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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
19 430
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
189 61,229
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
62 59,723
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 47,261
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Mar26-08 12:32 PM
0 26,050
sir, i am pursuing with electronics and communication stream in india. I have two trainings remaining one is...
May4-13 09:34 AM
1 367
Hi, I have designed a simple 4 bit adder for adding two 4-bit unsigned integers A and B. The adder consists of a...
May3-13 11:35 PM
1 477
My company is looking to have our safety PLC code reviewed by an independent third party. The machine is a ~$1million...
May3-13 02:56 PM
3 498
The LC circuit should oscillate with its natural frequency in absence of any external agent and the energy is...
May3-13 02:02 PM
Rabin upadhaya
8 660
I bought the TC4421 to drive a IRFP250N power MOSFET. I'm using a 12v battery as the power source, and an Arduino to...
May3-13 12:42 PM
jim hardy
11 1,211
In the Midwest (Iowa, etc.), we get plenty of storms, mostly Winter, and power lines go down frequently. Someone is...
May3-13 12:11 PM
jim hardy
8 864
Hello, I am very new at this so please guide me on the following issue; Lets say I have an electrical resistor with...
May3-13 05:22 AM
6 743
I'm currently working on a project to create a binary calculator using verilog, which I will eventually program onto a...
May2-13 09:30 PM
2 717
Hello, I googled the difference between polarized and non polarized capacitors and all i found was differences in...
May2-13 06:27 PM
jim hardy
3 1,350
Why do alternator manufacturers fit PMGs to alternators that are not black start machines. On site today we are doing...
May2-13 06:02 PM
jim hardy
3 462
I know how to select a heat sink based on Power dissipation and max junction temp. But how do I relate this to CFM of...
May2-13 04:18 PM
1 692
We are studying single transistor amplifiers, and in the text where the collector resistance of the CE amplifier, Ric,...
May1-13 10:20 AM
3 567
Hello, I'm learning digital logic and design, I was told that I should use Quartus II, which so far works very well...
May1-13 08:33 AM
2 533
Hey! I am trying to figure out the best way to run a AC gear motor off a DC power supply. Any help would be greatly...
May1-13 03:33 AM
1 491
Hello there, I am currently using LDVT probes to measure linear displacement (goes without saying, but I said it...
Apr30-13 09:28 PM
jim hardy
1 693
I have single 741 op amps running as unity gain amps and they work fine but when I tried to use a quad 741 op amp...
Apr30-13 09:16 PM
2 561
For a common base bjt amp, would I be correct in thinking that to measure total power consumed by the circuit, you...
Apr30-13 06:28 PM
2 589
What's a good resource(books/website) to get started on telephone line based circuits.
Apr30-13 01:15 PM
2 458
Hey everyone. I have a question. If we in the US have 110 -120 volts coming out of our house outlets, and we plug in a...
Apr30-13 12:11 PM
4 475
I have a old stereo that I am repairing. Its a old MacDonald Am/FM/ Mpx. The problem is, it operating on Fm mono. Even...
Apr30-13 09:16 AM
jim hardy
10 712
why an bulb blinks during low voltage?
Apr29-13 04:24 AM
1 461
Any one know about UL factory inspection? I think they visit the factory 2-4 times a year. Who pays for it - does...
Apr28-13 10:29 PM
7 794
if two equal capacitor one of then is charged and the other is not.then the switch is closed, half of the stored...
Apr28-13 02:06 PM
The Electrician
38 2,524
Hello all. I have two questions. 1] How do poles and zeros relate to bode plots? What happens at a pole or zero? ...
Apr28-13 01:08 PM
11 1,057
what does the positive and negative half cycles in an ac represent?
Apr28-13 01:04 PM
7 650
Can any body plz explain the difference between difference and differential amplifier as both looks same and its...
Apr28-13 12:51 PM
8 988
I wonder if there is a ranking of oscilloscopes by an independent organization, which compares them for different...
Apr28-13 12:06 PM
0 399
Hi, how can I find 4 channel oscilloscope in multisim 11.0? or how can I add 4 channel oscilloscope to multisim?
Apr28-13 06:55 AM
4 1,297
does ac current always flows from hot to neutral wire.if so where is the end of the neutral wire?
Apr27-13 05:48 PM
4 595
plot transfer characterstics ........... PMOS transistors are identical my actual question is can Vi put Q2 in triode...
Apr27-13 10:16 AM
0 400
Hi guys. I am studying on Power Engineering and there is going to be a small conference in my University connected to...
Apr27-13 06:41 AM
jim hardy
7 815
I'm having trouble understanding the ratings for an SPST Relay. I need one with the following specs: Coil Rating:...
Apr26-13 05:52 PM
4 514
Does anyone know any free books about this topic? Anything about speed control,active power control of Hydropower...
Apr26-13 05:16 PM
0 396
Ok I know there will be a life long battle between EE's and EET's. This thread is not about the Pros and Cons of the...
Apr26-13 05:56 AM
5 1,012
Hi everyone! Design of electrical systems for buildings is the field I want to engage in the future. I have already...
Apr25-13 10:15 PM
2 411
Hi there, I have built an InfraRed beacon using a 555 timer using a 10K pot to tune the circuit. How can I test...
Apr25-13 05:22 PM
6 515
What is the difference between ESD and EFT compliance testing. EFT is continuous and ESD is not?
Apr25-13 12:27 PM
1 631
when i short the batteries to find the rth, i cant get whether is should put delta to star transformation to find...
Apr25-13 10:19 AM
hussain bani
8 832
hello Capacitors are widely used in electronic circuits to block the flow of direct current while allowing...
Apr25-13 09:19 AM
118 26,747
I know meter shunts are used to direct most of the current away from the meter coil but my question is if you direct...
Apr25-13 08:12 AM
7 566

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