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Congratulations waross on being selected by the Tek-Tips community for having the most helpful posts in the forums last week. Way to Go!
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i need tips on circuits in basic telephone system
http://psychicspy.com/telephon.html http://hyperarchive.lcs.mit.edu/telecom-archives/- aj2x
- Post #6
- Forum: Circuit design
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PCB Design Software
I've been using Protel SE for several months and though it rarely crashes, it is maddeningly inconsistent and hard to learn and use. Not recommended if you can afford anything else. A simple and somewhat more well-organized (though barely, and with its own collection of inconsistencies and...- aj2x
- Post #7
- Forum: Circuit design
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433Mhz transmitter
At 433 MHz (a Ham Radio band in North America) there are lots of off-the-shelf parts as well as designs. The last Radio Shack catalog I looked at had a low power 433 MHz data transmitter in it. For a simple single chip solution requiring almost no RF expertise, try RF Monolithics...- aj2x
- Post #7
- Forum: Circuit design
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transmitter schematic
Single chip transmitters, receivers and transceivers, with few external components -- RM Monolithics' stuff works nicely. http://www.rfm.com/ Also, Micrel has some parts that look pretty good, though I haven't tried them myself. http://www.micrel.com/product-info/qwikradio.shtml- aj2x
- Post #4
- Forum: Circuit design
