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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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Diode symbol confusion
on one schematic
If a straight bar of cathode and triangle represent a signal diode Same with a small return towards the triangle from the bar represents a zener diode What does the symbol mean with 2 barbs to the bar , one towards the anode and the other in the other direction. In the context of the circuit it could mean high speed or shottke , either or both? just in passing, if anyone happens to know. |
#2
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Diode symbol confusion
On Thu, 15 Jul 2010 14:36:00 +0100 "N_Cook" wrote in
Message id: : on one schematic If a straight bar of cathode and triangle represent a signal diode Same with a small return towards the triangle from the bar represents a zener diode What does the symbol mean with 2 barbs to the bar , one towards the anode and the other in the other direction. In the context of the circuit it could mean high speed or shottke , either or both? just in passing, if anyone happens to know. http://en.wikipedia.org/wiki/Diode http://en.wikipedia.org/wiki/Zener_diode http://en.wikipedia.org/wiki/Schottky_diode |
#3
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Diode symbol confusion
What does the symbol mean with 2 barbs to the bar...?
It's supposed to look something like the letter Z -- hence, a Zener diode. |
#4
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Diode symbol confusion
William Sommerwerck wrote in message
... What does the symbol mean with 2 barbs to the bar...? It's supposed to look something like the letter Z -- hence, a Zener diode. That is logical and my experience too but not in this case , hence the query. One barb represents zeners in the symbol set used on this schematic, so what does the 2 barb (normally zener) symbol mean here? |
#5
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Diode symbol confusion
"N_Cook" wrote in message ... William Sommerwerck wrote in message ... What does the symbol mean with 2 barbs to the bar...? It's supposed to look something like the letter Z -- hence, a Zener diode. That is logical and my experience too but not in this case , hence the query. One barb represents zeners in the symbol set used on this schematic, so what does the 2 barb (normally zener) symbol mean here? The various typefaces used by the many people who produce schematics add to the confusion and some use (often inaccurate) variations of the standard symbols making matters even worse. There are of course yet more different types of diode, some of which also have their own symbol (and variants). As to answer your original question, it would be hard to improve on the links JW posted. |
#6
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Diode symbol confusion
"William Sommerwerck" wrote in message ... What does the symbol mean with 2 barbs to the bar...? It's supposed to look something like the letter Z -- hence, a Zener diode. I have seen the two barbs being each at an angle to the horizontal bar, representing a zener, and the two barbs perpendicular to the bar, representing a Schottky diode. Schottky diodes also seen as the more elaborate curl at each end of the bar, as shown in the Wiki reference. Arfa |
#7
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Diode symbol confusion
On Thu, 15 Jul 2010 16:53:04 +0100, Arfa Daily wrote:
"William Sommerwerck" wrote in message ... What does the symbol mean with 2 barbs to the bar...? It's supposed to look something like the letter Z -- hence, a Zener diode. I have seen the two barbs being each at an angle to the horizontal bar, representing a zener, and the two barbs perpendicular to the bar, representing a Schottky diode. Schottky diodes also seen as the more elaborate curl at each end of the bar, as shown in the Wiki reference. Arfa Shotts look more like an S for an obvious reason -- Altopia.com $12/m 10 unlimited connections |
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