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| Preliminary RF2968 BLUETOOTHTM TRANSCEIVER Typical Applications * Bluetooth GSM/GPRS/EDGE Cellular Phones * Bluetooth Wireless LAN Product Description The RF2968 is a monolithic integrated circuit intended for use as a low-cost FSK transceiver in Bluetooth applications. The device is provided in 32-lead plastic LCC packaging and is designed to provide a fully-functional FSK transceiver. The chip is intended for Bluetooth applications in the 2.4GHz to 2.5GHz ISM band. The IF and demodulation sections of the chip require no external filters or discriminators. The chip also features an image reject front end and a fully programmable synthesizer with integrated oscillator circuitry. Self-calibrating RX and TX IF circuitry optimizes link performance and eliminates manufacturing variations. BLUETOOTH is a trademark owned by the Bluetooth SIG, Inc., and licensed to RF Micro Devices, Inc. 5.00 0.10 4.75 0.10 -A-B0.40 0.10 0.20 * Cordless Phones * Battery-Powered Portable Devices 4.75 0.10 5.00 0.10 1.0 MAX 0.50 11 1 (4X) See Detail A 0.70 0.08 -CSeating Plane Detail A 0.70 0.08 1.00 MAX 5 m - 20 m -C- NOTES: 1. Shaded lead indicates Pin 1. 2. Package surface roughness at 1.5 m 0.30. Optimum Technology Matching(R) Applied Package Style: LCC, 32-Pin, 5x5 !Si Bi-CMOS InGaP/HBT Si BJT GaAs HBT SiGe HBT GaN HEMT GaAs MESFET Si CMOS SiGe Bi-CMOS Features * Fully Monolithic Integrated Transceiver * Self-Calibrating Transceiver RESNTR+ RESNTR- RSHUNT IFDGND VREG VCC7 VCC6 32 VCC1 1 31 30 Voltage Regulator 29 28 27 26 25 * Image Reject Receiver 24 PLLGND BDATA1 10 MHz BPKTCTL BXTLEN Chip Control DO VCO Transmitter VCC2 2 Filter BT = 0.5 TX DATA SYNC 4 MHz ICO LOOP FILTER LO x2 Prescaler 16/17 Synthesizer Phase Detector/ Charge Pump * Bluetooth and BlueRF Compatible * Supports Reference Clocks to 40MHz * Smallest Footprint Bluetooth Transceiver 500 kHz Address 7 23 BnPWR TXOUT 3 APPF LO /4 TX DATA /4 Phase Detector / Charge Pump DBus Address 30 Address 31 16-Bit Shift Register (Read Only) 22 BDCLK 1 MHz 5 Address 3 25 25-Bit Shift Register (Write Only) 21 BDDATA Receiver LPF/ Equalizer FSK Demodulator RX DATA RXIN 4 25-Bit Latch 16 16 16 Address 4 Address 5 Address 6 25 20 BnDEN 1 MHz IF VCC3 5 APPF LO 60 MHz Clock / Data Recovery 500 kHz 1 MHz /2 Div R 19 OSC I VCC4 6 RX DATA TX DATA 60 MHz 10 MHz 12 MHz /60 /6 /5 Phase Detector/ Charge Pump Ref. Osc. 18 OSC O 17 BRCLK Ordering Information RF2968 BluetoothTM Transceiver LPO 7 Div R DVDDH 8 9 IREF 10 VCC5 11 D1 12 BPKTCTL 13 BDATA1 14 RECCLK 15 RECDATA 16 BXTLEN Functional Block Diagram RF Micro Devices, Inc. 7628 Thorndike Road Greensboro, NC 27409, USA Tel (336) 664 1233 Fax (336) 664 0454 http://www.rfmd.com Rev A21 020819 11-281 RF2968 Preliminary Please contact RF Micro Devices Applications Engineering at (336) 678-5570 for more information. 0 11-282 Rev A21 020819 |
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