Latest threads in Electronics Designshow only best voted threads
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OT: Sherlock Holmes Elementary Introduction Error
A long time ago I noticed a small discontinuity in the introduction sequence of the TV show, Elementary. It has to do with the revolvers. It occurred to me to look to see if anyone else noticed it and...
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4 years ago
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measuring rail currents on a board
This is hard to do if you didn't include a shunt resistor or something. It's not so bad if you can measure a trace resistance and voltage drop, but big power pours shoot that down. One way is to...
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4 years ago
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O.T. AoE x-Chapters, 20% discount
Our publisher, Cambridge University Press, is offering the AoE x-Chapters, at a 20% discount. until 29 February. "use code AEX2019P at the checkout to receive a 20% discount!" Paul and I have had our...
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4 years ago
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LM324 - Again but in more detail
This 2019 TI app note is interesting to anyone who previously thought they knew the LM324 all ways round: piglet
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4 years ago
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Ping Hoobs
Hi Phil Tried to get a hold of you on private mail, but guess it has been moved to the trash folder If you read this, can you check the folder? Regards Klaus
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4 years ago
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Phil H MMIC as TIA
Phil, Have you ever considered using a darlington-type MMIC, like a Mini-Circuits part, as a fast photodiode TIA? Apart from scant specs, and no Spice model, and ghastly DC behavior, it ought to work....
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4 years ago
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Breakdown voltage
I have set up simple circuit to test breakdown voltage: transformer + voltage doubler (with 22uF filterging capacitors) delivers about 156V. 156V goes trough 2.2M resistor to part under test. Paralel...
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4 years ago
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PS/2 vs USB Keyboard and why Logitech K120 belongs in trash !
Hello, In this video I prove why PS/2 keyboards are better for typing and gaming. In short: PS/2 drivers are optimized and use less CPU cycles and thus will remain res ponsive in HEAVY CPU GAMING...
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4 years ago
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A battery powered jacobs ladder - schematic included
Jacobs ladder and the effects of frequency and duty cycle with DC. Jacobs ladder in the dark
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4 years ago
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power supply
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4 years ago
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really tiny transistor
-- John Larkin Highland Technology, Inc picosecond timing precision measurement jlarkin att highlandtechnology dott com Order today, ships today. BFP840FESDH6327XTSA1 – RF Transistor NPN 2.6V 35mA...
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4 years ago
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Flybuck Cockroft-Walton
Hi, All, This is for a flexible photoreceiver board intended for use with PIN diodes, silicon and InGaAs APDs in both linear and SPAD mode, and MPPCs. We've been doing a fair number of...
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4 years ago
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PCB-NOWAY
We got some little test boards from PCBWAY. 0.062" thick, 4 layers, and we specified 12 mil dielectric between 1 and 2, and between 3 and 4. This is what they did: which looks like maybe 4 mils of...
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4 years ago
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Heat Sink
I have a retrofit to do. Nothing is pin compatible nor will even fit the mo unting holes. So when I select a replacement it is definitely not a drop in . It also looks like I have to add a couple of...
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4 years ago
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Magnetic field of a relay
In my quest for an inductor with a an inductance that can be varied with the magnetic field of a relay coil. What criteria would I look for to find a relay with the maximum magnetic field? I'm open to...
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4 years ago
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