GC5337 datasheet(5/49 Pages) TI

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C6748

DSP

GC533x

DUC-CFR

DPD

DDC

DAC

I/QMod

Baseband

Data

DAC3484

ADS61B49

TRF3703/3720

Complex

Subsampled

Feedback

Mixer/BPF

LNA

ADS62P49

I/Q

Real

B0441-01

ADC

GC5330

GC5337

www.ti.com

SLWS226 B

– DECEMBER 2010 – REVISED JANUARY 2011

Figure 5. Four-Antenna-Mode Subsampled Real-Feedback Example Diagram

GENERAL DESCRIPTION

The GC533x is a wideband transmit and receive signal processor that includes digital downconverter/upconverter

(DDUC), transmit, receive, and capture buffer blocks. The transmit path includes crest factor reduction (CFR),

digital predistortion (DPD) and associated feedback path, complex equalization, and bulk upconversion. The

receive path includes wideband and narrowband automatic gain control (AGC), bulk downconversion, complex

equalization, and I/Q imbalance correction. The GC5337 is a higher-speed version of the GC5330 that has the

same package, but with interfaces that can provide more processing performance for higher-bandwidth

applications. In the descriptions, the GC5337 differences are shown with { } values.

The architecture supports different RX, TX, and feedback modes of operation. This provides for many

configurations to optimize performance and cost.

•

– real or complex input

•

– real, complex, complex with envelope tracking

•

Feedback

– subsampled real, full-rate real, full-rate complex

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Product Folder Link(s): GC5330 GC5337

GC5337 Datasheet(PDF) 5 Page - Texas Instruments

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