Latest threads in Electronics Designshow only best voted threads
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Global Warming and Pirates
Global warming is inversely proportional to the number of pirates Mikek ;-)
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8 years ago
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crash
-- John Larkin Highland Technology, Inc lunatic fringe electronics jlarkin att highlandtechnology dott com China’s stocks tumbled, with the benchmark index falling the most since February 2007, amid...
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8 years ago
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OT: Gas price
With oil at $1, wholesale gas at $1.8. Can't believe we are still paying $4.5 in the west coast. Drove to Arizona to fill up at $2.9. Still expensive, but OK. Will drive to Texas to fill up my...
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8 years ago
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RF transistor Acrian TT5021
I got my hands on a small lot of Acrian TT5021 RF power transistors. They are bipolar RF transistors in 7mm diameter white ceramic pucks (probably BeO) with four wings and a stud. They are probably...
2
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8 years ago
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Chinese text
Any Chinese readers here? Can anyone tell me what the Chinese text says here? BTW, it's a solder mask compound. Sylvia.
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8 years ago
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LT Spice, ringing LC
This is fun. The LC should ring at 1 Hz, but in the default Spice sim, it's low by about 1800 PPM. You have to crank the time step down to 10 us to get the error down below 10 PPM, and the sim gets...
12
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8 years ago
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OT: Samsung Galaxy Centura update
I found that there is a 3rd party kernel and ROM image available for this phone. Rooting the phone and installing the kernel allows the phone to be overclocked - the default setting for the ARMv7...
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8 years ago
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my mobile's socket is damaged. how can I remove and new socket replace in it
My Nokia mobile aasha 510 's socket is damaged how to remove it and place there new socket
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8 years ago
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Got these from my backyard
biggest blackberries I have ever seen... I love Virginia!
122
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8 years ago
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122 | |
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Need DC Solid State Relay Latch Up advise
I have a latch up issue with a pair of DC solid state relays that I need some advise. The two relays used are DC Tyco DS13-1000 (1 A) style relays. The outputs are tied in parallel with the Pos term...
1
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8 years ago
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Cleaning circuit boards of solder flux residue
This is a follow-on to the "Reverse polarity, Scotty" thread of September 2013, where the issue was how to clean a circuit board of soldering flux residue well enough for a 50 Gigaohm node to work. I...
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8 years ago
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Colpitts crystal oscillator in LTSPICE
I'm trying to simulate a low frequency Colpitts oscillator in LTSpice using an NPN darlington and a crystal, and I'm having a lot of trouble getting it to start up. Does anyone have a working one of...
59
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8 years ago
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chopamps
We use a lot of ADI chopper opamps, like AD8628. Be warned that they have a lot of personality. The input offset voltages seem to depend on the capacitances seen at the input pins. When they go...
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8 years ago
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green rectangle
-- John Larkin Highland Technology, Inc picosecond timing precision measurement jlarkin att highlandtechnology dott com
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8 years ago
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CA3140
I found a bunch of CA3140 dual BiCMOS op amps in a drawer that I didn't know I had. Are these things useful for anything? Any particular applications?
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8 years ago
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