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ADRF6601 Scheda tecnica(PDF) 1 Page - Analog Devices |
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ADRF6601 Scheda tecnica(HTML) 1 Page - Analog Devices |
1 / 24 page 750 MHz to 1160 MHz Rx Mixer with Integrated Fractional-N PLL and VCO ADRF6601 Rev. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother rightsofthird license is grant Trademarksand 9106, U.S.A. analog.com s reserved. partiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No ed by implication or otherwise under any patent or patent rights of Analog Devices. registeredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062- Tel: 781.329.4700 www. Fax: 781.461.3113 ©2010 Analog Devices, Inc. All right FEATURES Rx mixer with integrated fractional-N PLL RF input frequency range: 300 MHz to 2500 MHz Internal LO frequency range: 750 MHz to 1160 MHz Input P1dB: 14.2 dBm Input IP3: 30.0 dBm IIP3 optimization via external pin SSB noise figure IP3SET pin open: 13.0 dB IP3SET pin at 3.3 V: 13.8 dB Voltage conversion gain: 6.7 dB Matched 200 Ω IF output impedance IF 3 dB bandwidth: 500 MHz Programmable via 3-wire SPI interface 40-lead, 6 mm × 6 mm LFCSP APPLICATIONS Cellular base stations GENERAL DESCRIPTION The ADRF6601 is a high dynamic range active mixer with an integrated fractional-N phase-locked loop (PLL) and a voltage- controlled oscillator (VCO) for internal mixer LO generation. Along with the ADRF6602 and the ADRF6603, the ADRF6601 forms a family of integrated PLL/mixers. The ADRF6601 covers the frequency range of 750 MHz to 1160 MHz. The PLL reference input can support input frequencies from 12 MHz to 160 MHz. The PFD output controls a charge pump whose output drives an off-chip loop filter. The loop filter output is then applied to an integrated VCO. The VCO output at 2 × fLO is applied to an LO divider, as well as to a programmable PLL divider. The programmable PLL divider is controlled by a Σ-Δ modulator (SDM). The modulus of the SDM can be programmed from 1 to 2047. The active mixer converts the single-ended 50 Ω RF input to a 200 Ω differential IF output. The IF output can operate up to 500 MHz. The ADRF6601 is fabricated using an advanced silicon-germanium BiCMOS process. It is available in a 40-lead, RoHS-compliant, 6 mm × 6 mm LFCSP with an exposed paddle. Performance is specified over the −40°C to +85°C temperature range. Table 1. Part No. Internal LO Range ±3 dB RF Input Balun Range ±1 dB RF Input Balun Range ADRF6601 750 MHz to 1160 MHz 300 MHz to 2500 MHz 450 MHz to 1600 MHz ADRF6602 1550 MHz to 2150 MHz 1000 MHz to 3100 MHz 1350 MHz to 2750 MHz ADRF6603 2100 MHz to 2600 MHz 1100 MHz to 3200 MHz 1450 MHz to 2850 MHz FUNCTIONAL BLOCK DIAGRAM VCC1 VCC2 VCC_LO VCC_MIX VCC_V2I VCC_LO NC NC 32 33 1 10 17 22 27 34 MUX RSET CP VTUNE LODRV_EN LON LOP IP3SET 2:1 MUX VCO CORE RFIN TEMP SENSOR DECLVCO DECL2P5 DECL3P3 IFP BUFFER BUFFER IFN – + CHARGE PUMP 250µA, 500µA (DEFAULT), 750µA, 1000µA PRESCALER ÷2 LE CLK SPI INTERFACE DATA MUXOUT 3.3V LDO 2.5V LDO VCO LDO ADRF6601 INTERNAL LO RANGE 750MHz TO 1160MHz 36 DIV BY 4, 2, 1 2 37 9 38 PLL_EN REF_IN GND 19 18 39 3 5 4 8 6 14 13 12 16 7 11 15 20 21 23 24 25 28 30 31 35 40 FRACTION REG MODULUS INTEGER REG 26 THIRD-ORDER FRACTIONAL INTERPOLATOR 29 PHASE FREQUENCY DETECTOR N COUNTER 21 TO 123 ×2 ÷2 ÷4 Figure 1. |
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