Maxim introduces the world's first single-chip wimax® rf transceiver in mass production. The device eliminates the expensive saw filters and additional vco required for current superheterodyne solutions, saving 50% in bom cost, device count and space. Max2838 is ideal for low-cost 802.16d/802.16ewimax cpe operating in the 3.3ghz to 3.9ghz band, providing low-cost wireless broadband for countries such as br (Brazil, Russia, India, China, etc.) and Western Europe, Australia and Canada. service.
The superheterodyne solution requires an external saw filter for channel filtering, while the max2838 integrates a complete single-chip baseband filter for the receiver and transmitter, saving space and bom costs. Adjust channel filtering through the spi? compatible interface to support multiple channel bandwidths from 1.5mhz to 28mhz. This wide range of bandwidth allows all areas of the channel bandwidth to vary with the spectrum rules of each country with only one wireless bom.
The max2838 is designed using maxim's in-house high-performance sigebicmos process to deliver the industry's best receiver performance. The chip has a low receiver noise figure of 2.8db, -11dbm input ip3 and -39dbc integrated vco phase noise, consuming only 288mw of power. The receiver has a 94db gain control range and a digital control of 2db steps. The receiver's evm is better than -35db and the sideband is 45db.
The transmitter of max2838 has a gain control range of 60db and a digital control of 1db step size, provides 0dbm linear output and 64-qam signal, sideband suppression 45db, and evm is better than -36db for -70dbr spectral template. The high linearity of the transmitter output allows the transceiver to be used with wimaxpico or femto base stations, cpe or pc user cards and usbdongle devices. In addition, the unique master/slave mode allows two max2838 transceivers to operate in a mimo (multiple input multiple output) or mrc (maximum ratio combining) configuration to increase system range and data throughput.
The max2838 operates from +2.7v to +3.6v and is available in a small, 6mm x 6mm, lead-free, 48-pin tqfn package. The chip starts at $8.13 (1000 sheets, FOB USA). An evaluation board is available to speed up the design process. Please contact the factory for a complete wimax rf and baseband/mac reference design.
With a net profit of $2 billion, maxim integratedproducts is engaged in the design and production of analog and mixed-signal applications. The company has a total of 27 product lines, and its breadth and depth are in the leading position in the industry, with more than 5,400 product categories.
The superheterodyne solution requires an external saw filter for channel filtering, while the max2838 integrates a complete single-chip baseband filter for the receiver and transmitter, saving space and bom costs. Adjust channel filtering through the spi? compatible interface to support multiple channel bandwidths from 1.5mhz to 28mhz. This wide range of bandwidth allows all areas of the channel bandwidth to vary with the spectrum rules of each country with only one wireless bom.
The max2838 is designed using maxim's in-house high-performance sigebicmos process to deliver the industry's best receiver performance. The chip has a low receiver noise figure of 2.8db, -11dbm input ip3 and -39dbc integrated vco phase noise, consuming only 288mw of power. The receiver has a 94db gain control range and a digital control of 2db steps. The receiver's evm is better than -35db and the sideband is 45db.
The transmitter of max2838 has a gain control range of 60db and a digital control of 1db step size, provides 0dbm linear output and 64-qam signal, sideband suppression 45db, and evm is better than -36db for -70dbr spectral template. The high linearity of the transmitter output allows the transceiver to be used with wimaxpico or femto base stations, cpe or pc user cards and usbdongle devices. In addition, the unique master/slave mode allows two max2838 transceivers to operate in a mimo (multiple input multiple output) or mrc (maximum ratio combining) configuration to increase system range and data throughput.
The max2838 operates from +2.7v to +3.6v and is available in a small, 6mm x 6mm, lead-free, 48-pin tqfn package. The chip starts at $8.13 (1000 sheets, FOB USA). An evaluation board is available to speed up the design process. Please contact the factory for a complete wimax rf and baseband/mac reference design.
With a net profit of $2 billion, maxim integratedproducts is engaged in the design and production of analog and mixed-signal applications. The company has a total of 27 product lines, and its breadth and depth are in the leading position in the industry, with more than 5,400 product categories.
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