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ADF7021BCPZ-RL7 Folha de dados(PDF) 9 Page - Analog Devices |
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ADF7021BCPZ-RL7 Folha de dados(HTML) 9 Page - Analog Devices |
9 / 64 page Data Sheet ADF7021 Rev. B | Page 9 of 64 Parameter Min Typ Max Unit Test Conditions/Comments ADJACENT CHANNEL REJECTION 868 MHz Wanted signal is 3 dB above the sensitivity point (BER = 10−3); unmodulated interferer is at the center of the adjacent channel; rejection measured as the difference between interferer level and wanted signal level in dB 12.5 kHz Channel Spacing 25 dB 12.5 kHz IF_BW 25 kHz Channel Spacing 27 dB 25 kHz IF_BW 25 kHz Channel Spacing 39 dB 18 kHz IF_BW 426 MHz, External InductorVCO Wanted signal 3 dB above reference sensitivity point (BER = 10−2); modulated interferer (1 kHz sine, ±2 kHz deviation) at the center of the adjacent channel; rejection measured as the difference between interferer level and reference sensitivity level in dB 12.5 kHz Channel Spacing 25 dB 12.5 kHz IF_BW 25 kHz Channel Spacing 30 dB 25 kHz IF_BW 25 kHz Channel Spacing 41 dB 18 kHz IF_BW, compliant with ARIB STD-T67 CO-CHANNEL REJECTION Wanted signal (2FSK, 9.6 kbps, ±4 kHz deviation) is 10 dB above the sensitivity point (BER = 10−3), modulated interferer 868 MHz −3 dB IMAGE CHANNEL REJECTION Wanted signal (2FSK, 9.6 kbps, ±4 kHz deviation) is 10 dB above the sensitivity point (BER = 10−3); modulated interferer (2FSK, 9.6 kbps, ±4 kHz deviation) is placed at the image frequency of fRF − 200 kHz; interferer level is increased until BER = 10−3 900 MHz 23/39 dB Uncalibrated/calibrated1, VDD = 3.0 V, TA = 25°C 450 MHz 29/50 dB Uncalibrated/calibrated1,VDD = 3.0 V, TA = 25°C 450 MHz, External InductorVCO 38/53 dB Uncalibrated/calibrated1, VDD = 3.0 V, TA = 25°C BLOCKING Wanted signal is 10 dB above the input sensitivity level; CW interferer level is increased until BER = 10−3 ±1 MHz 69 dB ±2 MHz 75 dB ±5 MHz 78 dB ±10 MHz 78.5 dB SATURATION (MAXIMUM INPUT LEVEL) 12 dBm 2FSK mode, BER = 10−3 RSSI Range at Input2 −120 to −47 dBm Linearity ±2 dB Input power range = −100 dBm to −47 dBm Absolute Accuracy ±3 dB Input power range = −100 dBm to −47 dBm Response Time 300 µs See the RSSI/AGC section AFC Pull-In Range 0.5 1.5 × IF_BW kHz The range is programmable, R10_DB[24:31] Response Time 48 Bits Accuracy 0.5 kHz Input power range = −100 dBm to +12 dBm Rx SPURIOUS EMISSIONS3 Internal Inductor VCO −91/−91 dBm <1 GHz at antenna input, unfiltered conductive/filtered conductive −52/−70 dBm >1 GHz at antenna input, unfiltered conductive/filtered conductive External Inductor VCO −62/−72 dBm <1 GHz at antenna input, unfiltered conductive/filtered conductive −64/−85 dBm >1 GHz at antenna input, unfiltered conductive/filtered conductive |
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