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Hello everybody,
i would like to know which types of laser or LED (i mean which structure and material) are commonly used for applications such as CD and DVD drives, optical fiber communication in the second window around 1.3µm, remote control transmitter and receiver in a common TV system...
Error in OrCAD Layout
Good morning,
i always receive an error that is that layout cannot load a metric netlist on an english board type;then it tells me to convert.What should i do?
Thanks
Differencies in OrCAD
Hello everybody,
what are the differencies beetween Capture and Capture CIS?
And beetween PCB editor and layout?And beetween layout,layout plus and layout engineer's edition?
Best Regards
igbt gate resistance
Hello everybody,
i've not understood why a gate resistance is needed when driving IGBTs or MOSFETS: aren't their gate infinite resistance points?
Best regards
25gr5765 schematic
Good morning everybody,
i've a problem with this old (1990) tv color that is the side parts of the image are not visible.I mean that it's like if 2-3 cm from both sides are cutten.
Someone knows how can i repair it?
Thanks
colpitts oscilator multisim
I have a problem in simulating the circuit below with pspice.I've took it directly from the book by Sedra & Smith but the oscillations don't start.Where is the problem?
The sentence is "correct" but it requires some explanations.
In order to derive the common equations regarding electronic devices (such as the I-V relation in a pn diode),you must suppose that the size of the device is a lot smaller than the operation wavelength: this is done to justify the use...
I think that an electronic device is one in which there's silicon or generally a solid-state element,while in electrical one there's only metals,dielectrics,magnetics
If you want only a 1st order zero-pole circuit there are mainly two ways to realize it: passive filter or active filter.
With the passive in the figure you can obtain the tf (R2/R1+R2)(1+sR1C1)/[1+s(C1+C2)(R1//R2)].
The active version is obtained simply by connecting the R1,C1 shunt among the...
Re: matlab
I suggest a mix of the two:learn basics (defining vectors,matrix,transfer function,plots...) from a book and then do a massive use of the excellent online help. Remember that you can always write "help ****" in the command window to know all about **** function (it's really useful")...
Re: NANOTECHNOLOGY
Hi Sanjiv,
there's a useful book on the board good for your purpose
"Nanotechnology: A Gentle Introduction To The Next Big Idea"
I hope it will help you
Best regards
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