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ADMV4420ACPZ-R2 数据表(PDF) 36 Page - Analog Devices |
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ADMV4420ACPZ-R2 数据表(HTML) 36 Page - Analog Devices |
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36 / 61 page ![]() ADMV4420 Data Sheet Rev. A | Page 36 of 61 SPURIOUS AND HARMONICS PERFORMANCE LO Harmonics All values are in dBm and are measured at the IF output. Trace and connector losses are de-embedded. Table 5. LO Harmonics at IF Output LO Harmonics (dBm) LO Frequency (GHz) 0.25 0.5 1 1.5 2 16.75 −110 −49 −58 −71 −66 18.95 −113 −41 −45 −63 −62 21.15 −111 −34 −58 −85 −69 Reference Input (REFIN) Harmonics All values are in dBm and measured at the IF output. Trace and connector losses are de-embedded. Reference frequency is at 50 MHz. Table 6. REFIN Harmonics at the IF Output REFIN Frequency (MHz) REFIN Harmonics (dBm) 1 2 3 4 5 6 7 8 50 −78 −46 −60 −47 −57 −56 −61 −59 IF Harmonics All values are in dBm and are measured at the IF output. Trace and connector losses are de-embedded. The downconverted IF frequency is at 900 MHz. Table 7. IF Harmonics at the IF Output IF Harmonics (dBm) IF Frequency (MHz) 1 2 3 4 5 900 −7 −42 −58 −89 −90 Downconverter Spurious Outputs Mixer spurious products are measured in dBc from the IF output power level, unless otherwise specified. Trace and connector losses are de-embedded. N/A means not applicable. RF = 19.85 GHz, LO = 18.95 GHz, IF = 0.9 GHz, RF power = −40 dBm. Spur frequencies are the absolute value of (M × RF) + (N × LO/2) N × LO 0 1 2 3 4 M × RF −2 −95 −99 −101 −91 −37 −1 −78 −77 0 −81 −90 0 N/A −46 −50 −65 −56 +1 −78 −98 −80 −88 N/A +2 −95 −88 N/A N/A N/A RF = 18.05 GHz, LO = 18.95 GHz, IF = 0.9 GHz, RF power = −40 dBm. Spur frequencies are the absolute value of (M × RF) + (N × LO/2). N × LO 0 1 2 3 4 M × RF −2 −77 −70 0 −82 −87 −1 −95 −98 −103 −96 −41 0 N/A −45 −49 −64 −55 +1 −77 −98 −93 −89 N/A +2 −95 −89 N/A N/A N/A |
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