Activity for Olin Lathropâ€
| Type | On... | Excerpt | Status | Date |
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| Comment | Post #278819 |
**Note to commenters:** This is not the place to discuss what kind of scopes you have and what they are good for. First, that doesn't belong in a comment at all. Second, the issue here is what might be on topic on the main site, not about scopes. (more) |
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| Edit | Post #278824 |
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| Edit | Post #278824 | Initial revision | — | about 4 years ago |
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A: Name of the OP in the list of questions What you ask is not specific to the Electrical Engineering site. There is nothing we can do about it here. If you really think this is a good idea, then you should propose it on the main Codidact meta site. (more) |
— | about 4 years ago |
| Edit | Post #278823 | Initial revision | — | about 4 years ago |
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A: weak WiFi when microwave is running The microwave oven uses frequencies near some types of WiFi. The very strong radiation created by the oven is meant to stay inside the oven. However, even if only a small fraction gets out, it could easily overwhelm the relatively tiny WiFi signals. This could actually be indicating a potentiall... (more) |
— | about 4 years ago |
| Edit | Post #278820 | Initial revision | — | about 4 years ago |
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A: Can recommended features questions be asked? I think this could be on topic if done carefully. We don't want this to devolve into a popularity contest of everyone's favorite features. Answers also can't be about opinions of which features "everyone should have" in general. If you describe a particular application, it could be appropriate t... (more) |
— | about 4 years ago |
| Comment | Post #278793 |
This is meta, so downvotes only mean disagreement. No big deal. You also don't know who voted and which way they voted. In this case, the user with the obnoxious name with blanks and two dots (that should be disallowed) was being snarky (no real harm in that), but you can't assume he downvoted, or... (more) |
— | about 4 years ago |
| Comment | Post #278760 |
@LvW: You are asking about many different circuits, and mixing two different concepts into the same question: Whether people recognize the names you used above to know the circuits, and whether they know of real life uses for those circuits. That's too much for one question, and makes the composite ... (more) |
— | about 4 years ago |
| Comment | Post #278760 |
@LvW: I've already told you what to do if you want to know what common applications a particular device has. (more) |
— | about 4 years ago |
| Comment | Post #278760 |
@LvW: So you're really asking if anyone recognizes the names or abbreviations. They may have used a circuit like that, but be unaware of what you call it. However, that's not how your question reads. It's written implying we are all supposed to know what those names mean. (more) |
— | about 4 years ago |
| Comment | Post #278616 |
Extended discussions in comments deleted. If you want to argue technical points, put them in your answers. (more) |
— | about 4 years ago |
| Edit | Post #278760 | Question closed | — | about 4 years ago |
| Comment | Post #278760 |
This question is too broad, and the answers will be vague at best since "significance" is very subjective. In addition, the circuits you ask about need to be defined, preferably with schematic. These names aren't standard, or at least not in common use. It could be OK to have each circuit in a sep... (more) |
— | about 4 years ago |
| Comment | Post #278670 |
@Peter: Then I'd have to read and vet his articles first. I've done measurements too. (more) |
— | about 4 years ago |
| Edit | Post #278601 |
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— | about 4 years ago |
| Comment | Post #278718 |
@manas: Yes, the power dissipation of multiple resistors do add, assuming they are spaced far enough to not significantly heat each other. The voltage rating also adds when the resistors are in series. However, the question wasn't about either of these. (more) |
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| Edit | Post #278718 |
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| Edit | Post #278717 |
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— | about 4 years ago |
| Edit | Post #278718 | Initial revision | — | about 4 years ago |
| Answer | — |
A: More accuracy from multiple resistors in series or parallel? The worst case won't get any better, whether series, parallel, or some other combination. The result of two 1 kΩ ±5% resistors in series is a 2 kΩ ±5% resistor. The probability that the result is closer to the middle gets better with multiple resistors, but only if ea... (more) |
— | about 4 years ago |
| Edit | Post #278717 | Initial revision | — | about 4 years ago |
| Question | — |
More accuracy from multiple resistors in series or parallel? What happens to the overall accuracy of a resistor if I implement it as multiple resistors in series or parallel? For example, can I get better than 2 kΩ 5% by putting two 1 kΩ 5% resistors in series? Or are two 4 kΩ 5% resistors in parallel better? Is there some way to use mul... (more) |
— | about 4 years ago |
| Comment | Post #278707 |
Unfortunately all too often X can't really deliver 3-6 months faster. They are misleading the customer to get the job, figuring they'll get the extra later when the customer is already committed and can't easily go back to a more honest contractor. (more) |
— | about 4 years ago |
| Comment | Post #278707 |
I generally agree, except that how competitors are perceived to perform should NOT be part of any estimate. For estimates to be useful, they need to be honest assessments, and not based on wishful thinking. That causes much trouble later in the project. (more) |
— | about 4 years ago |
| Comment | Post #278703 |
I don't think it's worthy of a downvote, so have an upvote from me. (more) |
— | about 4 years ago |
| Edit | Post #278704 |
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— | about 4 years ago |
| Edit | Post #278704 | Initial revision | — | about 4 years ago |
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A: How to estimate time of completion while developing an electronic product? There is no easy answer to time-estimation. Experience is essential, but even for experienced people it's never easy. For simple projects, like designing a DC-DC converter inside some larger product, it comes down to having done it before and using that as the starting point. After a while, you ... (more) |
— | about 4 years ago |
| Edit | Post #278670 |
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| Edit | Post #278670 |
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| Edit | Post #278670 |
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| Edit | Post #278670 | Initial revision | — | about 4 years ago |
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A: De-bouncing input signals? Bouncing signals When a mechanical switch opens and closes, there is often vibration in the contacts so that they open and close several times rapidly until the new steady state is eventually reached. Bouncing is perhaps easier to visualize for a switch closure. Two conducting things (conta... (more) |
— | about 4 years ago |
| Edit | Post #278669 | Initial revision | — | about 4 years ago |
| Question | — |
De-bouncing input signals? I've heard that input signals to digital circuits should be "de-bounced", at least sometimes. What is de-bouncing? Why is it needed? When is it needed? What is bouncing around in the first place? (more) |
— | about 4 years ago |
| Edit | Post #278636 |
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| Edit | Post #278636 | Initial revision | — | about 4 years ago |
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A: Why Ib=const. for BJT output characteristics Ic=f(Vce) Getting into wars about whether something is current controlled or voltage controlled is pointless. In most cases, there is some of both going on. Which "one" to call it then has more to do with personal biases than physics. However, the real answer is that we do electrical engineering here. Mo... (more) |
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| Edit | Post #278582 |
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| Edit | Post #278602 |
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| Comment | Post #278602 |
@manas: I was trying to be blunt in what someone's thought process would be. Some people need to hear that. Nobody is being called an asshole. Actually, in one place I had a bunch of characters (number sign, dollar sign, at sing, ampersand) like they show in cartoons sometimes, but something trigg... (more) |
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| Edit | Post #278602 |
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