what is the difference between photodiode compared to conventional p-n junction diode?
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One of the major difference between the photodiode and the phototransistor is that the photodiode uses PN-junction diode which converts the light energy into an electric current, whereas the phototransistor uses the ordinary transistor (NPN transistor) for the conversion of light into current.
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The image sensor employed by most digital cameras is a charge coupled device (CCD). Some cameras use complementary metal oxide semiconductor (CMOS) technology instead. Both CCD and CMOS image sensors convert light into electrons. ... A CCD transports the charge across the chip and reads it at one corner of the array.
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The main difference between the conventional rectifier and bridge rectifier is that it produces almost double the output voltage as a full-wave center-tapped transformer rectifier using the same secondary voltage. The advantage of using this circuit is that no center-tapped transformer is required.
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As their name implies, Bipolar Transistors are “Bipolar” devices because they operate with both types of charge carriers, Holes and Electrons. The Field Effect Transistor on the other hand is a “Unipolar” device that depends only on the conduction of electrons (N-channel) or holes (P-channel).
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Zener diode is heavily doped than the normal p-n junction diode. Hence, it has very thin depletion region. Therefore, zener diodes allow more electric current than the normal p-n junction diodes. ... Therefore, zener diodes allow more electric current than the normal p-n junction diodes.
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CMOS sensors are much less expensive to manufacture than CCD sensors. Both CCD (charge-coupled device) and CMOS (complementary metal-oxide semiconductor) image sensors start at the same point -- they have to convert light into electrons. ... The CMOS approach is more flexible because each pixel can be read individually.
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The main difference that you need to know is that a direct lit fixture is illuminated by a light source that is at the back of the panel. ... Edge lit panels, on the other hand, produce the light from the sides of the panel. This allows them to be much thinner, around a half inch thick.
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Zener Diode Construction Zener diodes are a modified form of PN silicon diode used extensively for voltage regulation. The P type and N type silicon used is doped more heavily than a standard PN diode.
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A PNP works in a same but opposite fashion. The base still controls current flow, but that current flows in the opposite direction -- from emitter to collector. Instead of electrons, the emitter emits "holes" (a conceptual absence of electrons) which are collected by the collector.
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Zener diode is heavily doped than the normal p-n junction diode. Hence, it has very thin depletion region. Therefore, zener diodes allow more electric current than the normal p-n junction diodes.
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Difference Between p-Type and n-Type Semiconductor. In a p-type semiconductor, the III group element of the periodic table is added as a doping element, whereas in n-type the V group element is the doping element. ... In the n-type semiconductor, electrons are majority carriers, and holes are minority carriers.
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The signal diode and power diode has the same symbol. Signal diode is a two terminal, two layer, PN Junction device. Whereas, Power diode is a two terminal,PN Junction diode which has p+, n–, n+ layers. Signal diodes are made up of Silicon(Si) and Germanium(Ge) as well.
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These both teaching tools are suitable for beginners, hobbyists. The main difference between them is Arduino is microcontroller board while raspberry pi is a mini computer. Thus Arduino is just a part of raspberry pi. Raspberry Pi is good at software applications, while Arduino makes hardware projects simple.
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main difference is in the complexity of the layout. Analog are more complex than RF layout. But you have to very care ful while designing the RF Layout, as it can really make you cry if you dont follow basics of RF layout.
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There is no difference in a p-n junction and solar cell .. infact solar cell is a type of p-n junction diode .. The only special character of solar cell it that one of the region p or n is made very thin so that the light reaches the depletion region and excite electrons moving them into the conduction band.
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SMD means surface mounted diode. This is a better technology than the first generation DIP LEDs. The SMD type LEDs are mounted on an aluminum substrate and enveloped in an epoxy resin.
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Inside the camera of your iPhone, there's an image sensor. ... The image sensor converts light or photons into an electrical signal. The image sensor consists of a huge number of individual pixel sensors that are lined up into a huge rectangle. We can think of each pixel sensor as a charge bucket.