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TRF2443IPFP Datasheet(PDF) 1 Page - Texas Instruments |
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TRF2443IPFP Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 72 page  1 FEATURES DESCRIPTION APPLICATIONS AGC CNTL 7 0/90 TXPLL 3 RXAGC VCCs GNDs RXPLL TXQ_IN TX_OUT TXI_IN RX_IN RX VGA TX VGA IFAMP From SPI from RXPLL XPIC_IN XPIC OUT XPIC AGC XPIC_BBI XPIC_BBQ Level Detect IF SAW IF_OUT IF_IN TX_PWD Temperature Sensor CLKSPI DATASPI LESPI RXBBI RXBBQ TEMPOUT 0/90 0/90 S P I TRF2443 www.ti.com ................................................................................................................................... SLWS217A – SEPTEMBER 2009 – REVISED SEPTEMBER 2009 Integrated IF Transceiver for Broadband Wireless Applications • Integrated TX Chain (165–175 MHz / 330–350 MHz) The TRF2443 is a highly integrated full-duplex intermediate frequency (IF) transceiver designed for – Baseband Amplifiers broadband point-to-point wireless communications – Quadrature Modulator applications. The receiver chain integrates a – Digitally Controlled VGA quadrature (IQ) demodulator and provides more than – TX Output IP3: 29.5 dBm 90 dB of gain range, obtained via a combination of analog- and digital-controlled VGAs. The integrated – TX Output Noise: –166 dBc/Hz programmable baseband low-pass filter gives the • Integrated RX Chain (140–165 MHz / 280–330 TRF2443 the flexibility to receive signals with different MHz) bandwidths, while also helping to remove interferer signals before they reach the ADC. Additionally, the – IF Amplifiers TRF2443 gives the flexibility to add an external IF – Analog and Digital VGA filter to further remove unwanted signals. The – Quadrature Demodulator TRF2443 transmitter chain integrates a quadrature – Baseband Filters (IQ) modulator driving a highly linear IF DVGA that provides 35 dB of gain range controlled via a serial – ADC Buffers programming interface (SPI). The TRF2443 includes – IF SAW Filter Bypass the two synthesizers for the receiver and transmitter – RX Noise Figure: 4.3 dB chains, removing the need for external LO generation circuitry and simplifying the implementation of a – RX Input IP3: 9.5 dBm frequency-division duplexing (FDD) transceiver • Integrated TX and RX Synthesizers design. The TRF2443 also provides • Integrated Cross-Polarization Interference cross-polarization interference cancellation (XPIC) Cancellation (XPIC) Support support via an integrated XPIC output amplifier and receiver chain. The TRF2443 is an ideal building • Auxiliary RX Chain block for implementing the IF transceiver function in the indoor unit (IDU), which is connected via a coaxial cable interface to the outdoor unit (ODU), of a • Wireless Microwave Backhaul point-to-point microwave backhaul split-architecture • Point-to-Point Microwave system. • Broadband Wireless Applications • WiMAX IF Transceiver 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Copyright © 2009, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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