PM7800
PM7800 is Digital Correction Signal Processor manufactured by PMC-Sierra.
- Part of the PM7800_PMC comparator family.
- Part of the PM7800_PMC comparator family.
FEATURES
- Digitial Adaptive Pre-Distortion for wideband linearization of power amplifiers in wireless basestations.
- Digitial Correction for Analog Quadrature Modulation Distortion.
- Digital Soft Pre-pression 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 pensation engine.
- Serial interface (configurable to SPI or I2C operation) for update of power and carrier values.
- 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.
APPLICATIONS
- 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 patible 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 REFCLK CPUCLK PALADIN-10 Core RESET_N VREF SCS_N SD SCLK HOP_N Input Module Pre Predistorter Circuitry Predistortion Filter Modulation Circuitry VD PALADIN-10
VOBS
Capture Module
CPU Interface
GPIO
Control
PMC-2001613 (P1)
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 PM7800 PALADIN-10 DCSP
Carrier 2 WCDMA Base Station Modem
V obs
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