Tx BASEBAND/RF PROCESSOR T E C H N O L O G I E S RFT3100 TM TM Enabling the future of communications. Figure 1. RFT3100 Processor Functional Block Diagram VDDA VDDD VDDM VDDRF VCONTROL TX_I TX_IN Σ CELLA_OUT C D M A SSB TX_Q TX_QN CELLB_OUT 1/2 90 PCSA_OUT DAC_IREF PCSB_OUT SBI & CONTROL RFT3100 OVERVIEW The RFT3100™ Baseband-toRadio Frequency (RF) Transmit Processor performs all transmit (Tx) signal processing functions required between the analog baseband and the Power Amplifier (PA) for IS-95 Code Division Multiple Access (CDMA) cellular, JSTD-018 PCS, and ARIB-53 (Japan) single-band and dual-band applications. The RFT3100 device incorporates the previous-generation functionality of the IFT3000™ Baseband-toIntermediate Frequency (IF) Processor together with RF upconversion and driver amplifiers. In addition to offering the most advanced and integrated CDMA Tx solution available, providing a board area savings of more than 65 percent over previous generation chipsets, the RFT3100 device minimizes power consumption for extended talk-time performance. The RFT3100 device is available in three configurations: dual-band cellular and PCS (RFT3100-1), cellular-only (RFT3100-2), and PCS-only (RFT3100-3). Utilizing an analog baseband interface, the RFT3100 device connects directly to QUALCOMM’s MSM3100™ PD_OUT PD_ISET TCXO LOCK_DET TXVCO_T1 TXVCO_T2 IF_BPF1 IF_BPF2 PLL RF_LO Q U A L C O M M RFT3100 TM 0 SBCK SBDT SBST AB_SEL PA_ON bandpass filter normally required between the upconverter and driver amplifier, providing overall board area and cost savings. RFT3100 functionality is specifically controlled from the MSM device via the three-line serial bus interface (SBI). Designed to meet the requirements for global CDMA markets, the RFT3100 device will operate over the following Tx frequency ranges: Cellular band 824 MHz - 925 MHz PCS band 1750 MHz - 1910 MHz The range of supply voltage for the RFT3100 device is from and MSM3300™ chipsets. The 2.7 V to 3.3 V, which provides operating compatibility for baseband quadrature signals platforms utilizing a single-cell are upconverted to the cellular Li-Ion battery design. RFT3100 or PCS frequency bands and amplified to provide signal drive operating modes are controlled by the MSM and include capability to the PA. The selective power-down, gain RFT3100 device includes an IF control, and punctured CDMA mixer for upconverting analog transmission (gated Tx power) baseband to IF, a for optimal power savings and programmable Phase Locked talk-time improvement. Loop (PLL) for generating Tx IF frequency, single-sideband The RFT3100 device is upconversion from IF to RF, two fabricated on an advanced cellular and two PCS driver BiCMOS process, which amplifiers (dual-band version), accommodates both precision and Tx power control through high-frequency analog circuits an 85 dB variable gain and low-power CMOS functions, amplifier (VGA). The singleand is available in a 32-pad sideband upconversion also BCC++ plastic package. eliminates the need for a QUALCOMM INCORPORATED CDMA TECHNOLOGIES 5775 MOREHOUSE DR. SAN DIEGO, CA 92121-1714 http://www.cdmatech.com <[email protected]> T (858)658-5005 F (858)658-1556 Tx BASEBAND/RF PROCESSOR TM Q U A L C O M M RFT3100 TM C D M A T E C H N O L O G I E S Enabling the future of communications. R F T 3 1 0 0 F E AT U R E S • Full upconversion from analog baseband to RF • Integrated I/Q modulator, IF VCO/PLL, SSB upconverter, VGA and driver amplifiers • Designed for dual-mode cellular (CDMA/AMPS), single-band PCS, or dualband PCS (PCS CDMA/AMPS) applications • Eliminates image-reject filter • • • • between upconverter and driver amplifier Includes two cellular and two PCS driver amplifier outputs (dual-band version) MSM-controlled operation via Serial Bus Interface (SBI) Tx power control through 85 dB dynamic range VGA Puncture mode (gated Tx power) for extended talk-time 3.3 V • BCC++ 32-pad plastic chip scale package (5 mm x 5 mm x 0.8 mm) performance • Simplified RF PCB design and shorter development cycle time • Supply voltage from 2.7 V to Table 1. RFT Selection Guide Part Number RFT3100-1 RFT3100-2 RFT3100-3 Functionality Dual-band Cellular and PCS Cellular-only PCS-only Figure 2. RFT3100 as Part of QUALCOMM’s MSM3300 Chipset Architecture (Dual Band: AMPS and PCS CDMA with GPS configuration shown) MSM3300 Mobile Station Modem LDOs RTC/XO GP ADC Voltage Regulator SBI Control St. Mach w/ Pwr-on Reset Battery Control UART 1 Test/Debug System Keypad * RFR3300 PLL I/Q FM ADCs UART 2 Peripheral Circuits Microprocessor Bus Address/Data TCXO 13/19.2/19.8 MHz ARM7TDMI RF Interface 2 5 8 0 Charging System USB PC Connectivity 1 4 7 PM1000 HK ADCs 3 6 9 # RINGER Enhanced General Purpose Interface Vocoder EVRC 13k MP3 MIDI QDSP2000 Second Speaker Quad Demodulation I/Q CDMA ADCs AGC MODE Select Interface MMC MMC Controller R-UIM R-UIM Controller Digital Test Bus CDMA SAW Filter Rx SAW PCS PCS LNA Rx SAW CELL CELL LNA IFR3300 Dual PLL UHF/IF CDMA Processor UHF VCO Discrete IF Filter Tx IF VCO DFM Processor Bluetooth Baseband Processor ANSI/IEEE 1149.1A-1993 JTAG Interface P C S D U P L E X E R D U P L E X E R D I P L E X E R Tx SAW CELLULAR CELL Quad Modulation Power Amplifier SSB AGC 2 PCS RFT3100 SBI C E L L Tx PLL Tx DACs SBI Control External Mode Selection GPS LNA Rx IF VCO I/Q GPS Filters SBI Control gpsOne Processor Rx SAW GPS FM SAW Filter I/Q CDMA Filters Clock Generators Stereo DAC Integrated CODEC I/Q FM Filters GPS LC Filter Tx SAW PCS A&B Power Amplifier Bluetooth 2.4 GHz Bluetooth RF Copyright © 2001 QUALCOMM Incorporated. All rights reserved. QUALCOMM is a registered trademark and service mark and RFT3100, IFT3000, MSM3100 and MSM3300 are trademarks of QUALCOMM Incorporated. All other trademarks contained herein are the property of their respective owners. Data subject to change without notice. Printed in USA 6/2001 RFT3100-SS X3 QUALCOMM INCORPORATED CDMA TECHNOLOGIES 5775 MOREHOUSE DR. SAN DIEGO, CA 92121-1714 http://www.cdmatech.com <[email protected]> T (858)658-5005 F (858)658-1556