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Jan16-12 Greg Bernhardt
Hello, I haven't learned anything about micro controllers yet but I wanted to get a head start since I hear that...
Jul21-14 08:30 AM
21 6,228
Even as a kid, I saw beauty in old devices. That made me want to understand how they worked. I had lots of old...
Jul21-14 12:14 AM
21 5,062
I've occasionally been asked by some of the students I've mentored or TA'd over the years, "What's in your toolbox? ...
Jul13-14 10:34 PM
63 77,016
ansoft, maxwell Sticky Thread Pinned: Maxwell 3D (ANSOFT) ( 1 2 3 ... Last)
Dear all, I'm a new user and I like to exchange information about the use of this tool. From my point of view tool...
Jul5-14 05:32 AM
193 86,136
I came across another good search engine today looking for a datasheet, so I thought I'd try starting this thread for...
Dec3-13 12:53 AM
27 55,463
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Mar26-08 12:32 PM
0 29,840
So, my goal is to be able to take two walkie talkies and put one of them on a near space balloon and have a...
Apr21-11 11:20 PM
5 2,005
I want to doing a project for wireless transfer of data biomedical for example data of ECG or EEG ...with zigbee. ...
Apr21-11 02:57 PM
2 892
Hi everyone, :smile: I was wondering why they only use 5th and 3rd groups elements to create n-type and p-type...
Apr21-11 03:56 AM
2 1,048
Hey everyone, I just went to Radio Shack and picked up a few parts to begin a book on Electrical...
Apr21-11 01:12 AM
2 894
In high speed digital designs, there is a series terminating resistor to match the output impedance of the driver IC...
Apr20-11 04:28 PM
Bob S
7 2,381
Dear all I am slightly confused over the equations for skin depth. My university notes give me the equations: ...
Apr20-11 04:23 PM
Bob S
1 3,143
I am working on a space balloon project and I wanted to send video, or pictures, back to earth via walki talki. I...
Apr20-11 01:32 PM
18 2,456
Hi, The following circuit is the the very basic form of an Hbridge inverter driving a parallel LC tank at its...
Apr20-11 05:14 AM
2 972
Using a neon 15kv transformer rectified (NTE5342@ 40 amps) to dc at the transformer input, I don't want to rectify the...
Apr19-11 11:42 PM
2 1,228
hello i am new, i thinking to make a fm radio receiver but i don't know what i need (capacitor, oscillator etc) can...
Apr19-11 07:53 PM
9 1,996
Hey everybody, I've been trying a bit of an experiment involving cascading an inverting logarithmic amp with an...
Apr19-11 07:08 PM
Bob S
7 2,723
There are lots of for metal cutting measurement. However, thermocouple is not in the list of metal cutting...
Apr19-11 05:52 PM
1 929
Dear all, I measured some very nice data, but it's difficult to analyze, but I try to get out of it what I can. I...
Apr19-11 05:26 PM
1 1,359
I was studying First and Fourth quadrant choppers and that got me thinking. Can the chopper run in the first and...
Apr19-11 12:30 PM
3 909
Hello Everyone, I am working on a system for an undergraduate project that uses pulse width modulation to power two...
Apr18-11 05:03 PM
16 3,780
What is the meaning of full load and no load, in the context of motor? Does the load here mean mechanical load?
Apr18-11 02:44 PM
5 3,149
Hello Guys, I am planning to design electrical grid connected with solar distribution generation system using...
Apr18-11 01:27 PM
0 1,546
I need to find out how a certain pulse width modulation duty cycle is used in SMPS power supplies (specifically a...
Apr18-11 12:53 PM
1 2,245
I work in a laser lab and I'm constantly hearing about electronic components that I don't understand (my background is...
Apr18-11 09:33 AM
2 2,451
Hi, I've understood the basics of an RLC circuit but it seems that when actually putting them into practice I'm...
Apr18-11 08:19 AM
3 3,750
i want use plc program to I want Basthaddam 2 TON timers seemed to run the bulb of 6 seconds and not run them at...
Apr18-11 07:18 AM
1 695
hi every body i want to know what is meant by semi blind detection and data equalization. also do i know the...
Apr18-11 04:25 AM
0 647
I realize this probably fits better in Academic Guidance but I figure I'll get better results here. I'm trying to...
Apr18-11 04:25 AM
21 4,745
Hello good people. I need to run a brushless motor on an esc but the equivalent speed controller is three times the...
Apr17-11 10:09 PM
2 1,435
I am being confused at a basic grounding question. I think the only reason, why you get a shock if you touch a live...
Apr17-11 08:20 PM
26 760
i have an assignment on PF vs frequency in 3phase diode rectifier the DR want me to draw a graph and stuff but im not...
Apr17-11 04:01 PM
8 2,102
nvm answered my own question, someone delete this please.
Apr17-11 01:51 PM
0 474
Dear! Can anybody please explain this pulse induction metal detector.plz Please let me know what does these op-amp...
Apr17-11 04:46 AM
0 987
hey,dude,i m confusing about the precision rectifier...why the Vout =E,my question is why the Vout=E - V(diode) ?why...
Apr17-11 01:28 AM
2 1,454
Hello... I did a circuit for sending serial data to the computer, so i used max232 ic. I used 1uf non polarized...
Apr17-11 12:32 AM
3 1,138
Hello. When I short-circuit my power source/supply, I read 1.5 mA at 120+ VDC. For my purpose, the voltage is...
Apr17-11 12:23 AM
6 3,028
Hello everyone. I'm building a few simple percussion synthesizers with a design from "TAB Electronics Guide to...
Apr16-11 10:34 PM
3 953
what should i add to reduce a certain percentage of the THD of the current source in a full bridge diode rectifier...
Apr16-11 04:57 PM
0 628
Hello everyone! I have been an avid reader for some time now, and a huge fan of this site. I love digital...
Apr16-11 02:52 PM
Kenneth Mann
31 4,120
Can anyone provide some introductory links of Model Predictive control Thank You, Yaswanth
Apr16-11 01:55 PM
3 1,974
Hello all, This is my first post in this forum. Hope can get some constructive help from the community. I did some...
Apr16-11 11:43 AM
5 2,932
I am wanting to make something that allows me to open a valve to turn water on or off. I am wanting to figure out a...
Apr16-11 08:55 AM
4 1,678
Hi everyone, How do u measure temperature, let's say of a car bulb without using a thermometer? Your ideas are...
Apr16-11 05:38 AM
3 1,164
Hello everyone, curious about something here. I saw a demonstration lately were a magnet was dropped down a copper...
Apr16-11 03:02 AM
Robin Hooper
2 3,594
So the MOSFET's output current in a simple buck converter with a PWm a driver and a MOSFET and LC circuit. The...
Apr15-11 03:10 PM
8 4,299

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