News Article

M/A-COM's Mixer Mixes Lots Of Technologies

The device employs GaAs pHEMT technology and offers a low cost compact space-saving broadband solution
M/A-COM Technology Solutions Inc. (MACOM) has introduced a broadband sub-harmonic pumped mixer, the MAMX-011009.

The device is used for cost sensitive applications covering the 14-32 GHz frequency range and IF frequencies from DC-7 GHz.

The MAMX-011009 utilises a variety of technologies which include GaAs pHEMT, silicon HMIC and hybrid assemblies using Schottky quad diodes.

MACOM MAMX-011009 chip

The module is packaged in an ultra small 1.5 x 1.2 mm TDFN surface mount, allowing customers an easy, efficient and space-saving broadband solution. The mixer has a single RF port, requires no biasing and has excellent 2xLO and 3xLO isolation eliminating the need for extra filtering. The device requires +15dBm of LO power that can be easily attained by implementing the MAAM-011101, which is a single bias low cost 4-20 GHz buffer amplifier offered by MACOM.

“The MAAM-011009 was designed engineer-to-engineer with low cost and ease of use in mind," says Amer Droubi, Product Manager. “In addition to the ultra small size and the inherit advantages of its sub-harmonic topology, this broadband mixer enables customers to design systems with high IF frequency requirements - up to 5.8 GHz in 802.11 based radios."

The MAMX-011009, can be used for up or down frequency conversion. The mixer integrates an 180° balanced diode topology that allows the LO to be injected at ½ the LO mixing frequency, which improves isolation and simplifies system requirements for the customer.

The table below outlines typical performance:

Samples of MAMX-011009 are available from stock.

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