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Jan16-12 Greg Bernhardt
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Mar26-08 12:32 PM
berkeman
0 31,490
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...
Aug25-14 03:20 PM
Fuxue Jin
196 96,449
I came across another good search engine today looking for a datasheet, so I thought I'd try starting this thread for...
Aug22-14 02:05 PM
Jamesangelo
28 59,042
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
NATURE.M
63 83,824
Hi All, I know that when water pass through a 90 degree bend pipe, there will be a pressure lose. However, how to...
Apr28-10 11:13 AM
bigreat
13 3,223
HP's memristor continues to catch attention as a fundamentally new and disruptive technological component: ...
May1-10 12:13 PM
fourier jr
11 3,750
Hello everybody, im trying to simulate electric and magnetic fields of high voltage transmission lines (im using DC...
May1-10 09:10 PM
Radinax
6 7,220
Hey guys. i am on a little project here, may i know hot to calculate heat dissipation from processor and HDD ? is it...
Apr29-10 04:39 PM
klipper76
11 3,158
I'm trying to figure out how to build a breadboard instrument using either push buttons or logic switches as they keys...
Apr26-10 12:14 PM
berkeman
14 1,625
Hello, I am building a custom electric vehicle using an existing controller and motor combo. The controller...
May3-10 02:03 AM
vk6kro
8 5,767
Hi, in the paper I've attached, they give a method for generating a polynomial g for the amplitude response of a...
May2-10 04:23 PM
cuallito
3 2,920
Hi, I was studying the effect of high voltage on the properties of Mylar film. The voltage input can be both DC...
Apr27-10 11:52 AM
Carl Pugh
3 1,909
Hi, Its great to see a forum like this thanks for your efforts and thinking that PF can help me a lot. I Am ANANTH...
Apr27-10 09:26 AM
sai_rajdi
11 1,748
Just like the title, does battery capacity depend on internal resistance? I know it does depend on the temperature...
Apr28-10 09:58 AM
m.s.j
1 2,520
I would like to measure the distance between team players in the field. I need a device that can signalize when a...
Apr26-10 03:37 PM
Studiot
7 1,500
Dear all, here's my first request for a little help (maybe also in finding the proper subforum...) I'm working...
Apr27-10 07:47 PM
Mike_In_Plano
4 993
So I have to build a boombox using transistors as amplifiers for my Engineering Electronics class in college and it...
Apr26-10 05:46 PM
dlgoff
3 4,502
Hey all, I am trying to make a simple remote controlled switch (without any digital IC's) and was wondering if...
Apr27-10 01:08 PM
jbord39
9 1,395
Hi, So I have this strange issue with 16f628a. If I connect RB4 it to +5V, everything hangs, all ports go to 0. It...
Apr26-10 08:17 PM
Averagesupernova
5 7,914
Hi, I am attempting at making a simple device that will run on dc power that just spins a item i place vertically in...
Apr26-10 11:30 AM
nryan34
0 1,576
i need a good reference or book that teaches programming pic microcontrollers using assembly language, any help?
Apr27-10 11:27 AM
TurtleMeister
1 3,977
I have Distribution board, Outgoing (D.B1) But I got confuse for MCB sizing: The busbar 400V, 125A, 50Hz, 4P, 10KA...
Apr28-10 07:43 AM
m.s.j
3 9,186
Hey All, does anyone know what algorithm matlab uses to determine the autocorrelation function when you use the...
Apr29-10 11:10 PM
MATLABdude
1 9,986
i am designing a stepped attenuator using pin diode as a switch in microwave office. i am having difficulty in using...
Apr29-10 04:07 PM
berkeman
12 2,892
Hello all, I am new to the forum and hope my question is appropriate for this section. My question is about...
Apr29-10 07:11 AM
m.s.j
1 2,449
Hi all Im doing work on laser interferometry for my final project,just wondering if there are any experts or...
May2-10 06:01 PM
kelvin5885
8 1,611
My question is if you connect multiple transformers together with the secondaries in parallel, how do you calculate...
Apr29-10 08:04 AM
m.s.j
2 2,527
I was organizing pennies into categories based on what they were composed of; before 1982 (I believe) pennies were...
Apr28-10 08:36 PM
BuddyPal
0 1,812
I know what this is SUPPOSED to do, but I have no diagram to show me how to hook up the *counts* 36 pins. Image...
Apr30-10 02:25 AM
Wetmelon
2 1,417
Dear all I just joint with the group, I want to make solenoid self. I need plunger moving more 100 times/s, with...
May1-10 02:39 AM
Wetmelon
5 3,705
Hello, I'm looking for some help with a (hopefully) simple EE question regarding a DC circuit. I'm a chemical...
Apr30-10 04:11 PM
sophiecentaur
6 10,112
Hello, What are the important differences between CMOS and CCD? I am studying the digital cameras
Apr29-10 04:25 PM
berkeman
1 2,300
Hi, what is the use of PFC?
Apr30-10 01:47 AM
uart
2 653
Hello everyone, i have my HTPC inside cupboard, thus when stressed it overheats. on top of the cupboard i have...
Apr30-10 10:20 AM
Shalashaska
2 866
I have a toy that is mounted 4 feet above the floor on which there are 3 pushbutton DSTP switches that I would like to...
May1-10 07:41 AM
ctctc
2 956
Hi, if cosine and sine waves are exactly the same wave except cosine starts earlier in time, why do they have...
May3-10 02:21 AM
Phrak
11 3,412
Hi, im trying to build an amplifier with 2 stages, common collector and common emitter. I biased for midpoint...
May1-10 04:43 AM
vk6kro
1 793
Hi first time poster. I'm a little stuck, through trial and error on Mentor graphics I was able to create the attached...
May2-10 09:16 AM
jeuhyis
7 1,785
I am looking for help on a schematic for a 12 transistor CMOS SRAM cell shown below. I understand how to implement the...
May2-10 09:37 AM
Shackman
2 1,944
What do inductive ballasts, like those used in fluorescent lights, do to power factor?
May1-10 11:40 PM
vk6kro
2 1,361
Hey all, I am looking for any expert who knows bout the ADC. I am planning to convert my audio analog signal to be...
May2-10 10:04 AM
lousyanson
4 1,161
Hi all -- I had a question about the Nyquist-Johnson noise formula: \ which of course can be approximated...
May2-10 01:45 PM
telegraphic
0 1,047
Hi! I was wondering if someone could help me understand how to construct an Electric Thermometer so it shows the...
May2-10 10:39 PM
abotiz
2 661
Hey guys, Basically, I have been doing some testing with regards to tactile vibrations (I know that isn't very...
May3-10 06:45 AM
philnev
2 22,523

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