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Nyquist Plotview story

http://forum.allaboutcircuits.com – Hi, Does anyone know if there is a way to do a nyquist plot (real Z) vs (Imag Z) in ORCAD SPICE? I would like to obtain this type of plot for a capacitor and/or battery circuit model such as the Randles cell which is R in series with R || C. Once I am able to create nyquist plot, then I can go one and refine/tweak the cell model. I can do a BODE plot just fine and get Phase, Ma (Embedded)

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Rapid Prototyping Tool for PCBsview story

http://forum.allaboutcircuits.com – Hello All. I'm working on a project with a friend. We want to create an all-in-one machine that can quickly prototype most circuits a hobbyist would build. (Embedded)

9
Use of AD623 Instrumentation Amplifierview story

http://forum.allaboutcircuits.com – Hi, I am trying to replace an analog ammeter with an AVR to measure current (up to 300A). I have an existing 300A/50mV shunt which is used for the analog ammeter. Obviously I don't want to read this directly into the AVR ADC as I will end up with very poor resolution with a maximum of 50mV. (Embedded)

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Repairing Keyboard Ribbon Cableview story

http://forum.allaboutcircuits.com – Hello guys, so I was trying to repair my laptop and I broke the keyboard connector and as a result the actual keyboard ribbon cable needs repairing, the end of the cable are carbon silver tracks which have been worn off, I wondering is it possible to repair the cable by add the carbon back on ? What sort of equipment would I need etc ? Picture of the cable is bellow: Regards Ali (Embedded)

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(H.S.V.A.) High Stress Voice Analyzerview story

http://forum.allaboutcircuits.com – Howdy Pardners: as a living room conversational piece, I am trying to build my own "High Stress Voice Analyzer"; just to have fun; back in the 80's you could buy a used Motorola phone (they had an electronic chip) that many project builders would use for this & other purposes. (Embedded)

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Question about wiringview story

http://forum.allaboutcircuits.com – Hello everyone, I'm new to the site and was hoping to get some help! I originally posted this question on a Toyota Celica car forum but I am not getting any responses, most likely because it is more to do with electronics in general and not the actual car. I have a 2000 Toyota Celica GT. (Embedded)

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Plotting Stability Circles on a Smith Chartview story

http://forum.allaboutcircuits.com – I need to plot a few stability circles on a smith chart to make sure this basic RF amp example design will be stable. The problem is, the center of one of the circles is WAY off the smith chart, by 10 units actually. If I wanted to graph it how I know, I would need a meter stick. (Embedded)

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fpv rc planesview story

http://forum.allaboutcircuits.com – Hey guys, so I just stumbled across fpv rc planes last night and spent the better part of 6 hours watching youtube videos on them and oh my god I think I've just descovered my future hobby. It looks incredibly fun, so much better than flying in 3rd person because you can actually see your planes location all the time, see your enviroment and you feel so much more immersed, like you're actually fl (Embedded)

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PIC Solderless Breadboard Adapter for saleview story

http://forum.allaboutcircuits.com – I have completed the PIC20BBA, Rev.1 solderless breadboard adapter. It is listed on ebay: http://cgi.ebay.com/ws/eBayISAPI.dll...m=151336648369 AAC members may buy one directly from me for $20 including shipping within the 48 contiguous USA states. Contact me via PM. (Embedded)

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Switching CT's : VFD-Motorview story

http://forum.allaboutcircuits.com – Okay so here's my problem... I'm working with a problem about a electric drive (VFD) input and a motor output. This is a three phase power system connected wye-wye. There are two CT's (current transformers) placed on two of the lines. (Embedded)

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Domain Registration.view story

http://forum.allaboutcircuits.com – Hello everyone in the forum. I want to know about the domains and their registration. Which is the best available source of domain available from where we can get domain easily and where its transfer is easily done without any hurdle. Tell me if some one knows. (Embedded)

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GX400 - 400W Audio Amplifierview story

http://forum.allaboutcircuits.com – Last revision GX400 amplifier is the result of a process of improvement and testing of an amplifier schematic who was wanted in the first to be a simple and compact amplifier, easy to build and with electronic components easy to find. I started polished schematic of the amplifier to be much better than revision no.1. (Embedded)