain of an op amp is 1. It indicates the highest usable frequency. It is important because it equals the gainbandwidth product. It is a such frequency of operation for a device where the gain of the component drops to unity.. ...

4) barrier potential
. barrier potential. . the voltage across the depletion layer. This voltage is built into the pit junction because it is the difference of potential between the ions on both sides of the junction. It equals approximately 0.7 V for a silicon diode.. ...

5) trip point
. trip point. . the value of the input voltage that switches the output of a comparator or Schmitt trigger. ...

6) collector cutoff current
. collector cutoff current. . the small collector current that exists when the base current is zero in a CE connection. Ideally, there should be no collector current. But there is because of the minority carriers and the surface leakage current of the collector diode.. ...

7) knee voltage
. knee voltage. . the point or area on a graph of diode current versus voltage where the forward current suddenly increases. It is approximately equal to the barrier potential of the diode.. ...

8) component/equipment storage
. component/equipment storage. . There are still to many instances of feeders scattered around the factory floor, stencil screens leaning against shelves and PCBs/components stored in cardboard boxes. . One of the reasons for this problem is that the search for feeder mobiles, reel racks and PCB trolleys can be a difficult task, simply because specifiers are unsure about what makes a good system. To overcome this, Mossman Tebbs` Peter Mossman uses this feature to provide readers with the facts t...

9) lcd
. lcd. . LCD display is one that uses liquid crystals to reflect light (e.g. the numerical display on some pocket calculators).. . . Another definition of lcd:. liquid Crystal Display. ...

10) input offset voltage
. input offset voltage. . if you ground both inputs of an op amp, you will still have an output offset voltage. The input offset voltage is defined as the input voltage needed to eliminate the output offset voltage. The cause of input offset voltage is the difference in the Vbe curves of the two input transistors. . ...

11) thermal runaway
. thermal runaway. . as a transistor heats, its junction temperature increases. This increases the collector current, which forces the junction temperature to increase further, producing more collector current, etc., until the transistor is destroyed.. . . Another definition of thermal runaway:. as a transistor heats, its junction temperature increases. This increases the collector current, which forces the junction temperature to increase further, producing more collector current, etc., unt...

12) derating factor
. derating factor. . a value that tells you how much to reduce the power rating for each degree above the reference temperature given on the data sheet.. ...

13) discrete circuit
. discrete circuit. . a circuit whose components, such as resistors, transistors, etc., are soldered or otherwise connected mechanically.. ...

14) solder fillet
. solder fillet. . the tin lead junction interconnection of the surface mounted component contact to the land pattern of the substrate. . ...

15) oscillations
. oscillations. . the death of an amplifier. When an amplifier has positive feedback, it may break into oscillations, which is unwanted high-frequency signal. This signal is unrelated to the amplified input signal. Because of this, oscillations interfere with the desired signal. Oscillations make an amplifier useless. This is why a compensating capacitor is used with an op amp; it prevents the oscillations from occurring.. ...

16) c guard
. c guard. . Mobile phones the scourge of restaunants cinemas trains and concert halls may at last have met their match in the form of an electronic device that can detect and jam every handset within 100 yards. . . The device known as a CGuard and developed from Israeli military technology offers a possible end to the intrusive rings and the irritating onesided conversations that often infuriate other customers all at the flick of a switch. . . The device which costs 760 works through a micro...

17) voice stress phone
. voice stress phone. . IT IS the nightmare scenario for cheating husbands dodgy salesmen and lying politicians. A new telephone has gone on sale that can tell whether the person on the other end of the line is telling the truth writes Andrew Alderson. . The device which costs 2700 uses sophisticated electronics to Indicate from a person`s voice tremors whether he or she is lying. Supplied by Londonbased Communication Control Systems it is intended primarily for businessmen so they can tell whe...

18) printer
. printer. is an output device producing characters or graphic symbols on paper. There are many methods of printing and of organising the operation of a printer and the following terms may be applied to any specific printer as appropriate. Related terms to printer are printing, spooling, cartrige, ink, laser printer and others....

19) foldback current limiting
. foldback current limiting. . simple current limiting allows the load current to reach a maximum value while the load voltage is reduced to zero. Foldback current limiting takes this one step further. It allows the current to reach a maximum value. Then further decreases in the load resistance reduce both the load current and the load voltage. The main advantage of foldback limiting is less power dissipation in the pass transistor under shorted-load conditions.. ...

20) epoxy
. epoxy. . adhesive material used to attach devices to the substrate surface or other mechanical attachment of two or more parts. . ...


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