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NXP Semiconductors N.V. announced two 5V wideband IQ modulator devices that combine high dynamic range with fast on/off switching performance for use in radio frequency up-conversion. Operating between 400 MHz and 4 GHz, the BGX7100 and BGX7101consume less than 1 W power – 10-percent more efficient than other solutions on the market today. Because RF performance is independent of input common mode voltage, these modulators offer flexible interfacing with any DAC, simplifying design-in, and lowering the bill of materials. A video demonstration of NXP’s IQ modulators is available here: http://youtu.be/gjyuwyui0IU.
Applications of the rugged BGX710x series are in wireless infrastructure base stations, and repeaters for standards such as GSM, W-CDMA, TD-SCDMA and LTE, as well as in point-to-point systems. The main difference between the two NXP IQ modulators is in output power: 0 dBm for BGX7100HN, and 4 dBm for BGX7101HN, providing solutions for infrastructure cell sizes ranging from small to macro. Next to the high dynamic range and low noise floor, the devices excel in monotonic IP3o behavior versus frequency, in the lowest unadjusted carrier feedthrough (-50 dBm at -7 dBm output power @ 1960 MHz) and in the highest unadjusted sideband suppression in the market (45 dBc at-7 dBm output power @ 1960 MHz). The devices' wide temperature range (-40° to 85°C) makes them well-suited for operation under extreme weather conditions.
A unique feature of the BGX710x series is the fast on/off switching that enables the device to go from power-saving mode to full-spec operation and stable RF performance within 1 microsecond, even for the most demanding Time Division Duplex (TDD) systems. This results in power consumption savings of more than 50 percent.
“Tomorrow’s wireless infrastructure systems need technology that enables high RF performance, while still being cost-effective and low-power. Customers who have tested our modulators confirm that the dynamic range and linearity results are superb. The devices’ insensitivity to input common mode voltage has enabled savings on our customers’ bill of materials. Moreover, the fast on/off switching capability of less than 1 microsecond makes our modulators the preferred choice for TTD systems,” said Robbert van der Waal, director of marketing, NXP Semiconductors. "These IQ modulators are great examples of how NXP can free RF designs of performance barriers and help our customers meet the most demanding system requirements."
BGX7100HN and BGX7101HN are available now. Products are on display at European Microwave Week in Amsterdam.
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