Mixer Spans 1 MHz to 6 GHz

Aug. 29, 2013
A broadband mixer covers RF/LO frequencies from 1 MHz to 6 GHz with an IF range of 1 MHz to 4.5 GHz.

Model LTC5510 is a broadband mixer that spans 1 MHz to 6 GHz. With an intermediate-frequency (IF) port that extends from 1 MHz to 4.5 GHz, the mixer can be used for upconversion or downconversion tasks. It offers a +27.8-dBm output-third-order-intercept (OIP3) point as an upcomverting mixer and a +24.9-dBm input-third-order-intercept (IIP3) point as a downconverting mixer at 2 GHz. It features 1.1-dB conversion gain and 11.6-dB noise figure for excellent dynamic-range performance. The mixer is designed with an on-chip local-oscillator buffer amplifier and requires only 0-dBm local oscillator (LO) power. The LO signal leakage to the RF input is a mere -70 dBm. The compact mixer, which is supplied in a 16-lead, 4 x 4 mm QFN package, is specified for operating temperatures from -40 to +105ºC. It is optimized for a +5-VDC supply, with supply current of 105 mA, but can be powered by a +3.3-VDC source.

Linear Technology, 1630 McCarthy Blvd., Milpitas, CA 95035-7414; (408) 432-1900, FAX: (408) 434-0507.

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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