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ADF7021 数据表(PDF) 7 Page - Analog Devices |
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ADF7021 数据表(HTML) 7 Page - Analog Devices |
7 / 64 page Data Sheet ADF7021 Rev. B | Page 7 of 64 Parameter Min Typ Max Unit Test Conditions/Comments SPURIOUS EMISSIONS Reference Spurs −65 dBc 100 kHz loop bandwidth HARMONICS5 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 IMPEDANCE6 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 Using raised cosine filtering with an alpha = 0.7. The inner frequency deviation = 1.78 kHz, and the POST_DEMOD_BW = 24.6 kHz. 3 For the definition of frequency deviation, refer to the Register 2—Transmit Modulation Register section. 4 Measured as maximum unmodulated power. 5 Conductive filtered harmonic emissions measured on the EVAL-ADF7021DBx, which includes a T-stage harmonic filter (two inductors and one capacitor). 6 For matching details, refer to the LNA/PA Matching section. |
类似零件编号 - ADF7021 |
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类似说明 - ADF7021 |
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