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Results tagged with power-supply
Search options questions only
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user 22885
An electronic device that supplies electrical energy to a load. It can be AC or DC input. Typically DC output.
68
votes
8
answers
46k
views
Why do we need an isolation transformer to connect an oscilloscope?
My professor always insists that I provide power to an oscilloscope thorough an isolation transformer. What is the necessity of this? What is the risk if I don't connect it?
- 1,635
9
votes
5
answers
10k
views
What is the purpose of an RC branch accros the diode of a rectifer circuit?
Recently I was going through the data sheet of the TOP264 TOP Switch IC. In a typical application circuit diagram, at the secondary of the transformer they have used a configuration for the diode as f …
- 1,635
7
votes
1
answer
2k
views
What is the purpose of parallel RC network in the bridge rectifier output?
Can anybody explain the necessity of the RC network shown in the figure. I found this in circuit for a logic power supply using Fly-Back converter?
- 1,635
2
votes
4
answers
4k
views
What actually is the output current of a boost conveter?
What I understood at least at a basic level the operation boost converter, the inductor supplies output current when the switch is OFF.
When the switch is ON the the load current is taken current b …
- 1,635
3
votes
5
answers
5k
views
MOSFET is not turning off when the gate terminal is grounded
This figure shows a small portion of my circuit:
The maximum Vgs of the MOSFET is 20V. The MOSFET is initially turned on and now I want to turn it off. For that I am grounding the terminal A to gro …
- 1,635