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AFE7901 Datasheet(PDF) 70 Page - Texas Instruments

Part # AFE7901
Description  AFE7901 4T4R RF Sampling AFE with 12 GSPS DACs and 3 GSPS ADCs
PDF  160 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

AFE7901 Datasheet(HTML) 70 Page - Texas Instruments

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7.12.6 RX Typical Characteristics 4.9 GHz (continued)
Typical values at TA = +25°C, ADC Sampling Rate = 2949.12 GHz. Default conditions: output sample rate = 491.52 MSPS
(decimate by 6), PLL clock mode with fREF = 491.52 MHz, AIN = –3 dBFS, DSA setting = 4 dB.
DSA (dB)
0
2
4
6
8
10
12
14
16
-94
-92
-90
-88
-86
-84
-82
-80
-78
-76
-74
-72
-70
1RX
2RX
3RX
4RX
With 4.9 GHz matching, measured after HD2 trim, DDC
bypass mode (TI only mode for characterization)
Figure 7-191. RX HD2 vs DSA Setting and Channel at 4.9 GHz
DSA (dB)
3
6
9
12
15
18
-94
-91
-88
-85
-82
-79
-76
-73
-70
-40qC
25qC
110qC
With 4.9 GHz matching, measured after HD2 trim, DDC
bypass mode (TI only mode for characterization)
Figure 7-192. RX HD2 vs DSA and Temperature at 4.9 GHz
Input Amplitude (dBFS)
-30
-27
-24
-21
-18
-15
-12
-9
-6
-3
-1
-114
-111
-108
-105
-102
-99
-96
-93
-90
-87
-84
-81
-78
-75
-72
-40 qC
25 qC
110qC
With 4.9 GHz matching, measured after HD2 trim, DDC
bypass mode (TI only mode for characterization)
Figure 7-193. RX HD2 vs Input Level and Temperature at 4.9
GHz
DSA (dB)
3
5
7
9
11
13
15
17
19
-82
-80
-78
-76
-74
-72
-70
-68
-66
-64
-62
1RX
2RX
3RX
4RX
With 4.9 GHz matching, DDC bypass mode (TI only mode for
characterization)
Figure 7-194. RX HD3 vs DSA Setting and Channel at 4.9 GHz
DSA (dB)
3
6
9
12
15
18
-80
-77
-74
-71
-68
-65
-62
-40qC
25qC
110qC
With 4.9 GHz matching, DDC bypass mode (TI only mode for
characterization)
Figure 7-195. RX HD3 vs DSA Setting and Temperature at 4.9
GHz
Input Amplitude (dBFS)
-30
-27
-24
-21
-18
-15
-12
-9
-6
-3
-1
-110
-105
-100
-95
-90
-85
-80
-75
-70
-65
1RX
2RX
3RX
4RX
With 4.9 GHz matching, DDC bypass mode (TI only mode for
characterization)
Figure 7-196. RX HD3 vs Input Level and Channel at 4.9 GHz
AFE7901
SBASAO5 – APRIL 2023
www.ti.com
70
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Product Folder Links: AFE7901



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