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Electrical Engineering
Dave Tweed ♦
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2,894 Answers

newest activity votes
410
What is it that strips vocals from audio when a 1/8" audio jack is partially unplugged?
Oct 2 '12 at 19:54
82
Why did LEDs take so long to appear as light bulbs?
Feb 27 '16 at 19:54
68
Why are NAND gates used to make AND gates in computers?
Sep 7 '18 at 21:29
65
Compute the minimum number of 120Ω resistors to get 80Ω of resistance?
Nov 21 '15 at 23:37
61
Why do CRTs have 3 electron guns?
Jan 15 '18 at 2:53
58
Why are FPGAs so expensive?
Nov 7 '18 at 11:55
56
Why does an LED have to be a diode?
Oct 12 '18 at 23:32
51
Am I insane to question that only with a closed path can electrons move?
Mar 26 '17 at 17:57
51
What's special about 14.31818 MHz?
Jul 31 '16 at 14:07
49
Can a premium HDMI cable outperform a standard cable?
Oct 8 '18 at 14:54
49
Why is the time constant 63.2% and not 50% or 70%?
Sep 18 '18 at 14:52
47
How do I power/wire something that is rotating constantly WITHOUT extra batteries?
Jul 18 '17 at 21:25
45
Can a radio transmitter somehow detect the number of receivers in its area?
Aug 27 '15 at 15:56
43
Why put a step-down transformer after a vacuum tube in an a valve amplifier?
Sep 17 '18 at 15:42
43
Why is it desirable in an amplifier to have high input impedance and low output impedance?
May 8 '13 at 17:24
42
Why must some HDMI repeaters know the cable length?
Nov 27 '17 at 16:48
41
Who receives the value returned by main()?
Jan 22 '13 at 16:50
39
How did old WW2-era radars accurately measure time delay and integrate this into an oscilloscope?
Oct 1 '17 at 20:28
38
What kind of rubber “melts” plastic?
Aug 23 '18 at 14:22
38
How does a 40 Gbit/s Ethernet interface process packets in silicon?
Dec 5 '16 at 5:19
37
VHDL interview question - detecting if a number can be divided by 5 without remainder
Dec 15 '17 at 20:19
37
Does anyone remember this article about the Euclidean Algorithm?
May 12 '13 at 22:50
36
Why were coax cables used for networking?
Aug 26 '13 at 16:19
35
Embedded Programming for Beginners: Arduino or Raspberry Pi?
Dec 9 '12 at 14:49
34
Why use DDR instead of increasing clock speed?
Jun 26 '18 at 16:13
34
“Remove After Washing” on Piezo Buzzer
Feb 2 '14 at 19:21
32
Why are SRAM based FPGA used more than NVM based FPGA?
Nov 5 '18 at 16:58
31
TO-92 not getting hot enough
Jan 26 '18 at 23:37
30
Why did my fuse blow after 3+ years of no problems?
Jan 3 '16 at 15:32
29
How to make 1 bit permanent memory circuit?
Aug 31 '15 at 23:22
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