Downconverting Mixer features on-chip LO buffer.

Press Release Summary:




Designed using monolithic SiGe BiCMOS process, 2.0-3.9 GHz MAX19996A provides fully integrated downconversion channel, with +24.5 dBm IIP3, 8.7 dB conversion gain, and 9.8 dB typical noise figure. Unit features 2LO-2RF spurious rejection of 67 dBc for RF level of -10 dBm, and 62 dBc for level of -5 dBm. Housed in 5 x 5 mm, 20-pin TQFN package, device supports both high- and low-side LO injection architectures for 2.3-2.9 GHz WCS, LTE, WiMAX(TM), and MMDS base stations.



Original Press Release:



Highest Linearity, Downconverting SiGe Mixer for WCS, LTE, WiMAX, and MMDS Base Stations



2GHz to 3.9GHz downconverting mixer sets performance and integration benchmarks.

SUNNYVALE, CA-June 15, 2009-Maxim Integrated Products (NASDAQ: MXIM) introduces the MAX19996A, a fully integrated, 2000MHz to 3900MHz downconverting mixer with an on-chip LO buffer. Designed using Maxim's proprietary, monolithic SiGe BiCMOS process, this device delivers an unparalleled combination of linearity, noise performance, and component integration over an exceptionally wide band of operation. The MAX19996A provides a fully integrated downconversion channel, with +24.5dBm (typ) IIP3, 8.7dB (typ) conversion gain, and 9.8dB (typ) noise figure. Additionally, it features an industry-best 2LO-2RF spurious rejection of 67dBc for an RF level of -10dBm, and 62dBc for a level of -5dBm. The MAX19996A is designed specifically for 3G/4G wireless-infrastructure applications in which high linearity and a low noise figure are critical for enhanced receiver sensitivity and blocker immunity. This device supports both high- and low-side LO injection architectures for 2.3GHz to 2.9GHz WCS, LTE, WiMAX(TM), and MMDS base stations; in addition, the MAX19996A can be configured for 3.1GHz to 3.9GHz WiMAX and LTE low-side injection architectures as well.

As a complete SiGe downconverter, the MAX19996A integrates a state-of-the-art mixer core, two amplifiers, two baluns, and dozens of discrete components. This device's 8.7dB conversion gain enables the elimination of a complete IF amplifier stage within the receiver lineup. The MAX19996A's outstanding 2LO-2RF performance can also ease the filtering requirements of close-in harmonics, thus leading to simpler, more cost-effective filter designs. Through this combination of integration and performance, this device reduces downconverter solution size by a factor of 2x, and the discrete part count by 34%.

The MAX19996A is packaged in a compact, 5mm x 5mm, 20-pin TQFN that is pin compatible with the MAX19996 (a 2000MHz to 3000MHz single mixer). It is also pin similar to the MAX9993/MAX9994/MAX9996 (1700MHz to 2200MHz mixers) and the MAX9984/MAX9986 (400MHz to 1000MHz mixers). This entire family of downconverters is ideal for applications in which a common PCB layout is used for multiple frequency bands. Prices start at $6.90 (1000-up, FOB USA).

Maxim Integrated Products is a publicly traded company that designs, manufactures, and sells high-performance semiconductor products. The Company reported revenue in excess of $2 billion for fiscal 2008. Maxim was founded over 25 years ago with the mission to deliver innovative analog and mixed-signal engineering solutions that add value to its customers' products. To date, it has developed over 6000 products serving the industrial, communications, consumer, and computing markets. For more information, go to www.maxim-ic.com.

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