Difference between revisions of "Transistors"

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===Darlington Transistors have Internal Resistors===
 
===Darlington Transistors have Internal Resistors===
 
[[File:To220.png|200px]]
 
[[File:To220.png|200px]]
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See also: (sziklai vs. darlington)
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https://circuitcellar.com/resources/darlington-vs-sziklai-pair/
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===Never Trust Data Sheets Power Mosfet ratings===
 
===Never Trust Data Sheets Power Mosfet ratings===
 
https://www.eevblog.com/forum/projects/50w-really/msg5449229/
 
https://www.eevblog.com/forum/projects/50w-really/msg5449229/
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===Measuring R(ds)ON of an N-FET with Two Meters===
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[[File:Measuring nfet rds on with two meters.webm|thumb|right|200px|Demonstrating a measurement of R(ds) On with two meters. Apologies for the vertical video.]]
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* https://forum.allaboutcircuits.com/threads/measuring-mosfets-rds-on.181819/
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* http://web.archive.org/web/20220127031735/https://www.engineersgarage.com/testing-mosfet-part-16-17/
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It's possible, but be aware of what voltage your meter outputs, what is required for conduction, and what resistance to expect.
  
  
  
  
 
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===Misc===
 
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* https://www.eevblog.com/forum/projects/why-transistor-vbe-drops-when-transistor-is-in-active-region-bc547-ibconstant/ Curve tracer question: Does Vbe change when Vce increases (on a BC547)? (Contrary to popular knowledge)
 
 
  
  

Latest revision as of 18:06, 21 April 2024

Transistors are just like Transformers. Only 5 letters difference.

Transistor Building Blocks

Circuit_Building_Blocks

Tips/Techniques

Darlington Transistors have Internal Resistors

To220.png

See also: (sziklai vs. darlington)

https://circuitcellar.com/resources/darlington-vs-sziklai-pair/

Never Trust Data Sheets Power Mosfet ratings

https://www.eevblog.com/forum/projects/50w-really/msg5449229/ Perhaps I should have a page just for traps in data sheets.


Measuring R(ds)ON of an N-FET with Two Meters

Demonstrating a measurement of R(ds) On with two meters. Apologies for the vertical video.

It's possible, but be aware of what voltage your meter outputs, what is required for conduction, and what resistance to expect.



Misc