A tutorial by Ian C. Purdie demonstrating negative feedback, a.k.a. emitter degeneration.
http://www.electronics-tutorials.com/amplifiers/negative-feedback.htm
FM radio and VHF TV amplifiers.
http://www.tpub.com/neets/book8/31g.htm
450 to 800 MHz, 10 dB gain.
http://www.mitedu.freeserve.co.uk/Circuits/rf/uhfpreamp.htm
550 to 1650 kHz, voltage tunable.
http://www.zen22142.zen.co.uk/Circuits/rf/mwpre.html
Based on the article: "AM Radio Booster" by Gary McClellan, Radio Electronics, April 1972, page 25.
http://www.mindspring.com/~brucec/amamp2.htm
http://www.web-ee.com/Schematics/HighSpeedTransimpedanceAmplifier/hsta.pdf