Latest threads in Electronics Designshow only best voted threads
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LM566 alternative.
I have benn trying to find a decent alternative to the LM566 VCO. It does not seem to be sold anymore at reputable sellers and the ones on EBay (from China) I don't trust to be authentic or...
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7 years ago
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EMI-resistant input transformer design
Hi, all:= Okay, so I have a very low level very low noise narrow band signal at < 1MHz coming in over shielded twisted pair with a fairly active EMI environment. I've designed an step-up input...
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7 years ago
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Panasonic KX-P1093
ANYbody have a manual for the Panasonic KX-P1093 ? Also, ANYbody have a driver? So far,drivers for the Epson FX-100, FX-80, FX-80+ and the LX-80 all(more or less) work. Problem is graphics is all low...
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7 years ago
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1940s radio
I'm looking for any info on this one, I've found next to nothing online. It has no manufacturer name anywhere, and no back. It's a 3 valver with mazda octal military valves, 2x VR65 rf pentodes (aka...
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7 years ago
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OT: Shaped Spotlight ??
Shaped Spotlight ?? Is this obtainable, a shaped spotlight with a 16" x 12" pattern at 5' from the ceiling? ...Jim Thompson -- | James E.Thompson | mens | | Analog Innovations | et | |...
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7 years ago
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Superior PCB assembly workmanship
Dig the superior workmanship on the underside of this Chinese built "eBay Special" SMPS bench supply!
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7 years ago
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small DC motor - attachment to spindle?
I have a small dc motor (think slot car), being used as a door actuator for the door locks on my car. It has an attachment on the 20mm long spindle. I've looked and looked, pro dded, pulled (lol), but...
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7 years ago
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Damn, burned out my 100-watt 50-ohm resistor!
A major meltdown last Friday for my 8ns 1kV SiC MOSFET pulser. After set of tests at 400V and 4MHz repetition rate, with everything working fine, I had to increase the frequency. A loose hand slip and...
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7 years ago
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OT: Week End Project
...Jim Thompson -- | James E.Thompson | mens | | Analog Innovations | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | San Tan Valley, AZ 85142 Skype: Contacts Only | | |...
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7 years ago
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Voltage controlled duty cycle with a CMOS inverter
Hi I need a dirt cheap voltage controlled duty cycle I have a couple of inverters on the board that are free to use. Anyone done a voltage controlled duty cycle with a 5V logic inverters? I can't use...
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7 years ago
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Heathkit, Clock
I see they now have a 7-segment Clock kit availble. BTW, my first kit was one of those Mostek IC clocks in the 70's. Lasted well into the early 90's Cheers
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7 years ago
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ESD protection chips
Hi, all, I'm in the midst of productizing that cotton spark detector that I demoed in the spring, and talked about here a fair amount. The architecture is a main control panel talking to N integrator...
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7 years ago
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exponential converter temperature stabilization
Could some electronics guru...heh, no, I'm not that guy. But could some electronics guru explain how this circuit is supposed to stabilize the Vt dependence of a differential pair V->I exponential...
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7 years ago
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Digital sound system
My TV has a optical jack to hook up a digital sound system. The manual has no additional details on that jack. I would like to hook up some external speakers to hear better sound that those cheapie...
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7 years ago
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Voice Recorder as Test Signal Sorce
What would be the cleanest automated way to retrigger this digital voice recording module to play back a "continuous" sound? In other words, if the recording is 20 seconds long, to retrigger playback...
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7 years ago
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