Latest threads in Electronics Designshow only best voted threads
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ARM is sold
This could be bad. Maybe the world needs an open-source RISC architecture.
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7 years ago
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temp sensor 3pin IC, marked AZP18
On a neat compact SMD device as 3 stage cold alarm, preset temps. I wish to lower the presets about 3 degrees, powered for 10 years of a small Li cell. Assuming no temp sensor inside the PIC chip, 3...
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7 years ago
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Help identifying connector
(The images of the plug are stills from a video. I don?t have it in my possession.) The header measures approx.: pin dia: 0.6 mm,0.024 in spacing: 3.85 mm, 0.152 in How can I identify the type of...
3
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7 years ago
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Phototransistor fed to a transimpedance amplifier
Hi all. I'm running through some test of a phototransistor signal conditioner, and I'm facing with wild noise issues. The conditioning is a basic TIA stage: Feedback resistor is 5K, feedback capacitor...
45
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7 years ago
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OT: The Californica "Paradise"
The Californica "Paradise".... ...Jim Thompson -- | James E.Thompson | mens | | Analog Innovations | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | San Tan Valley, AZ 85142 Skype:...
12
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7 years ago
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12 | |
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Cascode emitter follower
What think ye? Purpose: increase the output voltage range of an emitter follower. Like, the complementary follower in the output of an audio amp. But maybe not for audio, but for 50 ohm loads, hence...
44
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7 years ago
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Tek TDS 744A -> TDS 784A upgrade hack!
Hi, all, Just wanted to report success in upgrading my TDS 744A scope (500 MHz, 2 gigasamples) to a much swoopier TDS 784A (1 GHz, 4 gigasamples). It now identifies itself as a TDS 784A everywhere...
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7 years ago
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inverse beta
Anybody know the the typical inverse beta (positive base current, negative collector current) of a typical NPN gumdrop transistor, like a BCX70 maybe? I suppose I could get off my swivel chair and...
54
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7 years ago
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54 | |
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OT Complex analysis book recommendation?
I need to get someone up to speed on the application of Z-transforms. My standard reference on this topic is EI Jury's text, but it does assume a knowledge of complex analysis which seems to be a bit...
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7 years ago
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OT: Archiving a Sub-Directory, Preserving PathsI
I have a directory tree: C: PSpice DeviceLib X-Fab XB06 NewLib I want to just zip the contents of directory NewLib (and its subdirectories), but maintain the path information in the archive all the...
5
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7 years ago
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hints for design of a DDS?
I am looking for information and hints for the design of a Direct Digital Synthesizer that should generate a narrow-band FM signal from a reference frequency and numerical parameters. Not to design it...
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7 years ago
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OT: Sno-o-ort
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7 years ago
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Reactive energy recovery
Could some electronics guru please shed some light on this topic. What would be a good way to recover reactive electrical energy ? I have searched on Google, several people have claimed it is...
22
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7 years ago
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Bad Cap on my air conditioner
Wife called me and said the house temp was 81* and the thermostat was set to 78*. I poked around and happened to be outside near the compressor/condenser unit when the compressor started. I noted the...
32
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7 years ago
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Fluorescent Fixtures
I have five two-tube fluorescent fixtures in my garage/shop. Being lazy I leave them on 24/7 rather than groping for the switch. How much power do those typically pull? If it's significant I'll add...
159
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7 years ago
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