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SI4126-F-GM Fiches technique(PDF) 1 Page - Silicon Laboratories |
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SI4126-F-GM Fiches technique(HTML) 1 Page - Silicon Laboratories |
1 / 34 page Rev. 1.4 1/06 Copyright © 2006 by Silicon Laboratories Si4136/Si4126 Si4136/Si4126 ISM RF SYNTHESIZER WITH INTEGRATED VCOS FOR WIRELESS COMMUNICATIONS 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 powerdown 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 2.7 V to 3.6 V operation Packages: 24-pin TSSOP, 28-lead QFN Lead-free/RoHS-compliant options available ISM and MMDS band communications Wireless LAN and WAN Dual-band communications IFOUT IFLA IFLB RFOUT XIN PWDN SDATA SCLK SEN IF RF2 RF1 AUXOUT Phase Detect Phase Detect ÷2 ÷2 IFDIV Phase Detect Test Mux 22-bit Data Register Serial Interface Power Down Control Reference Amplifier ÷R RF1 ÷R RF2 ÷R IF ÷N RF1 ÷N RF2 ÷N IF ÷1/÷2 Patents pending Ordering Information: See page 29. Pin Assignments Si4136-BT/GT Si4136-BM/GM SCLK SDATA GND GND NC GND NC GND GND GND RFOUT VDDR SEN VDDI IFOUT GND IFLB IFLA GND VDDD GND XIN PWDN 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 GND NC NC GND GND GND IFLB IFLA VDDD GND XIN 21 20 19 18 17 16 15 8 9 10 11 12 13 14 28 27 26 25 24 23 22 1 2 3 4 5 6 7 GND GND GND GND |
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