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Hello, I haven't learned anything about micro controllers yet but I wanted to get a head start since I hear that...
Apr19-14 03:36 PM
meBigGuy
19 383
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...
Apr10-14 04:04 AM
mwvivi
189 61,128
I've occasionally been asked by some of the students I've mentored or TA'd over the years, "What's in your toolbox? ...
Feb4-14 04:57 PM
davenn
62 59,644
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
doubtbook
27 47,203
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Mar26-08 12:32 PM
berkeman
0 26,026
(Drawing of the setup attached) Background: We conduct electrical tests in our lab on electrical components...
Jul31-11 09:08 AM
LN2
3 2,509
The LM317 3-TERMINAL ADJUSTABLE REGULATOR has a Output Voltage Range Adjustable From 1.25 V to 37. For the circuit in...
Jul31-11 06:29 AM
Antonio G
8 3,995
I am having trouble with a mono-stable 555 timer circuit. When I connect this to a power supply (right now it is a...
Jul31-11 06:11 AM
jamersjamers
8 7,297
greetings, what are the differences between base,emitter and collector? thanks.
Jul30-11 10:32 AM
Averagesupernova
3 3,102
Hello everyone. I understand that a phase shift oscillator works by connecting an amplifier through a feedback network...
Jul30-11 12:54 AM
The Electrician
4 2,586
Hello! I have always been fascinated by Nikola Tesla (who hasn't? :)) and other rare birds that share such innovation....
Jul29-11 05:21 PM
TeslaFan51
2 2,613
I am constructing a resistive heater that I plan to operate using a standard car battery. Resistance has been...
Jul29-11 04:51 PM
berkeman
7 1,224
Hey @ all, when windowing in DSP in time domain one multiplies all recorded time samples with a weighting factor...
Jul29-11 11:27 AM
rbj
5 2,593
I need to build a circuit and it requires Maxim's MAX2623 VCO. I need to mod my circuit so the frequency the VCO would...
Jul29-11 07:12 AM
ViralDoshi89
6 2,212
Hey, when performing a measurement with a vector network analyzer from say 1 to 11 MHz. Then my time domain...
Jul29-11 02:18 AM
DSPly
0 598
considering this relay ...
Jul29-11 12:17 AM
I_am_learning
8 1,219
I have looked all over in the search for the optimal speed to run a 12V alternator. I have a diesel engine on my boat...
Jul28-11 06:15 PM
dlgoff
3 3,190
Hello, I am sure this is a dumb question, but I am not sure about the answer, so hopefully someone can help me. ...
Jul28-11 04:31 PM
SMOF
4 1,252
I want to charge a led-acid battery it needs 12V DC 1.i have transformer to convert 220V AC to 12V AC after that...
Jul28-11 09:02 AM
vk6kro
15 6,338
What is the conceptual perspective of why equivalent capacitance is in parallel is more than the individual...
Jul27-11 08:10 PM
I_am_learning
2 1,589
Hi, I am a recent grad with a BSEE and I will be taking an exam for a job. The exam will consist of the following: ...
Jul27-11 04:58 PM
tigre
2 652
I am using Sw_tClose and Sw_tOpen switches in a PSPICE ver 16.3 simulation. I have the switches in series, with the...
Jul27-11 02:45 PM
jjb
0 3,166
Hello I am a EE student and was wondering if any one had some suggestions on how to fix my inverter it's for a...
Jul27-11 01:35 PM
uart
4 2,028
I have the following circuit and i want to look for the current and voltage across R1:...
Jul27-11 11:48 AM
berkeman
11 2,231
I am designing a laser targeting system on which various control methods will be implemented and compared. The system...
Jul27-11 08:43 AM
mdjensen22
3 840
In an a.c.circuit containing only inductance, for example, it is said that the current is lagging behind emf by 90...
Jul26-11 11:23 PM
ananthu
15 2,389
I have a motor that is driven rail to rail. So, in forward its +12 volt, and backwards its -12V, and it can also be...
Jul26-11 05:40 PM
Floid
4 778
hi everyone, i would be grateful for suggestions for the following problem: i have a set of measurements, discrete...
Jul26-11 04:26 PM
omg!
6 1,911
Hi, I am trying to model a phones increased performance due to the integration of a DTC network. I have the spec...
Jul26-11 02:56 PM
cbausch
0 581
I have a question regarding Lenz's Law. In many of the passages that I read about Lenz's Law, I see this: "If the...
Jul26-11 02:48 PM
gerbi
20 3,540
When I have a certain head (H) of water, this fixes the jet velocity of water as V = sqrt(2gH). And for maximum...
Jul26-11 12:30 PM
256bits
3 1,893
I have a strange biomedical engineering question... So I have a Grass square pulse stimulator (similar to the link...
Jul26-11 11:06 AM
berkeman
1 479
Hello, my name is Dennis; and I am rookie engineer. I have a doubt in the above circuit and I was wondering if any of...
Jul26-11 07:40 AM
dennis.roshan
0 763
I always wondered if there is any way to trace back malicious codes on the web and identify attacker(maybe IP address...
Jul26-11 07:22 AM
inho2005
0 430
I just bought a new rigol DG1022 function generator and I noticed that when I turn the voltage higher than 2V peak to...
Jul26-11 12:59 AM
EWH
1 1,401
Wondering if anyone can help me with this. Trying to find out what path electrical current takes when it passes...
Jul26-11 12:25 AM
EWH
1 1,115
Currently I have been messing around with relatively low voltage diodes and caps and arranging them in the specified ...
Jul25-11 07:32 PM
intrepidelder
3 1,815
newbie here, ive been searching many forums and cannot find the questions/answers im looking for (close, but not...
Jul25-11 05:06 PM
Arun Jagga
9 16,320
How do I determine what percentage of a signal is reflected and what percentage goes through a wall. I know that I am...
Jul25-11 04:44 PM
berkeman
4 1,061
I am trying to understand Type1, 2 and 3 opamp compensators used in DCDC converters. Type 1 is just an opamp...
Jul25-11 12:57 PM
likephysics
5 2,341
hello i have been given six weeks to design a low-power FM radio transmitter for my project however there are no...
Jul25-11 11:39 AM
skeptic2
1 1,661
Is there a way to minimize the temperature dependence of VBE. I am trying to design a BJT switch, that will turn on...
Jul25-11 11:18 AM
uart
7 2,761
Hi everyone, this is my first post on the forums :redface: OK so I want to design a microwave power transmitter and...
Jul25-11 10:17 AM
sbstn
29 2,560
I recently simulated a parallel resonant tank circuit on multisim. I put an oscope across the tank circuit and I...
Jul25-11 08:42 AM
skeptic2
4 1,172
How many out there have hearing problems? Can you suggest a way to add heads up display to a noisy sports car? Old...
Jul24-11 04:58 PM
kansasspyder5
0 918

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