BCM2085 Datasheet, PDF (1/2 Pages) Broadcom Corporation. – 65-nm CMOS DigRF EDGE CELLULAR TRANSCEIVER

BCM2085
®
Brief
65-nm CMOS DigRF EDGE CELLULAR TRANSCEIVER
FEATURES
SUMMARY OF BENEFITS
• _{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)}
• _{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}
APPLICATIONS
• Mobile handsets and smartphones
BCM2085 Block Diagram
Dig RF Interface
Cellular
Baseband
PA
BCM2085