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Sorry about your visa, the industry is in a bit of downturn right now so jobs are not what they were 6 months ago. There are some groups that specialize in DSP. This groups seems to have become more

Yes and no. I didn't quite catch how your circuit is build. A phototransistor does have "variabel resistance". The more light you apply, the more Ic you get (light here is used as the base current).

Hello Everyone, I am new to the group and know just enough about electronics to be dangerous. The circuit that I am trying to complete is 9V DC. I have placed a phototransistor just before a relay.

This is a layman point of view. It makes for nice picturization but the picture makes for some ugly viewing when seen by folks with some technical knowledge. Why do you suppose that the thickness

You are either using the ADC0808 for analog to digital conversion or you are using the DAC0808 for digital to analog conversion. I am unsure as to which it is because of the subject line of your

He is correct from an electrical (not functional) point of view. A fuse can be considered as a very very low value resistor, with a maximum power dissipation of (no surprise) P=I^2*R where "I" is

I am srinivas (seen) from india. I've completed my engg in CS and my visa has been rejected recently. I wanna go to US coming spring. I am interested in electronics and esp in Dig Signal Processing

That is a interesting idea. As you probably know. flourscent tubes are a controlled arc. To get them to "fire" either a high voltage (cold cathode) or heat (standard tube lights, heated element) is

Instead of trying to find an electronics supplier why not find a greeting card store that has them. -Mike verhap@...: _________________________________________________________________

Mark, An ideal fuse doesn't have any resistance. A real fuse of course has some resistance but it is negitable. The reason why the fuse wire blows is simple, there is only certain amount of electrons

Start with the Microchip PIC16F84. It has EEPROM (flash memory) so you don't need a UV lamp to erase it. They're also about $5 each from Jameco or Digikey. The book I recommended in a previous post is

Jim, If a fuse has no resistence, then how do you suppose that it builds up heat enough to melt? For that matter, what are all those scientists working on superconductors doing? (A superconductor is a

www.ti.com Do a search on the part number to find the datasheets. _________________________________________________________________ Get your FREE download of MSN Explorer at

Mark, What gave you that idea? It's true the there are devices called fuzed resistors, the ones you describe below. But mostly resistors have a completely different purpose. The word 'fuze' means

To the guy who was interested in getting started with PICs I found this book: "PIC Microcontroller Project Book" by John Iovine...It looks like a great beginner book. I read some of it at the

enrico, That's an option, and if you don't use the speakers for sound the diode won't matter. That's up to you. That certainly would give you a better signal. I haven't seen a passive speaker in a

I must agree with Jim! All the discussen about that everything should be open source and that no one can own a piece of code, is for me just plain bullshit! If you want to make a piece of code

choaglin, Why is it greedy to want to protect ones own intellectual property. I suppose that anything creative that you would create you would just give away. What is obtained for free often is worth

go, Generally the kind of circuit you are describing consist of two sections. One if the circuits that separate the sound frequencies and produce a control signal for each band, generally about three.

Thank you. The site was totally successful and I now have the equivalents that I need. Greetings, Frank original reference/semiconductors. amplifier.