BCM2085 Broadcom Corporation, BCM2085 Datasheet
BCM2085
Manufacturer Part Number
BCM2085
Description
65-nm CMOS DigRF EDGE CELLULAR TRANSCEIVER
Manufacturer
Broadcom Corporation
Datasheet
1.BCM2085.pdf
(2 pages)
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Quad-band CMOS EDGE/GPRS RF transceiver
Supports multislot GPRS and EDGE operation up to Class 34
Innovative polar transmit architecture
GMSK and 8-PSK TX modulators and ramp DAC
Four integrated receive LNAs
Digital low-IF receive architecture including digital filter
Σ∆ ADCs for conversion of baseband receive signal
Fully integrated Σ∆ fractional-N synthesizer including VCOs
and loop filters
Integrated digitally-controlled crystal oscillator (DCXO)
DigRF compatible (v1.12) baseband interface
Autonomous, real-time radio calibration
Compact 49-pin FBGA package (4 mm × 4 mm)
65-nm CMOS DigRF EDGE CELLULAR TRANSCEIVER
F E A T U R E S
®
PA
BCM2085 Block Diagram
www.DataSheet4U.com
BCM2085
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Mobile handsets and smartphones
Advanced 65-nm standard digital CMOS design for lowest
power consumption
Highly integrated design enables lowest cost, smallest area
DigRF EDGE solution
Polar transmitter architecture for EDGE enables use of
standard linear power amplifiers to simplify
No SAW filters in the transmit path
No baseband intervention required for radio calibration
S U M M A R Y O F B E N E F I T S
Dig RF Interface
A P P L I C A T I O N S
Baseband
Cellular
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BCM2085 Summary of contents
Page 1
... No SAW filters in the transmit path • No baseband intervention required for radio calibration www.DataSheet4U.com • Mobile handsets and smartphones BCM2085 Block Diagram Dig RF Interface Cellular Baseband ...
Page 2
... TX_HB TX_LB RAMP The BCM2085 is a 65-nm CMOS single chip quad-band GSM/GPRS/ EDGE RF transceiver for GSM850/EGSM900/DCS1800/PCS1900 voice and data applications. The monolithic die, designed on a 65-nm pure digital CMOS technology, integrates the transceiver core as well as the analog functionality to provide a digital interface compliant with the DigRF v1 ...