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EVAL-ADF70XXMB Datasheet(PDF) 1 Page - Analog Devices |
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EVAL-ADF70XXMB Datasheet(HTML) 1 Page - Analog Devices |
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1 / 44 page  High Performance Narrowband ISM Transceiver IC Preliminary Technical Data ADF7021 FEATURES Low power, low IF transceiver Frequency bands 80 MHz to 650 MHz 862 MHz to 940 MHz Modulation schemes 2FSK, 3FSK, 4FSK Spectral shaping Gaussian and raised-cosine filtering Data rates supported 0.05 kbps to 25 kbps 2.3 V to 3.6 V power supply Programmable output power −16 dBm to +13 dBm in 63 steps Automatic PA ramp control Receiver sensitivity −125 dBm at 1 kbps, 2 FSK On-chip VCO and fractional-N PLL On-chip 7-bit ADC and temperature sensor Fully automatic frequency control loop (AFC) Digital RSSI Integrated Tx/Rx switch Leakage current <1 μA in power-down mode APPLICATIONS Narrow-band standards ETSI EN 300-220, FCC Part 90, FCC Part 15, FCC Part 95, ARIB STD-T67 Low cost, wireless data transfer Remote control/security systems Wireless metering Private mobile radio Wireless medical telemetry service (WMTS) Keyless entry Home automation Process and building control Pagers FUNCTIONAL BLOCK DIAGRAM Tx/Rx CONTROL AFC CONTROL 2FSK 3FSK 4FSK DEMODULATOR CLOCK AND DATA RECOVERY RSSI/ OFFSET CORRECTION 7-BIT ADC GAIN DIV R RFOUT LNA PFD CP OSC1 OSC2 DIVIDERS/ MUXING N/N + 1 DIV P TEMP SENSOR RING OSC CLK DIV CLKOUT TEST MUX VCOIN CPOUT POLARIZATION LDO(1:4) MUXOUT RSET CREG(1:4) RLNA RFIN RFINB CE DATA CLK | TxDATA SWD DATA I/O | RxDATA SERIAL PORT SLE SDATA SREAD SCLK IF FILTER Σ-Δ MODULATOR PA RAMP L1 L2 VCO MUX 2FSK 3FSK 4FSK MOD CONTROL GAUSSIAN/ RAISED COSINE FILTER 3FSK ENCODING AGC CONTROL MUX Figure 1. Rev. PrI Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©2006 Analog Devices, Inc. All rights reserved. |
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