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Low Noise Amplifier Schematics

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Low Noise Amplifiers

Low Noise Amplifiers

Designed for 2304, 3456, 5760, and 10368 MHz using the ATF-36077 PHEMT.

http://www.ve1alq.com/downloads/preamps/mw97lna1.html

Wideband, Low Noise Amplifier

Wideband, Low Noise Amplifier

The circuit can serve as a low-noise preamp for spectrum analyzers and other 50 ohm measurement equipment or as an output-power amplifier for signal generators and oscillators.

http://www.edn.com/archives/1997/102397/22di_03.htm

Low Noise Amplifier for Phase Noise Measurements

Low Noise Amplifier for Phase Noise Measurements

Features less input noise than a 50 ohm resistor.

http://www.wenzel.com/pdffiles/lowamp.pdf