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RF Low Noise Amplifier and Preamplifier

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Negative Feedback: Tuned RF Amplifiers

Negative Feedback: Tuned RF Amplifiers

A tutorial by Ian C. Purdie demonstrating negative feedback, a.k.a. emitter degeneration.

http://www.electronics-tutorials.com/amplifiers/negative-feedback.htm

Typical RF Amplifier Circuits

Typical RF Amplifier Circuits

FM radio and VHF TV amplifiers.

http://www.tpub.com/neets/book8/31g.htm

UHF Preamplifier

UHF Preamplifier

450 to 800 MHz, 10 dB gain.

http://www.mitedu.freeserve.co.uk/Circuits/rf/uhfpreamp.htm

Medium Waveband Preamplifier

Medium Waveband Preamplifier

550 to 1650 kHz, voltage tunable.

http://www.zen22142.zen.co.uk/Circuits/rf/mwpre.html

An AM RF Amp for Internal Antennas

An AM RF Amp for Internal Antennas

Based on the article: "AM Radio Booster" by Gary McClellan, Radio Electronics, April 1972, page 25.

http://www.mindspring.com/~brucec/amamp2.htm

1 GHz Transimpedance Amplifier

1 GHz Transimpedance Amplifier

http://www.web-ee.com/Schematics/HighSpeedTransimpedanceAmplifier/hsta.pdf