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Mar26-08 12:32 PM
berkeman
0 25,927
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 60,550
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 46,976
As we know due to skin depth effect the Alternating Current flows at a depth from the conductor surface (which means...
Apr6-14 07:00 PM
meBigGuy
48 1,111
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 59,275
Hello all, I am just a guy playing around. I was trying to see if I understood correctly what electrolytes were, so...
Dec26-08 09:09 AM
geronimo
4 2,568
I am drawing 12 volts at 1/2 amp for 6 hours a day off of one 12 volt car battery battery which is powered by a 2 amp...
Aug5-12 12:37 PM
Averagesupernova
6 739
Hello. I'm looking for schematics of Sample & Hold circuits built with vacuum electron tube (1960's). If someone knows...
Mar29-10 10:30 AM
Ravaner
0 676
Hi guys, I'm having problem in HSPICE. I designed a Sample & Hold circuit using MOSFET switches (transmission...
Oct11-13 02:06 PM
Lanot
22 1,216
Hi all, I am designing a simple sample and hold circuit where the input is a sinusoidal analog input and it is...
Oct15-10 08:20 AM
syee10
6 2,151
Give me some sample circuit problems..Somewhat complicated or hard..You can also have the solution..but if you can't...
Jan18-08 11:33 AM
berkeman
4 4,884
Hey guys, I have a problem in that I am just out of hospital after having to get a lungs transplant (i have cf)....
Nov18-09 03:17 PM
llbman
2 1,383
I have a deterministic signal. I wanna get a sample of that signal, using the linear prediction. If I want to get...
May4-12 05:25 AM
kususe
0 589
I'm working on a solar radiation project. I was able to design a homemade pyranometer, yet I'm trying to establish...
Oct21-10 04:52 PM
tinvicemp06
0 701
Can someone please explain the frequency response of sampled data system. Why is there a spectrum at 0, Fs, 2Fs,...
Jul14-12 10:22 AM
sophiecentaur
2 662
http://s188.photobucket.com/albums/z65/liznbren/stuff/?action=view&current=envelope.jpg If I sample at just...
Dec25-08 03:25 PM
berkeman
4 3,796
Hey guys, I've been working extensively on a report for the last few hours. I've managed 28 pages but I'm stuck on...
May8-11 10:18 PM
Cliste
3 1,918
Why is the frequency spectrum of a sampled signal replicated? We have a Low pass filtered signal sampled well above...
Sep16-09 09:49 PM
likephysics
3 1,338
hello everyone, I have an exam question about sampling frequency. Actually i really don't get the concept. I have...
Jan31-10 10:59 AM
nightworrier
2 1,933
I used Audacity to generate a 5500Hz tone at a sampling rate of 11025. This is the result:...
Jul15-10 09:25 AM
sophiecentaur
13 5,120
Sampling theorem says that we should sample at least at a double rate than the bandwidth of the signal : Fs>=2B....
Aug26-10 02:29 PM
marcusl
1 3,985
Hi, can anyone explain satellite beam weights, I think more precisely, phase weights and amplitude weights. I am...
Dec10-10 06:45 AM
CatWoman
2 1,097
Hi all, I want to ask about satellite communication, How many Specialization in this field if someone want to take...
Dec20-08 05:17 PM
Naty1
4 1,590
Is there any way that I could rig an FM radio antenna to a satellite dish and pull in FM stations that are one or two...
Jun4-06 03:26 PM
NoTime
10 3,053
Hey everyone: I have the following problem: as the title suggests I need to be able to move my satellite receiver to...
Jun21-10 09:08 AM
vengeful
0 1,373
I was wondering, how come with Satellite TV, I have to have a dish pointed directly at the satellite while with...
Nov2-08 04:11 PM
Pumblechook
19 4,496
Hello, I've been doing some research into antiquated Magnetic amplifiers. From what I understand, one can use a mag...
May24-06 09:09 AM
berkeman
1 2,102
I'm really confused between saturation and amplifier. When will the transistor work in saturation mode and in...
Apr30-06 02:53 PM
ranger
1 5,562
Saturation current of bjt is a reference for us to adjust current of collector? If we want to operate in active mode,...
Dec21-12 09:40 PM
Outrageous
2 760
Hello... I have a question: Physically why when a ferromagnetic is saturated the current is non-sinusoidal ( I'm...
Feb3-13 01:41 AM
NascentOxygen
1 424
Hi, I have a confusion with the saturation region of the transistor. Please help me out. It is commonly said...
Sep20-12 04:24 AM
Kholdstare
6 1,362
I have not any clear idea about the saturation region of a transistor. Can anyone help me in detail? What parameter...
May29-13 02:02 PM
phyzguy
1 531
We have an induction furnace that I try and maintain at work. I use a digital scope to take readings from around the...
Jan13-12 04:20 PM
jim hardy
2 1,320
http://pokit.org/get/f118bc654187e429ec1bb489e1eb3a38.jpg Suppose we have a sawtooth wave generator, like in the...
Jan6-12 05:21 PM
Bassalisk
2 1,164
Hi, I need to design a sawtooth wave oscillator, and I found this designe from...
Mar4-08 11:14 AM
berkeman
1 8,495
Hey All, I am trying to recontruct an experiment for measuring a hysteresis loop in a Sawyer-Tower Circuit. It is a...
Jul2-09 12:26 AM
NAP2626
12 8,379
okay for some strange reason i'm very very scared of bjts .. i dont know maybe i just dont get em at alll... is there...
Mar16-09 02:21 AM
frixis
8 1,125
I'm in the process of making a homebrew PVR and have a cable STB connected via a SCART->composite cable to a WinTV-PVR...
Feb14-08 08:05 PM
MikeA
0 2,051
First off, this is not a request for a numerical answer. We've started discussing scattering matrices in my High...
Oct14-09 04:33 PM
waht
16 2,868
I am trying to build a BLE device and have run into some obstacles. I did create a basic breadboard circuit using an...
Jan30-14 04:50 AM
sophiecentaur
5 282
Hi PF members, where I can find application notes for making a small Holographic Projector? I am looking for a...
Feb21-12 12:26 AM
maxim
3 3,025
I have to make a terminal block from a DB15 connection. I'd like to have a neat looking schematic for it. I don't need...
Jan10-13 07:32 PM
MATLABdude
3 496
Hi, I am working on a PCB design and the mock-up prototype is now done, thanks for all your help by the way! now its...
Nov24-13 06:24 PM
meBigGuy
10 580
This is an Agilent DC power supply schematic with CC. I've been going over it and got a few questions. What is the...
Jan25-06 04:25 PM
waht
2 1,513
Hi, can anyone help me identify the big blue boxes' schematic symbol? The actual physical component sort of looks...
Sep8-13 05:20 PM
dlgoff
10 466

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