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EVAL-ADF7021-NDBZ21 Datasheet(PDF) 6 Page - Analog Devices |
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EVAL-ADF7021-NDBZ21 Datasheet(HTML) 6 Page - Analog Devices |
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6 / 64 page  ADF7021-N Rev. 0 | Page 6 of 64 Parameter Min Typ Max Unit Test Conditions/Comments SPURIOUS EMISSIONS Reference Spurs −65 dBc 100 kHz loop bandwidth HARMONICS4 13 dBm output power, unfiltered conductive/filtered conductive Second Harmonic −35/−52 dBc Third Harmonic −43/−60 dBc All Other Harmonics −36/−65 dBc OPTIMUM PA LOAD IMPEDANCE5 fRF = 915 MHz 39 + j61 Ω fRF = 868 MHz 48 + j54 Ω fRF = 450 MHz 98 + j65 Ω fRF = 426 MHz 100 + j65 Ω fRF = 315 MHz 129 + j63 Ω fRF = 175 MHz 173 + j49 Ω 1 Using Gaussian or raised cosine filtering. The frequency deviation should be chosen to ensure that the transmit-occupied signal bandwidth is within the receiver IF filter bandwidth. 2 For the definition of frequency deviation, refer to the Register 2—Transmit Modulation Register section. 3 Measured as maximum unmodulated power. 4 Conductive filtered harmonic emissions measured on the EVAL-ADF7021-NDBxx, which includes a T-stage harmonic filter (two inductors and one capacitor). 5 For matching details, refer to the LNA/PA Matching section. RECEIVER SPECIFICATIONS Table 3. Parameter Min Typ Max Unit Test Conditions/Comments SENSITIVITY Bit error rate (BER) = 10−3, low noise amplifier (LNA) and power amplifier (PA) matched separately 2FSK Sensitivity at 0.1 kbps −130 dBm fDEV = 1 kHz, high sensitivity mode, IF_FILTER_BW = 13.5 kHz Sensitivity at 0.25 kbps −127 dBm fDEV = 1 kHz, high sensitivity mode, IF_FILTER_BW = 13.5 kHz Sensitivity at 1 kbps −122 dBm fDEV = 1 kHz, high sensitivity mode, IF_FILTER_BW = 13.5 kHz Sensitivity at 9.6 kbps −115 dBm fDEV = 4 kHz, high sensitivity mode, IF_FILTER_BW = 18.5 kHz Gaussian 2FSK Sensitivity at 0.1 kbps −129 dBm fDEV = 1 kHz, high sensitivity mode, IF_FILTER_BW = 13.5 kHz Sensitivity at 0.25 kbps −127 dBm fDEV = 1 kHz, high sensitivity mode, IF_FILTER_BW = 13.5 kHz Sensitivity at 1 kbps −121 dBm fDEV = 1 kHz, high sensitivity mode, IF_FILTER_BW = 13.5 kHz Sensitivity at 9.6 kbps −114 dBm fDEV = 4 kHz, high sensitivity mode, IF_FILTER_BW = 18.5 kHz GMSK Sensitivity at 9.6 kbps −113 dBm fDEV = 2.4 kHz, high sensitivity mode, IF_FILTER_BW = 18.5 kHz Raised Cosine 2FSK Sensitivity at 0.25 kbps −127 dBm fDEV = 1 kHz, high sensitivity mode, IF_FILTER_BW = 13.5 kHz Sensitivity at 1 kbps −121 dBm fDEV = 1 kHz, high sensitivity mode, IF_FILTER_BW = 13.5 kHz Sensitivity at 9.6 kbps −114 dBm fDEV = 4 kHz, high sensitivity mode, IF_FILTER_BW = 18.5 kHz |
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