Latest threads in Electronics Designshow only best voted threads
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Input of unpowered OpAmp
I had a voltage divider which was suppose to drop down a voltage to 3V conn ected to the input of an OpAmp. And it worked fine. But I noticed, when I powered off the OpAmp, that 3V dropped down to...
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10 years ago
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pajamaboy
-- John Larkin Highland Technology Inc jlarkin at highlandtechnology dot com Precision electronic instrumentation Picosecond-resolution Digital Delay and Pulse generators Custom timing and laser...
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10 years ago
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The power of combining things
Now that the Raspberry Pi can drive big FDS132 LED matrix displays in real time, I wondered what would happen if I sent the output of rtl_sdr dump1090 air traffic monitor to it by just using some...
5
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10 years ago
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PWM feedback
This is more of a practical question. I understand feedback and how it work s and can design controllers. However, these have been for dc (non PWM) mot ors using tachos with a dc output. What I want...
12
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10 years ago
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Anybody watching Bernanke?
He seems to have more stress in his voice than I have ever noticed before. Mikek
6
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10 years ago
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making a mag field
We have a requirement to design a gadget that will work in a 0.06T static magnetic field, and we want to use some miniature telecom type relays. They are not specified for field tolerance. So we need...
58
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10 years ago
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58 | |
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Irony
Irony: When a customer who doesn't pay his bills calls frantic, wanting to know if a supplier is trying to cheat him. Karma: He is. Cheers, James
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10 years ago
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Shielding ADC with High CMRR?
I'm currently laying out a PCB, and I'm thinking that I don't need to shiel d my 16-bit ADC because it has a differential analog input with a CMRR of 8 0 dB. I'm wondering if the CMRR will desensitize...
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10 years ago
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Need a bit more illumination?
If you need a bit more illumination in the hallways, closet etc maybe this will do it..
1
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10 years ago
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Can Emulator free (req)
Hello Dears can anyone know a Free CAN Emulator HW & SW out there? i'm trying to develop a small CAN interface so we can connect it to do some temeetry using a Cellular GSM module, but i need first...
2
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10 years ago
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2 | |
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OT: unScientific American blows smoke
OT: unScientific American blows smoke... ...Jim Thompson -- | James E.Thompson | mens | | Analog Innovations | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | San Tan Valley, AZ...
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10 years ago
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Okay fine, for sure, for sure
Somebody at Penton can definitely afford good drugs: . Ten bucks apiece for back issues of a low-information trade rag. Publishing history in the making! Cheers Phil Hobbs
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10 years ago
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ultra low power 433MHz detector?
Hello Is there any circuit able to wakeup a microcontroller when detecting the presence of a 433 MHz-0dbm in a tenth of meters(32 ft) with very low power consumption(Max 2uA)?The antenna should be an...
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10 years ago
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OT: Medical Expense
Medical expense for cut on palm of hand, requiring cleaning and three pieces of (very nice) tape to close the wound... Wonder what it'd cost _you_ under Obamacare ?>:-} ...Jim Thompson -- | James...
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10 years ago
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OT - What is this offer of a 'donation'?
received this email from some university student at a .edu domain: "Donation to you from Mr Paul White, ..." with the sender sending to themselves but coming to me supposed to contact ?? What is this?...
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10 years ago
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