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There are 505900 individual articles here that are part of 33186 discussions
Please see below the list of the most recent and the best rated articles in Electronics Design

The most recent discussions

OT farmed and dangerous


May 20, 2013, 2:39 pm

Hi, A wonderful Canadian farmer is being epically harassed by the out of control Canadian Food Inspection Agency! Really unbelievable that is happening! I drink raw milk and know how healthy it ... Read more »

OT hard drive recovery


May 20, 2013, 2:20 am

Hi, A bit off topic but I'm looking for some advice on harddrive recovery. I ran out of motherboard SATA ports when buying a new HD, and had a RAID PCI-e card laying around with some SATA ports ... Read more »

This is good use for a scope.


May 19, 2013, 8:34 pm

http://www.youtube.com/watch?feature=endscreen&NR=1&v=Il_eju4D_TM Although I have done this many times myself, I thought this guy did very well in this demo. Years ago I had coax going up to the... Read more »

TNC jack limits


May 19, 2013, 1:53 pm

Looking to select a common coax plug and jack to use, i am leaning towards the TNC style. Most specs I've found do not give an extra cut of freq for low reflection effects. Was looking at the ... Read more »

These people will stop at nothing


May 19, 2013, 1:47 pm

For a while i've been getting e-mail randomly from LinkedIn professional network. Now I always future check messages and I never click on this crap. Just yesterday I got one from LinkedIn, ... Read more »

Telephone Question


May 19, 2013, 11:59 am

I have a Radio Shack Duofone Telephone Amplifier System Model 43-278 I have been unable to find a schematic for it..... This is an amplified telephone listening system and has lots of transistors... Read more »

Electrician vs Instrument technician


May 18, 2013, 7:39 pm

http://youtu.be/qcsoqIylmDI -- Boris Read more »

accidental differential pairs

  [ 2 ]
May 18, 2013, 6:08 pm

Suppose you took a couple of transistors off a reel (I'm thinking BCX71K maybe) and made a diffamp out of them, running at a couple mA maybe. I wonder what sort of equivalent offset voltages you mi... Read more »

LM317 in LT Spice


May 18, 2013, 11:59 am

Surprisingly, LTC makes an LM317 http://www.linear.com/product/LM317 But LT Spice doesn't seem to have a model. Does anybody have a working LT Spice sim that includes an LM317? -- John Larkin ... Read more »

klutzy web site


May 18, 2013, 11:30 am

http://www.nxp.com/parametrics/48014/#/p=1,s=0,f=c7e3a1:109;405,c=,rpp=,fs=0,sc=,so=,es= -- John Larkin Highland Technology Inc www.highlandtechnology.com jlarkin at highlandte... Read more »

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The best rated discussions

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5

Re: floppy drive emulator hardware usb or sdcard


On Apr 16, 11:53 am, alfons de wolf en e NoLife ;-) One possibility is a virtual drive. One, create a virtual drive in memory. Two, make an image of your floppy disc contents on a flash drive... Read more »

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propagation velocity experiment


This would involve CK722 transistors, slotline samplers, and pecan pralines [1]. Unit of measure would be kiloseconds. Let's see what happens. John [1] The crunchy kind, of course. Only Yankee touris... Read more »

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5

Squegging in LC oscillators


I have been playing around with my homebrew VFO, a Hartley oscillator, with a tapped inductor in the tank. Rough parameters: 6AH6 pentode for the VFO, tank resonant at 1.8Mc, plate circuit resonant a... Read more »

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LT Spice schmitt oscillator

  [ 2 ]

Does anybody have a working LT Spice netlist for a simple schmitt inverter/R-C oscillator? I tried one using the library schmitt inverter and get obscure sim errors, and I don't understand the HELP ... Read more »

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5

DSP Device for Guitar Pedal Effect

  [ 2 3 ]

I was wondering what DSP chip would be appropriate for a guitar pedal effect. I need to sample the incoming signal preferably at 96kHz perform a simple numeric function upon each sample and output h... Read more »

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5

Visio logic symbols

  [ 2 ]

Does anyone know of a location from which to download simple logic symbol shapes for Visio (and gate, or gate, etc)? Read more »

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Protection circuit to be used for a gate pulse of SCR


Hello, I am doing a project on a temperature control system.My controller has been designed in LabVIEW and I get a control signal of 0-5V output from DAQ which needs to be given as gate pulse to SCR.... Read more »

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Secure PIC programming


Hi We have customers using PICs who sometimes need to re-program them with updated firmware. It's inconvenient to have to ship the equipment back to a service centre, and most customers are quite... Read more »

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Analog Design, Kick off


Hello Friends, It=92s my pleasure to introduce a site which would have a pool of documents and free books. This introduces my 1st experiment in blogging, starting with a topic that is focused directl... Read more »

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rechargeable batteries


Hello How can I charge a rechargeable battery in the lab, what's the 'reverse connection'? Read more »