GaAs MMIC LNA Pushes 33 To 45 GHz

July 24, 2013
This low-noise amplifier provides 19-dB gain from 33 to 45 GHz.

Model CMD190 is a millimeter-wave low-noise amplifier (LNA) for applications from 33 to 45 GHz. The GaAs monolithic-microwave-integrated-circuit (MMIC) amplifier provides 19-dB gain and 2.1-dB noise figure at 36 GHz. The output 1-dB compression point is typically +4 dBm at 36 GHz. The typical input return loss is 17 dB and typical output return loss is 13 dB. The amplifier is impedance matched to 50 Ω, eliminating the need for external DC blocks and RF port matching. It uses all positive bias, drawing typically 25 mA current at drain and gate voltages of +2 VDC. It features an on-chip pinchoff tracking circuit to ensure consistent performance with temperature and process variations. The amplifier is fully passivated for increased reliability and moisture protection. The amplifier is suitable for use in point-to-point and point-to-multipoint radios, as well as military and space applications.

Custom MMIC Design Services, Inc., 1 Park Dr., Unit 12, Westford, MA 01886; (978) 467-4290, FAX: (978) 467-4294.

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.

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