Highly Integrated 802.16 d/e Radio Frequency Front End ASIC
Fully Integrated Up/Down Converters, LNAs, PAs and T/R Switches
Super Heterodyne Architecture for Superior Adjacent Channel Rejection Performance
Differential LO and IF Interface for Enhanced Spurious/EMI Performance
Common Frequency Plan uses a Single LO and Common IF for Single IF Filter for Both Bands
Integrated Temperature Compensated TX Power Detectors
PA Bias Control Function
Antenna Port OP1dB = +23 dBm Typical
Antenna Port OIP3 = +33 dBm, Typical
Frequency Range: 2.4 to 2.5 and 4.9 to 5.9 GHz
Noise Figure: 4 dB ISM Band, 6 dB 5 GHz Bands Typical
Typical Gain: 38 dB TX, 20 dB RX
IF = 374 MHz
Description
The TRF2436 is a fully integrated Dual Band Tri Mode Radio Frequency Front End (RFFE) designed specifically for use in 802.16 d/e applications. The TRF2436 is designed to perform RF up and down conversions in the unlicensed ISM and 4.9-5.9 GHz bands. The TRF2436 uses a common IF frequency for both bands, eliminating the need for additional IF filtering. Combined with the TI TRF2432 IF/IQ Transceiver/Synthesizer, the TRF2436 completes the TI WLAN two-chip radio.
The TRF2436 incorporates all of the RF blocks for both the "b" and "a" bands except for low cost ceramic filters. The ASIC includes LNAs, PAs, mixers, bias circuitry, RX gain control, transmit coupler detectors, and T/R switches. High integration and internal RF matching enhances performance and greatly reduce external part count.
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Inventory
Reported Distributor Inventory as of 9:59 AM GMT, 22 Nov 2009
** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.
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