Latest threads in Electronics Designshow only best voted threads
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No-clean solder paste and board leakage
It's (past) time for us to get some more solder paste. There's a paste that seems to have twice the rated shelf life of those available on DigiKey: Has anyone tested this stuff to see how well or...
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7 years ago
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interference with FM: wi-fi or bluetooth?
My FM radio gets weak reception down here in a gulch. A new interference sound is now resident on my FM radio between channels. At all tunings is a hiss. That digital scourge is available since...
3
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7 years ago
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NRI coin sorter
I have some problems regarding coin sorter in the subject. Has someone use this kind of coin sorter ? GM
9
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7 years ago
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9 | |
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Calibrating an auto-ranging meter
I only have a cheap Radio Shack 3.75-digit auto-ranging multimeter (22-803), and I want to calibrate the DC voltage reading. The ranges break at 400mV, 4V, 40V, 400V and 1000V. On opening the case I...
6
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7 years ago
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Cool op amp
36V supply, R/R input-output power op amp with 200mA peak output current. Comes in a TO-252 package for heat sinking. It's only $1.50 in small quantities at Mouser...
10
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7 years ago
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10 | |
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Protecting a 22bit ADC input with low leakage diodes
I am using BAS116 low leakage diodes, one from the signal to gnd (the signal range is 0 to 500mV and cannot go negative) and one from the signal to a certain positive voltage (which is itself robustly...
23
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7 years ago
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23 | |
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24V 20A DC supply
Hi all just looking for options. This is for an induction heater that we have been running off of two car batteries. I've mostly been looking at Meanwell supplies. The SP-480-24 (SP-watts- volts) is...
7
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7 years ago
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crazy energy wasters
I'm seeing high-end, staged, architected, ecological houses with stuff like this:
24
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7 years ago
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24 | |
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Schmitt Trigger Jitter
Interesting: | Delay (us) | Jitter (ns pk) | 5.7 | 460 | 2.92 | 170 | 1.45 | 26 | 0.72 | < 10 Input is a linear capacitor charging slope. Delay is the time taken from the reset voltage (about 0.5V)...
23
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7 years ago
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23 | |
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Lucid Motors
Another report claims 1000 HP and 400 miles.
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7 years ago
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boring test
The polymer alum caps (56uF, 25V) have been running around 5 weeks at -10 volts. Total leakage, all 6 in parallel, is 1.3 uA. It varies with temperature but doesn't seem to have any other trend...
18
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7 years ago
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Do resistors age?
Garage sale purchase, box of 100 1M, 1 Watt, 5% resistors. Probably 50 years old. Thought I'd measure all 100 and single out the one or two that are possibly within 1% of nominal value. Well, only a...
26
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7 years ago
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26 | |
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Class D commercial audio amp
Using PWM input to a Si8244BB predriver soic. After the inductor HF cut filter, on the 8 ohm speaker load there is about 1.5V pk-pk 200Kz constant level of switcher waveform, is that normal? what sort...
58
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7 years ago
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58 | |
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OT: Does this software exist...
Does this software exist... I have perfectly running spam filters running in Eudora Pro, such that all spam E-mails are never seen. Those spam E-mails which have nasty script attachments have those...
14
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7 years ago
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If you need joint care is your memory next?
I just wanted to start a thread on memory. I think I have a poor memory, although I like to add, I remember what is important to me. I can remember my passwords and what stocks I own some I even...
23
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7 years ago
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