Latest threads in Electronics Computer-Aided Designshow only best voted threads
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ANN: PCB Synergy
I have finally finished my shareware SMT Machine program It reads Protel ( from Autotrax to Altium Designer) and spits out Yamaha/Philips UFOS,YV series, Mydata, Fuji MCS, Gencad 1.3, Philips, FCM,...
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13 years ago
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SUBCKT Declarations in LTspice?
Sent also directly to Helmut Sennewald... I have a whole chip design, relatively simple, simulates in 75 seconds in PSpice, that my customer would like made into a subcircuit for LTspice. Needless to...
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13 years ago
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Random Bit Generator
I'd like to conjure up a random bit generator. Just feed it a clock and have it generate random bits. 74HC... components preferred... I have most everything in that family in my parts bin ;-) Thanks!...
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13 years ago
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QUCS Users?
Hello, all. Is anyone currently using the Linux-based Quite Universal Circuit Simulator freeware ( in their design projects? Thank you for your time and comment. Sincerely,
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13 years ago
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LM723 Based Power Supply
Hi Everybody, I need to build my own power supply. I need a proven circuit for 0 to 30V DC variable power supply with minimum 2.5 A current output. I thought I had hit on something good here: But...
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13 years ago
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help wanted
hi !!! my name is Jose Moreno and I am starting a new website for an 8 bit computer from the 80's , there have been people who have made schematic diagram of projects to upgrade this old machine but...
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13 years ago
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What should be the value of the resistance?
Small signal voltage gain by one small resistance connected to emitter through a large by passed resistance and junction to base resistance for negative feedback. If small R is 0.22K and Rc=10K. What...
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13 years ago
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Fast Recovery Diode
Hi Everybody, Could someone please explain the use of a Fast Recovery Diode? I am particularly interested in: 1. How is this diode different from a regular rectifier diode. 2. The role of these diodes...
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13 years ago
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Anybody have a model for LM3668 Buck/Boost DC/DC Converter?
Need a model Can't find anything.
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13 years ago
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Stepping the Ton parameter of a pulse in LTSpice
Hi to all. How can one step the Ton parameter in a pulse voltage source. I can step a voltage source using .step V1 1 20 1 , step from 1V to 20V in 1V steps If I change V1 to a pulsed voltage PULSE(0...
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13 years ago
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PSPICE MODEL EDITOR
Does anyone know of a book or reference material that describes how model editor works with good detail. I have seen some good PSICE books but most mention the model editor in passing. Thanks
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13 years ago
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Stepper Motor Question
_Vague_ Stepper Motor Question: What is the maximum rate one might expect to step from phase to phase? Thanks! ...Jim Thompson
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13 years ago
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OT: iTunes to Roku Soundbridge
There is supposed to be some way to play Internet Radio, whose format is directly incompatible with Roku Soundbridge, using iTunes as a server. I can get local music libraries to work that way, but...
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13 years ago
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DVD Burner?
In keeping with my policy of staying way behind the bleeding edge of technology, the only DVD burner I have is a stand-alone Sony unit that I feed video from my camcorder or DVD player. What do you...
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13 years ago
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OT: Griddle Latch
This griddle... doesn't have any way to latch the two halves together so that it can be stored on-edge... it flops open. The drain configuration (close-up) suggests some kind of latch could be...
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13 years ago
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