Fluke 233 Remote Display Multimeter

admin June 11, 2018 2 Comments
Remote Display Multimeter Fluke 233. Using the Fluke233 remote digital thermometer you can work at two places in same time. Such a multimeter is very in suitable performing test and measurements at hazardous environments. Standing on ladders, tangling long...
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Characteristics of a UJT

jojo September 17, 2009 5 Comments
UJT Characteristics The static emitter char­acteristic (a curve showing the relation between emitter voltage VE and emitter current IE) of a UJT at a given inter base voltage VBB is shown in figure.  From figure it is noted that...
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UJT-Uni Junction Transistors

jojo July 21, 2018 26 Comments
In this article, we learn about UJT (Uni Junction Transistor) in detail. We cover a lot about UJT like – what is basically a UJT, how they differ from other transistor models, how to construct a UJT, operation &...
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LASCR-Light Activated SCR

jojo September 17, 2009 2 Comments
Light activated SCR (LASCR) or a Photo SCR  is just an ordinary SCR except that it can also be light triggered. Most LASCRs also have a gate terminal for being triggered by an elec­trical pulse just as a conventional...
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Gate Turn Off Switch

jojo September 18, 2009 1 Comment
Gate turn-off switch (GTO) is, like an SCR, is a four layer, three junction semiconductor device with three external terminals, namely, the anode, the cathode and the gate, as illustrated in figure. The basic construction, schematic symbol of a...
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Silicon Unilateral Switch

jojo September 16, 2009 1 Comment
The diac and the silicon bilateral switch are grouped as bilateral or bidirectional devices because they can breakover in either direction. There are also breakover devices which breakover in only one direction; they fall in the category of unilateral...
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Silicon Bilateral Switch

jojo September 16, 2009 2 Comments
Silicon bilateral switch (SBS) is another breakover device which is capable of triggering triacs, and it is popular in low-voltage trigger control circuits. They have breakover voltages lower than those for diacs, ± 8 V being the most popular...
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Shockley Diode

jojo October 2, 2013 No Comments
To know more on the invention and history of the device click on this link – Shockley Diode – Invention History The four-layer diode, also called the Shockley diode after its inventor William Shockley, is essentially a low-current SCR without...
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SCS-Silicon Controlled Switch

jojo September 16, 2009 2 Comments
Silicon controlled switch (SCS), like the SCR, is a unilateral, four layer three junction P-N-P-N silicon device with four electrodes namely cathode C, cathode gate Gx, anode gate G2 and the anode A, as shown in figure. Infact, the...
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