Up to 140 MHz, 1 W into 50 ohms.
http://www.edn.com/archives/1996/101096/21di_02.htm
op-amp rectifier operates from a single supply and provides a logic output and an LED that indicate the state of the input voltage
http://www.edn.com/archives/1994/072194/15di2.htm
Two internal resistors allow configuring a high-speed op amp as an instrumentation amplifier.
http://www.edn.com/archives/1994/091594/19di2.htm
Operational Amplifiers Use & Operation
http://www.williamson-labs.com/480_opam.htm
This article shall focus on operational amplifiers which will form the basis for active filters.
http://members.tripod.com/~baec/MARCH98/basic3.htm
Calculators
http://www.analyzethat.net/65_operational_amplifiers.php
Single and split power supply, inverting and non inverting operational amplifier theory. Ps
http://homepages.internet.lu/absolute3/tronic/opsup.htm
http://www.imagineeringezine.com/ttaoc/r-circuits.html
using light techniques to send identification data instead of RF.
http://www.imagineeringezine.com/PDF-FILES/opiddemo.pdf
for Linear Power Transistors
http://www.mrs.bt.co.uk/dubus/9004-7.pdf