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AFE7950 Datasheet(PDF) 49 Page - Texas Instruments

Part # AFE7950
Description  AFE7950-x 4T6R RF Sampling AFE with 12GSPS DACs and 3GSPS ADCs
PDF  126 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

AFE7950 Datasheet(HTML) 49 Page - Texas Instruments

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4.12.3 TX Typical Characteristics at 2.6GHz (continued)
Typical values at TA = +25°C with nominal supplies. Default conditions: TX input data rate = 491.52MSPS, fDAC =
11796.48MSPS (24x interpolation), interleave mode, 1st Nyquist zone output, PLL clock mode with fREF = 491.52MHz, AOUT =
–1dBFS, DSA = 0dB, Sin(x)/x enabled, DSA calibrated
Output Frequency (MHz)
2000
2200
2400
2600
2800
3000
3200
-160
-159
-158
-157
-156
-155
-154
-153
-152
-151
-150
-149
-148
AOUT=-30dBFS
AOUT=-20dBFS
AOUT=-12dBFS
AOUT=-6dBFS
AOUT=-1dBFS
Matching at 2.6GHz, Single tone, fDAC = 11.79648GSPS,
interleave mode, 40-MHz offset
Figure 4-102. TX Single Tone Output Noise vs Frequency and
Amplitude at 2.6GHz
TM1.1, POUT_RMS = –13dBFS
Figure 4-103. TX 20-MHz LTE Output Spectrum at 2.6GHz (Band
41)
Pout (dBFS)
-30
-28
-26
-24
-22
-20
-18
-16
-14
-12
-75
-70
-65
-60
-55
1TX
2TX
3TX
4TX
Matching at 2.6GHz, single carrier 20MHz BW TM1.1 LTE
Figure 4-104. TX 20-MHz LTE ACPR vs Digital Level at 2.6GHz
Pout (dBFS)
-30
-28
-26
-24
-22
-20
-18
-16
-14
-12
-75
-70
-65
-60
-55
1TX
2TX
3TX
4TX
Matching at 2.6GHz, single carrier 20MHz BW TM1.1 LTE
Figure 4-105. TX 20-MHz LTE alt-ACPR vs Digital Level at
2.6GHz
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 2.6GHz, single carrier 20MHz BW TM1.1 LTE
Figure 4-106. TX 20-MHz LTE ACPR vs DSA at 2.6GHz
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 2.6GHz, single carrier 20MHz BW TM1.1 LTE
Figure 4-107. TX 20-MHz LTE alt-ACPR vs DSA at 2.6GHz
www.ti.com
AFE7950-SP
SBASAG7A – MARCH 2024 – REVISED AUGUST 2024
Copyright © 2024 Texas Instruments Incorporated
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Product Folder Links: AFE7950-SP



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