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ADRF6780ACPZN-R7 数据表(PDF) 26 Page - Analog Devices |
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ADRF6780ACPZN-R7 数据表(HTML) 26 Page - Analog Devices |
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26 / 35 page ![]() ADRF6780 Data Sheet Rev. D | Page 26 of 35 Gain, third-order intermodulation distortion (IMD3), and sideband rejection are also measured. RF frequencies from 5 GHz to 13 GHz are produced in LO ×1 mode, while LO ×2 mode produced RF frequencies from 14 GHz to 25 GHz. In both differential (Figure 77 to Figure 79) and single-ended (Figure 80 to Figure 82) configurations, the total LO power was swept from −10 dBm to +6 dBm. In differential mode, the amplitude was the sum of the LOIP and LOIN inputs. –40 –35 –30 –25 –20 –15 –10 –5 0 5 7 9 11 13 15 17 19 21 23 25 RF FREQUENCY (GHz) LO = –10dBm LO = –6dBm LO = 0dBm LO = +6dBm VATT = 2.6V VATT = 1.5V VATT = 0.4V Figure 77. LO Differential Input, Output Power (POUT) vs. RF Frequency (fRF) at Three Gain Settings for Various LO Inputs, BB I/Q Amplitude = −15 dBm RF FREQUENCY (GHz) 0 10 20 30 40 50 60 70 80 5 7 9 11 13 15 17 19 21 23 25 LO = –10dBm LO = –6dBm LO = 0dBm LO = +6dBm Figure 78. LO Differential Input, Third-Order Intermodulation Distortion (IMD3) vs. RF Frequency (fRF) at a 10 dB Gain Setting (POUT ≈ −5 dBm per Tone) 0 10 20 30 40 50 60 5 7 9 11 13 15 17 19 21 23 25 RF FREQUENCY (GHz) LO = –10dBm LO = –6dBm LO = 0dBm LO = +6dBm Figure 79. LO Differential Input, Sideband Suppression vs. RF Frequency (fRF) Before Nulling –40 –35 –30 –25 –20 –15 –10 –5 0 5 7 9 11 13 15 17 19 21 23 25 RF FREQUENCY (GHz) VATT = 2.6V VATT = 1.5V VATT = 0.4V LO = –10dBm LO = –6dBm LO = 0dBm LO = +6dBm Figure 80. LO Single-Ended Input, Output Power (POUT) vs. RF Frequency (fRF) at Three Gain Settings for Various LO Inputs, BB I/Q Amplitude = −15 dBm RF FREQUENCY (GHz) 0 10 20 30 40 50 60 70 80 5 7 9 11 13 15 17 19 21 23 25 LO = –10dBm LO = –6dBm LO = 0dBm LO = +6dBm Figure 81. LO Single-Ended Input, Third-Order Intermodulation Distortion (IMD3) vs. RF Frequency (fRF) at a 10 dB Gain Setting (POUT ≈ −5 dBm per Tone) 0 10 20 30 40 50 60 5 7 9 11 13 15 17 19 21 23 25 RF FREQUENCY (GHz) LO = –10dBm LO = –6dBm LO = 0dBm LO = +6dBm Figure 82. LO Single-Ended Input, Sideband Suppression vs. RF Frequency (fRF) Before Nulling |
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