GC5325
FEATURES
- 23 Integrated CFR and DPD Functions
- Up to 20-MHz bined Signal Bandwidth
- CFR: Typically Meets 3GPP TS 25.141 <6.5 d B
PAR, <8 d B PAR for 802.16e Signals
- DPD: Memory pensation, Typical ACLR
Improvement of 20 d B to 30 d B 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
CFR- DPD
DAC I/Q
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
- Wi MAX and Wi BRO (OFDMA) Base Stations
- Multicarrier Power Amplifiers (MCPAs)
TRF3703 I/Q Modulator
LPA TRF3761
'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)...