BCM2002X BLUETOOTHFRAC-N RADIO qualified Bluetooth V1.1 radio tra

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BCM2002X BLUETOOTHFRAC-N RADIO qualified Bluetooth V1.1 radio tra

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BCM2002X
BCM2002X BLUETOOTHFRAC-N RADIO
qualified Bluetooth V1.1 radio transceiver frequency generation 19.2, 19.68, 19.8 reference Supports
frequencies
Ideal mobile phone integration Designed handle very harsh environment mobile
phones while maintaining high radio performance optimizing overall phone performance. In-band out-of-band blocking performance significantly exceeds Bluetooth requirements. Fractional-N frequency generation technology eliminates need dedicated reference crystal, which additional source noise.
Differential interface Typical receiver sensitivity under high interference environments Typical output power satisfied requirements Class operation spurious emissions performance integration Minimal filtering required meet mobile phone
requirements
Monolithic implementation standard digital CMOS process with minimal external components
blocking performance filtering required meet mobile phone integration Minimal
requirements
Highly linear receiver exceeds Bluetooth specifications Meets filtering radiated emissions requirements without shielding power consumption Built-in digital RSSI Programmable gain 8mm, 52-pin LPCC standard package
GSM, CDMA, GPRS, WCDMA mobile phones
provides manufacturable low-cost Bluetooth RF/IF solution. On-chip auto-calibration eliminates process variation across components mitigates temperature variation, enabling chips used high-volume mobile phone applications. BlueRF RXMODE2 unidirectional baseband interface supports connection wide variety baseband devices. Applications:
BCM2002X BlueRF Frac-N Radio Application Example
BRCLK BRXD BTXD BPKTCTRL BPAEN BRXEN
RAMP SYNTH XTAL BPWR
(from Mobile Phone)
Baseband Device
BTXEN BSEN BXTLEN BnPWR BMISO BMOSI BOCLK BnDEN
BCM2002X
Loop Filters
BCM2002X Functional Block Diagram
Demodulator Slicer
Generation
Frac-N
Loop Filter
(BlueRF)
BCM2002X Bluetooth compliant integrated radio transceiver device operating band. ideal integration mobile phone applications where radio been designed handle harsh environments mobile phones provide highest communication link quality service. BCM2002X uses fractional-N frequency generation technology synthesize different reference frequencies mobile phone applications. fractional-N technology eliminates need dedicated reference crystal, which lowers cost eliminates additional noise source. receiver front-end consists low-noise amplifier image reject mixer. Balanced mixer structures accurate quadrature signals allow excellent noise figure strong image rejection.
frequency allows high performance amplifier filter designs CMOS. bandpass filter structure features self-calibration circuitry that automatically adjusts circuit elements compensate process variation. This eliminates tuning ensures that process temperature variation uniform across devices. amplifiers provide limiting function that following stages always constant signal level regardless input level. RSSI signal also generated these amplifiers system determine signal strength. signal then filtered further, demodulated, finally sent slicer generate logic level data output. BCM2002X controlled BlueRF unidirectional interface. BlueRF Bluetooth industry-standard specification that provides compatibility between Bluetooth baseband chips. This interface provides control various sections chip, defines data transfers allows access various internal registers device.
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2001 BROADCOM CORPORATION. rights reserved. 2002X-PB01-R-10.9.01
BROADCOM CORPORATION 16215 Alton Parkway, P.O. 57013 Irvine, California 92619-7013

BCM2002X BLUETOOTHFRAC-N RADIO qualified Bluetooth V1.1 radio tra

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