AFE7901 datasheet(72/160 Pages) TI

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7.12.7 RX Typical Characteristics 6.8 GHz

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

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

Input Frequency (MHz)

6400

6450

6500

6550

6600

6650

6700

6750

6800

-1

-0.8

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

DSA = 0

DSA = 2

DSA = 4

DSA = 6

DSA = 8

DSA = 10

DSA = 12

DSA = 14

DSA = 16

DSA = 20

DSA = 24

Normalized to 6.6GHz

Figure 7-202. RX In-Band Gain Flatness

DSA Setting (dB)

10 12 14 16 18 20 22 24 26

-1

-0.8

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

-40

C

110

C

Figure 7-203. RX Uncalibrated Differential Amplitude Error at

6.851 GHz

DSA Setting (dB)

10 12 14 16 18 20 22 24 26

-0.1

-0.08

-0.06

-0.04

-0.02

0.02

0.04

0.06

0.08

0.1

-40

C

110

C

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

Figure 7-204. RX Calibrated Differential Amplitude Error at 6.851

GHz

Figure 7-205. RX Uncalibrated Integrated Amplitude Error at

6.851 GHz

DSA Setting (dB)

10 12 14 16 18 20 22 24 26

-0.1

-0.08

-0.06

-0.04

-0.02

0.02

0.04

0.06

0.08

0.1

-40

C

110

C

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

Figure 7-206. RX Calibrated Integrated Amplitude Error at 6.851

GHz

Figure 7-207. RX Uncalibrated Differential Phase Error at 6.851

GHz

AFE7901

SBASAO5 – APRIL 2023

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