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How BJT capacitance multiplier works?

General Electronics Chat 3 days ago at 11:56 PM

Last message by Ian0 on April 18, 2021 at 04:36 AM

8 Replies
155 Views
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LED Strip "Fade to ON" / "Fade to OFF"

General Electronics Chat One week ago at 09:28 AM

Last message by sghioto on April 15, 2021 at 09:51 AM

22 Replies
429 Views
PWM constant current source?

General Electronics Chat 3 weeks ago at 11:48 AM

Last message by imbaine on April 14, 2021 at 10:32 AM

32 Replies
510 Views
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different batteries in parallel

Power Electronics 8 years ago at 08:31 PM

Last message by GumBoocho on April 13, 2021 at 02:54 PM

36 Replies
36397 Views
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SUCCESS STORIES: Repair thermoelectric cooler

Technical Repair 6 years ago at 10:30 AM

Last message by steiger-counter on April 9, 2021 at 08:03 AM

376 Replies
137425 Views
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Power Dissipation - Op Amp Circuit

Analog & Mixed-Signal Design 2 weeks ago at 01:24 PM

Last message by MrSalts on April 6, 2021 at 05:03 PM

8 Replies
251 Views
Suitable high current mosfet for switch/disconnect?

General Electronics Chat 2 weeks ago at 11:29 AM

Last message by bigjoncoop on April 6, 2021 at 11:55 AM

10 Replies
394 Views
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Looking for help to review the schematic for my flight computer PCB

Homework Help 4 weeks ago at 05:24 PM

Last message by Hemi on April 2, 2021 at 12:14 PM

5 Replies
289 Views
Is my programmer being honest? Li-Ion charging algorithm

Power Electronics 3 weeks ago at 07:31 PM

Last message by Yaakov on March 26, 2021 at 01:27 AM

4 Replies
176 Views
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MOSFET or Relay, again...

General Electronics Chat About 2 months ago at 11:04 AM

Last message by danl on March 23, 2021 at 12:51 AM

37 Replies
869 Views
13 Replies
418 Views
Zener Max Current Iz

Homework Help One month ago at 05:27 PM

Last message by sparky 1 on March 15, 2021 at 11:33 PM

25 Replies
347 Views
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MPPT maximum power point tracking; can it be repurposed ?

General Electronics Chat 2 months ago at 02:10 PM

Last message by Ian0 on February 7, 2021 at 02:01 AM

4 Replies
168 Views
Not all voltages are created the same...

Power Electronics 2 months ago at 07:30 AM

Last message by Tonyr1084 on February 5, 2021 at 10:51 AM

6 Replies
225 Views
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Power supply question - again (solved)

Power Electronics 3 months ago at 02:59 AM

Last message by metermannd on February 3, 2021 at 11:36 AM

3 Replies
352 Views
78 Replies
21536 Views
Making a power supply from bits...

Power Electronics About 3 months ago at 11:04 AM

Last message by dl324 on January 21, 2021 at 03:39 PM

11 Replies
317 Views
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Confirming validity of schematic for dual stepper motor PCB

PCB Layout , EDA & Simulations 3 months ago at 07:14 PM

Last message by jeffl_2 on January 15, 2021 at 12:11 PM

3 Replies
469 Views
16 Replies
394 Views
My arduino is overheating it. I am powering it with a 9V battery

General Electronics Chat 3 months ago at 02:16 PM

Last message by SamR on January 6, 2021 at 03:30 PM

8 Replies
344 Views