TRF2443 - 用于宽带无线应用的集成 IF 收发器

TRF2443是TI德州仪器公司的一款无产品，TRF2443是用于宽带无线应用的集成 IF 收发器，本站介绍了TRF2443的封装应用图解、特点和优点、功能等，并给出了与TRF2443相关的TI元器件型号供参考。

TRF2443 - 用于宽带无线应用的集成 IF 收发器 - 无 - IF收发器 - 德州仪器

产品描述

The TRF2443 is a highly integrated full-duplex intermediate frequency (IF) transceiver designed for broadband point-to-point wireless communications applications. The receiver chain integrates a quadrature (IQ) demodulator and provides more than 90 dB of gain range, obtained via a combination of analog- and digital-controlled VGAs. The integrated programmable baseband low-pass filter gives the TRF2443 the flexibility to receive signals with different bandwidths, while also helping to remove interferer signals before they reach the ADC. Additionally, the TRF2443 gives the flexibility to add an external IF filter to further remove unwanted signals. The TRF2443 transmitter chain integrates a quadrature (IQ) modulator driving a highly linear IF DVGA that provides 35 dB of gain range controlled via a serial programming interface (SPI). The TRF2443 includes the two synthesizers for the receiver and transmitter chains, removing the need for external LO generation circuitry and simplifying the implementation of a frequency-division duplexing (FDD) transceiver design. The TRF2443 also provides cross-polarization interference cancellation (XPIC) support via an integrated XPIC output amplifier and receiver chain. The TRF2443 is an ideal building 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 point-to-point microwave backhaul split-architecture system.

产品特性

Integrated TX Chain (165–175 MHz / 330–350 MHz)
- Baseband Amplifiers
- Quadrature Modulator
- Digitally Controlled VGA
- TX Output IP3: 29.5 dBm
- TX Output Noise: –166 dBc/Hz
Integrated RX Chain (140–165 MHz / 280–330 MHz)
- IF Amplifiers
- Analog and Digital VGA
- Quadrature Demodulator
- Baseband Filters
- ADC Buffers
- IF SAW Filter Bypass
- RX Noise Figure: 4.3 dB
- RX Input IP3: 9.5 dBm
Integrated TX and RX Synthesizers
Integrated Cross-Polarization Interference Cancellation (XPIC) Support
Auxiliary RX Chain

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