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AFE7900IALK Datasheet(PDF) 90 Page - Texas Instruments

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Part # AFE7900IALK
Description  AFE7900 4T6R RF Sampling AFE with 12 GSPS DACs and 3 GSPS ADCs
PDF  157 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

AFE7900IALK Datasheet(HTML) 90 Page - Texas Instruments

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6.12.8 TX Typical Characteristics at 800MHz (continued)
Typical values at TA = +25°C with nominal supplies. Unless otherwise noted, TX input data rate = 491.52MSPS, fDAC =
11796.48MSPS, interleave mode, AOUT = –1 dBFS, 1st Nyquist zone output, Internal PLL, fREF = 491.52MSPS, 24x
Interpolation, DSA = 0 dB, Sin(x)/x enabled, Dither = 1, DSA calibrated, TX Clock Dither Enabled
TM1.1, POUT_RMS = –13 dBFS
Figure 6-309. TX 20-MHz LTE Output Spectrum at 0.85 GHz
Pout (dBFS)
-32
-30
-28
-26
-24
-22
-20
-18
-16
-14
-12
-70
-68
-66
-64
-62
-60
-58
-56
-54
-52
1TX
2TX
3TX
4TX
Matching at 0.8 GHz, single carrier 20-MHz BW TM1.1 LTE
Figure 6-310. TX 20-MHz LTE ACPR vs Digital Level at 0.85 GHz
Pout(dBFS)
-32
-30
-28
-26
-24
-22
-20
-18
-16
-14
-12
-70
-68
-66
-64
-62
-60
-58
-56
-54
-52
1TX
2TX
3TX
4TX
Matching at 0.8 GHz, single carrier 20-MHz BW TM1.1 LTE
Figure 6-311. TX 20-MHz LTE alt-ACPR vs Digital Level at 0.85
GHz
Pout(dBFS)
-32
-30
-28
-26
-24
-22
-20
-18
-16
-14
-12
-70
-68
-66
-64
-62
-60
-58
-56
-54
-52
1TX
2TX
3TX
4TX
Matching at 0.8 GHz, single carrier 20-MHz BW TM1.1 LTE
Figure 6-312. TX 20-MHz LTE alt2-ACPR vs Digital Level at 0.85
GHz
DSA (dB)
0
4
8
12
16
20
24
28
32
36
40
-70
-67
-64
-61
-58
-55
-52
1TX
2TX
3TX
4TX
Matching at 0.8 GHz, single carrier 20-MHz BW TM1.1 LTE
Figure 6-313. TX 20-MHz LTE ACPR vs DSA at 0.85 GHz
DSA (dB)
0
4
8
12
16
20
24
28
32
36
40
-72
-69
-66
-63
-60
-57
-54
-51
1TX
2TX
3TX
4TX
Matching at 0.8 GHz, single carrier 20-MHz BW TM1.1 LTE
Figure 6-314. TX 20-MHz LTE alt-ACPR vs DSA at 0.85 GHz
AFE7900
SBASA44A – AUGUST 2021 – REVISED MARCH 2022
www.ti.com
90
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Copyright © 2022 Texas Instruments Incorporated
Product Folder Links: AFE7900



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