PMC PM7800 Datasheet
Digital Correction Signal Processor
Preliminary
PM7800
PALADIN-10
FEATURES
• Digitial Adaptive Pre-Distortion for
wideband linearization of power
amplifiers in wireless basestations.
• Digitial C orrection for Analog
Quadrature Modulati on Disto rtion.
• 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 microprocess or bus in terface for
adaptive control processor
compensation engine.
• Serial interface (configurable to SPI or
I2C operation) for update of pow er and
carrier values.
BLOCK DIAGRAM
DCLK
REFCLK
CPUCLK
RESET_N
VREF
SCS_N
SD
SCLK
HOP_N
Input Module
• 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.
PACKAGING
• Low-power 1.8 V CMOS core logic
with 3.3 V CMOS/TTL compatible
digital inputs and digital outputs.
• Industrial temperature ran ge (-40 °C to
+85 °C).
• 304-pin SBGA with a body size of
31mm x 31mm.
PALADIN-10 Core
Pre-
Predistorter
Circuitry
Predistortion
Filter
Modulation
APPLICATIONS
• Multi-carrier WCDMA Base
Transceiver Subsystems (BTS).
• CDMA2000 BTS (requires firmware
upgrade).
• GSM/TDMA/EDGE BTS (requires
firmware upgrade).
PALADIN-10 Padring
JTAG
PALADIN-10
VD
Circuitry
Capture
VOBS
PMC-2001613 (P1) PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE © Copyright PMC-Sierra, Inc. 2000
Module
CPU
Interface
Control
ADR
GPIO
DAT
Digital Correction Signal Processor
TYPICAL APPLICATIONS
PALADIN-10 MCPA-EQUIPPED BTS
Preliminary PM7800 PALADIN-10
Low-Cost
Class AB
Amplifier
Carrier 1
Carrier 2
WCDMA
Base Station
Modem
Base Station
Controller
(Radio Res ource
Management Entity)
Ref
PM7800
PALADIN-10
V
DCSP
CPU
PALADIN
Adaptiv e Control
Processor
Compensation Engine
(ACPCE)
(TMS320C5410)
V
D
V
obs
DAC
ADC
DA
C
RF Upconverter
RF Downconverter
Power
Amp
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:
document@pmc-sierra.com
or contact the head office,
Attn: Document Coordinator
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
All product documentation is available
on our web site at:
http://www.pmc-sierra.com
For corpo rate information,
send email to:
info@pmc-sierra.com
PMC-2001613 (P1)
© Copyrigh t 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.
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