| 전자부품 데이터시트 검색엔진 |
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AD9670EBZ 데이터시트(PDF) 18 Page - Analog Devices |
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AD9670EBZ 데이터시트(HTML) 18 Page - Analog Devices |
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18 / 48 page ![]() Data Sheet AD9674 Rev. A | Page 17 of 47 0 –100 2 11 INPUT FREQUENCY (MHz) –90 –80 –70 –60 –50 –40 –30 –20 –10 3 4 5 6 7 8 9 10 LNA GAIN = 21.6dB PGA GAIN = 27dB MIN VGAIN, AOUT = –12.0dBFS MAX VGAIN, AOUT = –1.0dBFS THIRD-ORDER, MIN VGAIN THIRD-ORDER, MAX VGAIN SECOND-ORDER, MIN VGAIN SECOND-ORDER, MAX VGAIN Figure 21. Second-Order and Third-Order Harmonic Distortion vs. Input Frequency, AOUT = −1.0 dBFS 0 –100 10 50 CHANNEL GAIN (dB) –90 –80 –70 –60 –50 –40 –30 –20 –10 PGA GAIN = 24dB 15 20 25 30 35 40 45 LNA GAIN = 17.9dB LNA GAIN = 15.6dB LNA GAIN = 21.6dB Figure 22. Second-Order Harmonic Distortion vs. Channel Gain, AOUT = −1.0 dBFS 0 –100 10 45 CHANNEL GAIN (dB) –90 –80 –70 –60 –50 –40 –30 –20 –10 PGA GAIN = 24dB 15 20 25 30 35 40 LNA GAIN = 15.6dB LNA GAIN = 21.6dB LNA GAIN = 17.9dB Figure 23. Third-Order Harmonic Distortion vs. Channel Gain, AOUT = −1.0 dBFS 0 –120 –40 0 ADC OUTPUT LEVEL (dBFS) –110 –100 –90 –80 –70 –60 –50 –40 –30 –20 –10 –35 –30 –25 –20 –15 –10 –5 VGAIN = 0V VGAIN = –1.2V VGAIN = +1.6V Figure 24. Second-Order Harmonic Distortion vs. ADC Output Level (AOUT) 0 –120 –40 0 ADC OUTPUT LEVEL (dBFS) –110 –100 –90 –80 –70 –60 –50 –40 –30 –20 –10 –35 –30 –25 –20 –15 –10 –5 VGAIN = –1.2V VGAIN = +1.6V VGAIN = 0V Figure 25. Third-Order Harmonic Distortion vs. ADC Output Level (AOUT) –100 –160 –150 –140 –130 –120 –110 100 100k 10k 1k OFFSET FREQUENCY FROM CARRIER (Hz) Figure 26. TGC Path Phase Noise, LNA Gain = 21.6 dB, PGA Gain = 27 dB, VGAIN = 0 V |
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