AFE7903 datasheet(69/152 Pages) TI

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6.11.7 RX Typical Characteristics 6.8 GHz (continued)

Typical values at TA = +25°C. Default conditions at 30 MHz: ADC Sampling Rate = 3000 MSPS, output sample rate = 500

MSPS (decimate by 6x), External clock mode , AIN = –3 dBFS, DSA setting = 3 dB.

Calibrated at 25°C, held at -40 and 110°C

Figure 6-208. RX Calibrated Differential Phase Error at 6.851

GHz

DSA Setting (dB)

10 12 14 16 18 20 22 24 26

-20

-15

-10

-5

-40

C

110

C

Figure 6-209. RX Uncalibrated Integrated Phase Error at 6.851

GHz

Calibrated at 25°C, held at -40 and 110°C

Figure 6-210. RX Calibrated Integrated Phase Error at 6.851 GHz

FIN = 6.851 GHz, FNCO = 6.85GHz

Figure 6-211. RX Output FFT at 6.851 GHz and -3 dBFS

Output Frequency (MHz)

-250 -200 -150 -100 -50

100 150 200 250

-120

-110

-100

-90

-80

-70

-60

-50

-40

-30

-20

-10

FIN = 6.851 GHz, FNCO = 6.85GHz

Figure 6-212. RX Output FFT at 6.851GHz and -6dBFS

Output Frequency (MHz)

-250 -200 -150 -100 -50

100 150 200 250

-120

-110

-100

-90

-80

-70

-60

-50

-40

-30

-20

-10

FIN = 6.851 GHz, FNCO = 6.85GHz

Figure 6-213. RX Output FFT at 6.851 GHz and -12 dBFS

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AFE7903

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