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=== | ||
| + | [[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.]] | ||
| + | * https://forum.allaboutcircuits.com/threads/measuring-mosfets-rds-on.181819/ | ||
| + | * http://web.archive.org/web/20220127031735/https://www.engineersgarage.com/testing-mosfet-part-16-17/ | ||
| + | It's possible, but be aware of what voltage your meter outputs, what is required for conduction, and what resistance to expect. | ||
| − | + | ===Misc=== | |
| − | + | * 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) | |
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Latest revision as of 18:06, 21 April 2024
Transistors are just like Transformers. Only 5 letters difference.
Transistor Building Blocks
Tips/Techniques
Darlington Transistors have Internal Resistors
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
- https://forum.allaboutcircuits.com/threads/measuring-mosfets-rds-on.181819/
- http://web.archive.org/web/20220127031735/https://www.engineersgarage.com/testing-mosfet-part-16-17/
It's possible, but be aware of what voltage your meter outputs, what is required for conduction, and what resistance to expect.
Misc
- 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)
