PM7800 PALADIN-10 Preliminary Digital Correction Signal Processor FEATURES • Digitial Adaptive Pre-Distortion for wideband linearization of power amplifiers in wireless basestations. • Digitial Correction for Analog Quadrature Modulation Distortion. • Digital Soft Pre-compression for efficiency management. • Input Signal Bandwidth up to 10 MHz. Sample rate up to 80 MHz. • Programmable, variable input data rate. • 16-bit microprocessor bus interface for adaptive control processor compensation engine. • Serial interface (configurable to SPI or I2C operation) for update of power and carrier values. APPLICATIONS • 48 general-purpose IO pins, eight of which are edge-triggered interrupt sources. • Standard five-signal IEEE 1149.1 JTAG test port for boundary scan board test purposes. • Multi-carrier WCDMA Base Transceiver Subsystems (BTS). • CDMA2000 BTS (requires firmware upgrade). • GSM/TDMA/EDGE BTS (requires firmware upgrade). PACKAGING • Low-power 1.8 V CMOS core logic with 3.3 V CMOS/TTL compatible digital inputs and digital outputs. • Industrial temperature range (-40 °C to +85 °C). • 304-pin SBGA with a body size of 31mm x 31mm. BLOCK DIAGRAM PALADIN-10 Padring JTAG DCLK PALADIN-10 REFCLK CPUCLK PALADIN-10 Core RESET_N PrePredistorter Circuitry Predistortion Filter Modulation Circuitry CPU Interface Capture Module Control VOBS Input Module PMC-2001613 (P1) VD GPIO DAT SCS_N SD SCLK HOP_N ADR VREF PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE © Copyright PMC-Sierra, Inc. 2000 Preliminary PM7800 PALADIN-10 Digital Correction Signal Processor TYPICAL APPLICATIONS PALADIN-10 MCPA-EQUIPPED BTS Low-Cost Class AB Amplifier Carrier 2 WCDMA Base Station Modem Base Station Controller (Radio Resource Management Entity) V Ref PM7800 PALADIN-10 DCSP CPU VD DAC RF Upconverter ADC RF Downconverter DA C Carrier 1 Power Amp V obs PALADIN Adaptive Control Processor Compensation Engine (ACPCE) (TMS320C5410) Head Office: PMC-Sierra, Inc. #105 - 8555 Baxter Place Burnaby, B.C. V5A 4V7 Canada Tel: 604.415.6000 Fax: 604.415.6200 To order documentation, send email to: [email protected] or contact the head office, Attn: Document Coordinator All product documentation is available on our web site at: http://www.pmc-sierra.com For corporate information, send email to: [email protected] PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE PMC-2001613 (P1) © Copyright PMC-Sierra, Inc. 2000. All rights reserved. SATURN and S/UNI are registered trademarks and POS-PHY Level 3 is a trademark of PMC-Sierra, Inc.