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MAX2839/MAX2839AS 2.3GHz至2.7GH
2009-05-31 00:00:00
The MAX2839AS completely eliminates the need for an external SAW filter by implementing on-chip programmable monolithic filters for both the receiver and transmitter, for all 2GHz and 802.16e profiles and WIBRO. The baseband filters along with the Rx and Tx signal paths are optimized to meet the stringent noise figure and linearity specifications. The device supports up to 2048 FFT OFDM and implements programmable channel filters for 3.5MHz to 20MHz RF channel bandwidths. The transceiver requires only 2μs Tx-Rx switching time. The IC is available in a small wafer-level package (WLP) measuring 5.16mm x 3.66mm x 0.5mm.
- 3.5dB Rx Noise Figure on Each Receiver with Balun
- -35dB Rx EVM for 64QAM Signal
- 0dBm Linear OFDM Transmit Power (64QAM)
- -70dBr Tx Spectral Emission Mask
- -35dBc LO Leakage
- Automatic Rx DC Offset Correction
- Monolithic Low-Noise VCO with -39dBc
- Integrated Phase Noise
- Programmable Rx I/Q Lowpass Channel Filters
- Programmable Tx I/Q Lowpass Anti-Aliasing Filters
- Sigma-Delta Fractional-N PLL with 28.61Hz Minimum Step Size
- 62dB Tx Gain Control Range with 1dB Step Size, Digitally Controlled
- 95dB Rx Gain Control Range with 1dB Step Size, Digitally Controlled
- 60dB Analog RSSI Instantaneous Dynamic Range
- 4-Wire SPI™ Digital Interface
- I/Q Analog Baseband Interface
- Digital Tx/Rx Mode Control
- Digitally Tuned Crystal Oscillator
- On-Chip Digital Temperature Sensor Readout
应用/使用
802.11g或n WLAN,具有MRC或MIMO下行链路
802.16e WiMAX™移动系统
韩国WiBro™系统
专用无线宽带系统
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