Electronics Infoline Web

ISA bus provides access to serial peripherals

you can easily connect peripherals with serial interface to the ISA bus through an I/O port that latches control and data bits

http://www.edn.com/archives/1997/021797/04DI_02.htm

Isolated Open Loop Current Sensing

Using Hall Effect Technology in an Optimized Magnetic Circuit

http://www.allegromicro.com/techpub2/current_sensing/bsp_v1_52.pdf

Isolated, 12bit, 8 Channel, A / D Converter

With PC Interface & 0.1% Accuracy.

http://www.web-ee.com/Schematics/Isolated%20A2D/Accurate%20A2D.htm

IT-1 Inline 600/600 ohm line transformer

audio signal isolation transformer

http://www.procosound.com/images/IT1.PDF

IT-4 four channel isolation transformer unit

audio signal isolation transformer

http://www.procosound.com/images/IT4A.PDF

J Pole Antenna

The N6ZAV J-Pole makes a great (but not so hidden) transmitter antenna.

http://www.qsl.net/n6bg/thunt/jpole.html

J?rg Arndt FFT Code and Related Stuff

Links to freeware for convolution, discrete cosine transform (DCT), fast Fourier transform (FFT), Abel transform, Hankel transform, Hilbert transform, and more. Primarily in C and Fortran.

http://www.jjj.de/fft/fftpage.html

JACAL

An interactive symbolic mathematics program. JACAL can manipulate and simplify equations, scalars, vectors, and matrices of single and multiple valued algebraic expressions containing numbers, variables, radicals, and algebraic differential, and holonomic functions. Linux RPM distribution.

http://swissnet.ai.mit.edu/~jaffer/JACAL.html