Latest threads in Electronics Designshow only best voted threads
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Driven switch body. (what about greater than one bootstrap)
So I copper clad proto-ed the grayhill rotary switch into my PD thing. I can post pics.. at 1 MHz an inch of bus wire is not a big deal. Anyway with the switch body grounded the step response/ BW went...
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4 years ago
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MTA-100 connectors
I've become a big fan of MTA-100 mass- termination connectors (as Tyco TE Connectivty calls them), used for off-board wiring. Here's a link to the PCB-mount headers at Digi-Key. The male-pin headers...
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4 years ago
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23 | |
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Maximum rep rate for a standard microswitch.
I wanted to make a turns counter for my drill press. I have it set for 330 RPMs or about 6 cycles per second. It doesn't work. Unreliable counting. My high point is (switch closure time) about 1/12 of...
82
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4 years ago
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82 | |
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electrospinning +15kV and -4kV = 19kV
Electrospinning is an interesting technique for making nanofibers. We used +15kV on the needle of a motorized syringe pump and -4kV on a collection mat = 19kV total. The electric field pulls off a...
92
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4 years ago
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92 | |
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Explain rattlesnake egg magnet action
When two flat magnets clap together, it is usually a very singular collision event. When two round or egg shaped magnets collide together, they bounce several times before resting mated. I suspect it...
10
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4 years ago
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10 | |
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Why is Larkin such an intolerant pig ?
---------------------------------------- " Silly cackling old hen. Man up and design something." ** Larkin is such a narcissistic prick he cannot tolerate anyone who is not exactly the same as him....
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4 years ago
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20 | |
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Phase Noise vs. Jitter
Gentlemen, I thought these terms were effectively the same thing, but now I'm not so sure. Taking a square waveform of uniform amplitude for the sake of simplicity, AFAIAA, if I'm looking at such a...
45
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4 years ago
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45 | |
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Lock-in demodulation of inductive component
With respect to this quadrature demodulation inductance measurement circuit we've discussed before, could you please remind me of the phasing relationships? I'm having difficulty visualizing how the...
14
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4 years ago
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14 | |
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Hearing Better
In this OP you are going to see much hypothesization, don't read it if you don't want to. A year ago give or take my hearing was so bad you might as well email me, I mean from two rooms away. When I...
12
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4 years ago
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12 | |
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OT: Solar farm with batteries, to power LA
Discusses the ins and outs of LA's contract, for a 400MW AC, 530MW DC solar farm with battery storage: And an older article:
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4 years ago
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88 | |
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Where to get blob board?
I need to replenish my supply of blob board (see e.g. ). I used to get them from a guy on eBay who called himself BoardWorx, but he isn't there anymore. I could lay out some of my own, but I'd rather...
17
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4 years ago
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17 | |
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x-Chapters, 4x.3, 16 more pages about TIAs
Announcing a useful x-Chapter DRAFT section. Compensation of TIAs wasn't discussed much in AoE III, 8.11, pages 537-555. Mentioned briefly in 4.3.1.C, we assigned the topic to Chapter 4x. Here's...
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4 years ago
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delta-sigma modulator in LT Spice
Here's a second-order delta-sigma modulator, approximating an ADUM7703 in LT Spice. I don't think the integration constants (currently 1 us) matter. Gotta think about that. The output filter will be...
8
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4 years ago
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How to monitor night sleep ? (Recording audio at night/during sleep)
Hello, Serious question: Let's suppose strange things are happening at night, for example: 1. Neighbours making noises, talking, bumping doors. 2. Animals outside. 3. Planes flying overhead. 4....
32
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4 years ago
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32 | |
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Laptop Keyboard Backlight Colors
I'm looking at buying a new laptop and mostly I'm looking at the gaming mod els because they have proper keyboards with full size arrow keys among othe rs. One model I looked at had full height arrow...
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4 years ago
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