Latest threads in Electronics Designshow only best voted threads
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Universal tester, puzzled
This place again... I don't see how its supposed to work at all. Do you? NT
4
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8 years ago
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4 | |
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PIR module circuit
Could some electronics guru please help ? Standard PIR modules (e.g., BS1600 or BS1700) are somewhat expensive for what they do. Could someone please direct me to a circuit diagram for any of these...
1
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8 years ago
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1 | |
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LCD cleaning
Hi, I've always advocated "100 proof"[1] alcohol and a microfiber rag to clean LCD monitors. Is there a commercial product (that doesn't have silly additives, dyes, etc.) that I can recommend to a...
66
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8 years ago
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66 | |
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opamp thermal errors
Opamps usually have specs for Vos, Vos tempco, Theta-ja, and max power dissipation. But nobody seems to talk about input offset as a function of power dissipation. The concern here is thermoelectrics...
26
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8 years ago
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26 | |
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Adjustable AC power supply
An adjustable 30V AC power supply sounded like a cool thing to have on the bench, so I decided to throw together figure 3 on this web page: I used a few junk box substitutions for the BC550B and the...
7
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8 years ago
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7 | |
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LTspice simulation is taking too long to run
Greetings people ! So lately, I have been working on my Sigma Delta ADC and before going advan ce, I wanted to have a base model WORKING (1ST ORDER, 3 bit digital output) . The circuit is quite...
11
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8 years ago
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11 | |
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Big ship at Marina
Hi Bob, Eastern ship builders brought a ship to the marina today. Take a look, West side. Mikek
13
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8 years ago
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13 | |
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RMS jitter
I should know this, but it's easy to ask. Assume the rising edge of a pulse that is delayed from a trigger, and that has 1 ns p-p jitter relative to trigger, with a uniform probability distribution....
7
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8 years ago
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7 | |
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Sample & Hold, did they go out with the buggy whip?
Hi Folks, Got to conserve some energy in a micro-powered mote. One place to cut is a sensor that's a power hog. So we want to briefly power it, sample, hold, turn the sensor power off and then let a...
86
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8 years ago
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86 | |
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OT: Tianjin explosion
This video compilation is pretty intense - I'm surprised the cameraman in the third clip made it out alive (assuming so since we're watching his recording)...
93
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8 years ago
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93 | |
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appropriate carrier frequency for Modulation
Hi I would like to know can anyone explain to me is there any way to figure out the appropriate carrier frequency(For modulation) for a given signal frequency response and bandwidth and channel...
15
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8 years ago
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15 | |
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2N2369 reverse Vbe avalanching, consequences?
Folks, I'd like to use a MMBT2369 in a design where there are no protection diodes. Mainly because the not so well performing FET that was in there had one integrated. So, in order to get very low...
99
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8 years ago
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99 | |
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PowerSonic
Hi, I've got lots of UPS's, here. Probably a dozen or so. Almost all are 1500VA units but typically see only a third/half of that. They serve the purpose of giving me "extra outlets", a single...
18
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8 years ago
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18 | |
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How to generate ODB++ from older PADS version?
Folks, A contract assembler wants ODB++ and my layouter uses PADS 3.1 which can't do that on its own. Does anyone know how a trick to generate this output from a PADS 3.1 file?
11
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8 years ago
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11 | |
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Help required in designing symbol for a circuit (LTspice)
Greetings, hope you people are in Good health and good mood ! I am working on a Sigma Delta ADC as final year project and it requires op- amps. The component section has the required ones but we need...
5
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8 years ago
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5 |