Texas Instruments GC5325
Wideband Digital Predistortion Transmit Processor
| Part No. | GC5325 |
|---|---|
| Datasheet | GC5325 Download |
| Manufacturer |  Texas Instruments |
| Description | Wideband Digital Predistortion Transmit Processor |
| Buy | Stock & Price |
FEATURES
1●23 Integrated CFR and DPD Functions
● Up to 20-MHz Combined Signal Bandwidth
● CFR: Typically Meets 3GPP TS 25.141 <6.5 dB PAR, <8 dB PAR for 802.16e Signals
● DPD: Memory Compensation, Typical ACLR Improvement of 20 dB to 30 dB or More
● Transmit- and Feedback-Channel Equalizers
● 352-Ball S-PBGA Package, 27 mm × 27 mm
● 1.2-V Core, 3.3-V I/O
● Typical Power Consumption = 1.9 W SYSTEM BLOCK DIAGRAM DAC5682Z Baseband Input GC5325 CFR–DPD DAC I/Q DAC CDCM7005
● Flexible DSP Algorithm Supports Existing and Emerging Wireless Standards
● Supports Direct Interface to TI High-Speed Data Converters
APPLICATIONS
● 3GPP (W-CDMA, TD-SCDMA) Base Stations● 3GPP2 (CDMA2000) Base Stations
● WiMAX and WiBRO (OFDMA) Base Stations
● Multicarrier Power Amplifiers (MCPAs) TRF3703 I/Q Modulator LO LPA TRF3761 HPA 'C6727 DSP ADC ADS6149 THS9001 Mixer B0278-02
DESCRIPTION
The GC5325 is a wideband digital predistortion transmit processor that includes a crest factor reduction (CFR) block and a digital predistortion (DPD) block with its associated feedback chain and capture buffers.
