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SI4136 Datasheet(PDF) 1 Page - Silicon Laboratories |
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SI4136 Datasheet(HTML) 1 Page - Silicon Laboratories |
1 / 30 page Rev. 1.0 12/00 Copyright © 2000 by Silicon Laboratories Si4136-DS10 Si4136 IS M R F S Y N TH ES I Z ER W ITH I NT EG RAT ED VCO S F OR W I R EL ES S C OMMUN I CAT IONS Features Applications Description The Si4136 is a monolithic integrated circuit that performs both IF and RF synthesis for wireless communications applications. The Si4136 includes three VCOs, loop filters, reference and VCO dividers, and phase detectors. Divider and power down settings are programmable through a three-wire serial interface. Functional Block Diagram ! Dual-Band RF Synthesizers " RF1: 2300 MHz to 2500 MHz " RF2: 2025 MHz to 2300 MHz ! IF Synthesizer " 62.5 MHz to 1000 MHz ! Integrated VCOs, Loop Filters, Varactors, and Resonators ! Minimal External Components Required ! Low Phase Noise ! 5 µA Standby Current ! 25.7 mA Typical Supply Current ! 3.0 V to 3.6 V Operation ! Package: 24-pin TSSOP ! ISM Band Communications ! Wireless LAN and WAN ! Dual-Band Communications IFO U T IFL A IFL B RFO U T XIN PW D NB SDATA SCL K SEN B IF RF2 RF1 AUXO U T Pha se Dete ct Pha se Dete ct ÷ 2 ÷ 2 IFD IV Pha se Dete ct Te st Mux 22 -b it Data R egister Serial In te rfa ce Pow er Down C ontro l Refe ren ce A m p lifier ÷ R RF 1 ÷ R RF 2 ÷ R IF ÷ N RF 1 ÷ N RF 2 ÷ N IF ÷1/÷2 Patents pending Ordering Information: See page 28. Pin Assignments Si4136 SCLK SDATA GNDR GNDR NC GNDR NC GNDR GNDR GNDR RFOUT VDDR SENB VDDI IFOUT GNDI IFLB IFLA GNDD VDDD GNDD XIN PWDNB AUXOUT 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 |
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