TI Introduces Industry's Widest Bandwidth Integrated Transmit/Receive Processor

The GC533x series from Texas Instruments (TI) represents a major advancement in wireless communication technology, offering an industry-leading fully integrated transmit/receive processor designed for 3G/4G base stations, wireless RF modules, and government communication systems. This powerful solution includes three ready-to-use processors that provide a comprehensive and flexible digital transmission and reception system for broadband and multi-antenna applications. Compared to high-gate FPGAs or ASIC solutions, the GC533x significantly reduces both cost and development time. At the TI Mobile Congress, a complete system evaluation and reference design kit was introduced, giving developers a head start on their projects. The GC533x platform is built around a 148 MHz fifth-order modified transmission bandwidth with Crest Factor Reduction (CFR) capability, along with a wideband digital up/down converter, a fractional resampler, and a 48-bit numerically controlled oscillator (NCO). It also supports automatic gain control for four transmit and eight receive antennas simultaneously. Combined with the high-performance TMS320C6748 floating-point DSP, the GC533x enables efficient implementation of advanced Digital Pre-Distortion (DPD) algorithms, either through TI’s built-in solutions or custom IP. This makes it ideal for a wide range of applications, including 3GPP, MC-GSM, WiMAX, WiBRO, and 3GPP2 standards, supporting multi-channel, multi-carrier, multi-mode, and multi-frequency operations. Key features include: - A 148 MHz fifth-order modified DPD bandwidth with CFR of 2 dB, delivering superior power amplifier performance in three-carrier LTE scenarios. - ACLR improvements of 20 dB for broadband and 40 dB for narrowband applications, ensuring high signal quality. - Support for four transmit and eight receive antennas, enabling configurations like 2x2, 2x4, 4x4, and 4x8, while reducing board complexity and cost by up to ten times compared to FPGAs. - 48 digital up/down conversion channels with data rates up to 184 MS/s, plus a four-component resampler and 48-bit NCO for enhanced frequency planning flexibility. - Integrated I/Q imbalance correction that improves the performance of complex receive and DPD observation signal chains, lowering ADC sampling rates and costs. For developers, the GC5330SEK System Evaluation and Reference Design Kit offers a complete transceiver solution for broadband applications. It includes components such as the DAC3283 communication DAC, TRF372017 IQ modulator with PLL/VCO, and TRF370417 IQ modulator for diversity transmission. Additional elements include the PGA870 programmable gain amplifier, THS770006 differential op-amp, and ADS62P49 ADC for diversity transmission, along with the DPD-backed PGA870 and ADS41B49 ADC. The kit also features the CDCE72010 system frequency synthesizer and jitter cleaner, paired with the TMS320C6748 DSP for robust and scalable wireless solutions. With its advanced capabilities and ease of integration, the GC533x series is set to redefine performance and efficiency in modern wireless infrastructure.

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