Description:
Electronic circuit design.
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Can't post image ?
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The group can't post image, can it? It's not convenient for explanation.
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PSpice Logic Levels
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Along the lines of the question regarding LTspice logic levels... PSpice has a number of nice digital stimulus "parts", but they kick out _very_fast_ edges at 0-5V logic levels when connected to analog parts. So, in this past week, I have created some stimulus-level-to-analog parts with adjustable levels and rise and fall.... more »
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Nuvoton/Winbond !SD17xxx chipcorder looping
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Having had my emails ignored and being unable to find intelligent life in the Winbond/Nuvoton phone system - is it possible to do automatic power up message looping with the new ISD17xxx series of chipcorders ie apply power and the chip plays the single recorded message (which may not occupy the entire memory space) seamlessly forever (or until... more »
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OT: Why? Using eeePC as digital photo frame with server push...
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One add after the other for digital photo frames, pdf book readers, one even more expensive then the other (500 Euro???), so I thought " have a lot of jpg pictures, why not put a eeePC in the living room as digital photo frame, and have the main PC send the slide show?" So of course everything crahed or did not work (this confirms John Larkin's... more »
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Call for Papers - ISQED09
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Call for Papers ISQED 2009, 10th Anniversary of International Symposium on QUALITY ELECTRONIC DESIGN March 16-18, 2009. DoubleTree Hotel, San Jose, CA, USA [link] Paper Submission Deadline: Oct. 17, 2008 Acceptance Notifications: November 24, 2008 Final Camera-Ready paper: January 2, 2009... more »
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How to change logic levels in LTSPice?
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First time for me to do mixed mode sims on LTSpice. How do you change the voltage level of behavioral logic such as "AND" from the default 1V to some other voltage? Maybe even other parameter such as rise/fall times, prop delays?
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Universal Laser Systems P/N 12-900-D Schematic from around 1992??
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Hi people, Long chance I know but if you don't ask... I am trying to get an old Laser marking machine going and this board is almost working, just not putting out the correct PWM voltage. I need a schematic for this board if it rings a bell with anyone. Universal Laser Systems P/N 12-900-D Thanks Dave... more »
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Assembling tiny insulation-displacement connectors
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Hi guys: We are trying to put together a prototype that involves little JST insulation-displacement connectors to fit onto the ends of ribbon cables. They are the "ZR" type. The tooling to assemble these is astronomical in price. I wouldn't mind paying it if we intended to do the eventual production here, but... more »
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