Electrical Engineering
Bruce Abbott's user avatar
Bruce Abbott's user avatar
Bruce Abbott's user avatar
Bruce Abbott
  • Member for 9 years, 4 months
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1,917 Answers

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79 votes
Accepted

How safe is 48V DC?

61 votes
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What are the advantages of this gold finger shape?

58 votes
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Why were germanium diodes so fast and germanium transistors so slow?

48 votes

How do I improve a simple home-made capacitor?

45 votes
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Differences between oscilloscope, multimeter, and power supply voltage readings

42 votes
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Where are registers and what do they look like?

33 votes

Why do we use capacitors in parallel with DC motors?

26 votes

Is temperature the only battery charging speed limitation?

25 votes
Accepted

Desoldering a tricky DC jack

22 votes

Why would I use 2N3904 instead of 2N4401?

21 votes

How much data could be stored on a standard compact cassette using modern encoding?

20 votes
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Why do LED headlamp bulbs need active cooling?

20 votes

Is HSYNC required during VSYNC for VGA?

18 votes
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Do solar inverters dump excess generated energy as heat?

18 votes
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Reduction of DC motor noise

17 votes
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Why are circuit results different from theorised?

17 votes
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STM32F4 : Floating point instructions too slow

17 votes
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Question about old telephones (late 70's - early 80's)

17 votes

How does filling a via with solder change its resistance or impedance?

16 votes
Accepted

Do lithium-ion batteries just lose capacity over time or do they also become more wasteful?

14 votes
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Help with reverse engineering a small PCB

14 votes

Does an EEPROM consume power only during the transition edges or during entire read/write cycle?

14 votes
Accepted

BLDC PWM frequency

14 votes

What may happen if I leave out bypass capacitors?

13 votes
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Only charge capacitor when button pushed then turn on LED momentarily with capacitor when button released

13 votes
Accepted

What's the easy way to measure a DC hobby motor's inductance?

12 votes

How low have mains frequencies gone? What areas once used 30 Hz, and why?

12 votes
Accepted

Op-amp output cannot reach Vcc

12 votes
Accepted

LM2596 buck converter overheats converting 36DC -> 5DC at 600mA

12 votes

How do brushless motors provide more torque and longer battery life to cordless drills?

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