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LNA Cuts Noise From 50 MHz To 4 GHz

Nov. 19, 2009

Model PSA-545+ is an E-HEMT monolithic-microwave-integrated-circuit (MMIC) low-noise amplifier (LNA) from Mini-Circuits designed for applications from 50 MHz to 4 GHz. If offers 0.8 dB noise figure with +20 dBm output power at 1-dB compression. The small-signal gain is typically 19.8 dB at 1 GHz and 10.4 dB at 4 GHz. The amplifier, which typically draws 80 mA from a single +3-VDC supply, delivers third-order intercept point of +36 dBm. It can handle input power levels to +15 dBm without an external limiter. The MMIC amplifier is supplied in an SOT-363 package and is internally matched to 50 Ohms. It is ideal for cellular, LTE, and WiMAX receive applications and is priced at $1.45 each in 50 qty.

About the Author

Jack Browne | Technical Contributor

Jack Browne, Technical Contributor, has worked in technical publishing for over 30 years. He managed the content and production of three technical journals while at the American Institute of Physics, including Medical Physics and the Journal of Vacuum Science & Technology. He has been a Publisher and Editor for Penton Media, started the firm’s Wireless Symposium & Exhibition trade show in 1993, and currently serves as Technical Contributor for that company's Microwaves & RF magazine. Browne, who holds a BS in Mathematics from City College of New York and BA degrees in English and Philosophy from Fordham University, is a member of the IEEE.