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Jan16-12 Greg Bernhardt
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 96,533
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 59,073
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 83,865
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Mar26-08 12:32 PM
berkeman
0 31,501
I am trying to find an 500 MHz uhf transistor for a project and I need one which is big enough that i can solder...
Oct10-09 02:23 PM
waht
3 944
Hi, I'm currently busy with a 'small' project of translating an analog device (synthesizer, based on schematics)...
Oct10-09 12:19 PM
kvtb
15 3,822
I need some help. This may not be the right place but IL give it a go anyway. I have built a Single to Three phase...
Oct10-09 11:01 AM
spbulletproof
1 2,353
Hi, I'm a freshman in an electronic engineering program in university. Throughout the course we're supposed to...
Oct10-09 10:31 AM
waht
3 847
I have a friend with a telephone dialer (brand name Holtech) in his design. Some numbers are getting misdialed. We...
Oct9-09 11:33 PM
Phrak
8 1,235
What is the use of Difference and Instrumentation Amplifier?
Oct9-09 05:35 PM
dlgoff
2 3,482
http://vlsihomepage.com/wp-content/uploads/2007/10/crc_schematic.gif Can someone explain to me what is the fcs_ctrl...
Oct9-09 01:03 PM
berkeman
1 2,158
i have a circuit with 7 segments led that work with 5dc but it is not so light up.how can i light up it? it has an...
Oct9-09 10:12 AM
vk6kro
1 656
Essentailly what I am interested is to solve Equation 10.25 in the following link ...
Oct9-09 03:34 AM
doop4
2 880
hey, as you know several countries have different voltages which they give to a normal household. Ie in our country...
Oct8-09 12:00 PM
berkeman
1 862
I am trying to make a an electric door lock releaser. I am going to use a solenoid to make an electromagnet that will...
Oct8-09 08:03 AM
I_am_learning
1 1,145
Hi! I want to design a data transmission circuit (transmit 7 bits data with 1 start, stop, and parity bit) by using...
Oct8-09 04:08 AM
ws0619
2 1,708
I have multiple stepper motors i pulled out a printer and I can't seem to find any datasheets on anything. For...
Oct7-09 10:23 PM
bassplayer142
6 1,492
I bought an Electrolux 30" gas range with IQ touch controls about 5 months ago. A couple of days ago, the clock...
Oct7-09 06:15 PM
turbo
13 1,167
Dear All I am hoping for some insight into a transmission line problem I have been experiencing. I am quite...
Oct7-09 08:46 AM
vk6kro
11 3,027
Hi, I am looking at rewinding an alternator and have a few questions. I believe that the length of the wire...
Oct7-09 01:51 AM
rodnjo
3 4,937
Hi, I'm trying to work out how frequency multipliers physically work. What processes go on in order to multiply an...
Oct6-09 04:15 PM
halajeeb
5 5,687
hello friends....i m studying signal n system....i havnt find suitable info about half wave symmetric waves from...
Oct6-09 08:23 AM
uart
1 3,741
I'm confused about voltage divider circuits. I learned that the output voltage is larger than the input voltage when...
Oct6-09 12:56 AM
vk6kro
1 1,384
what is the best topic for an electrical engineering student for thesis proposal?
Oct6-09 12:18 AM
zafranax
3 1,200
We can easily design an digital filter with arbitrary amplitude-frequency response, but if we are required to use an...
Oct5-09 06:27 PM
zzzhhh
3 1,592
Hi! Recently I am studying on parity and CRC(cyclic redundancy checks) this two error checking methods. The...
Oct5-09 11:55 AM
mgb_phys
1 689
I've been reading up on inductor and transformer design, and was interested to read the following: "Ideal magnetic...
Oct5-09 12:43 AM
bitrex
3 1,454
How do you connect a variable capacitor to an inductor to make a series radio tuner? And where do you tap the...
Oct4-09 11:48 PM
vk6kro
1 793
I got a electrical wiring diagram from my dads friend for a device that he wants me to build for him but the wiring...
Oct4-09 10:15 PM
vk6kro
31 4,553
-------------------------------------------------------------------------------- Hi, i'm a sophomore in high school...
Oct4-09 09:41 PM
berkeman
1 3,743
1. how can i modify the circuit to get a gain of 4000 and 9000? how should i start? 2. how to replace the current...
Oct4-09 04:44 PM
prescott2006
12 2,649
Hi everybody, I did a few measurements at a printer. I have a signal that i put in the printer that gives the...
Oct4-09 01:24 PM
berkeman
1 2,347
I'm trying to rewire my RC car. Basically, the car has two states that are important. State 1: The Car is on. Light...
Oct4-09 01:58 AM
BlackVenom
2 1,285
I created an led flasher using a 555 IC, 2 1k Ohm & 1 100 Ohm resistor, and 1 1000uF and 1 .01 uF capacitor. If you...
Oct4-09 01:28 AM
BlackVenom
2 1,798
Does anyone know of any sites where I can buy components like ICs or off-the-shelf stuff like resistors and capacitors...
Oct4-09 12:29 AM
BlackVenom
6 1,778
I am trying to make burglar alarm which is to be triggred whenever someone crosses the IR beam emmited by a IR...
Oct3-09 11:03 PM
I_am_learning
4 3,026
I've read that silver is the best conductor of electricity so I am curious why we do not use it in wires like we use...
Oct3-09 05:12 PM
Mike_In_Plano
5 791
hello guys I'm working on a line follower robot and i built following circuit(with the help of members in this forum...
Oct3-09 11:26 AM
Phrak
17 6,650
I'm trying to build a circuit that can power multiple sources with a single battery (rated at 18.5V but the charge is...
Oct2-09 11:44 PM
vk6kro
6 2,001
Is it possible to saturate an air core? Would you have to trap the air for this to work. Are domains a meaningless...
Oct2-09 03:27 AM
Pythagorean
5 2,712
Hi! About the Sequential Switching Circuit, it can be made from four 555 timers.I have no idea about how the 555...
Oct2-09 03:09 AM
vk6kro
7 4,593
Hi all, I'm having some trouble understanding the consequences of directly changing the frequencies in the spectrum...
Oct2-09 02:49 AM
Evertje
1 1,387
There is an overhead door at work that will start to open but then stops. I don't know all the details because I...
Oct1-09 03:05 PM
Bob S
8 5,792
what are the users of gray code? (prctical aplications)
Oct1-09 02:57 PM
zgozvrm
6 3,007

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