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AFE7906IALK Datasheet(PDF) 40 Page - Texas Instruments

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Part # AFE7906IALK
Description  AFE7906 6-Channel, 5-MHz to 12-GHz RF Sampling Receiver with 3-GSPS ADCs
PDF  78 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

AFE7906IALK Datasheet(HTML) 40 Page - Texas Instruments

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6.11.4 RX Typical Characteristics 2.6GHz
Typical values at TA = +25°C, ADC Sampling Rate = 2949.12 GHz. Default conditions: output sample rate = 491.52MSPS
(decimate by 6), PLL clock mode with fREF = 491.52MHz, AIN = –3 dBFS, DSA setting = 4 dB.
Input Frequency (MHz)
2350 2400 2450 2500 2550 2600 2650 2700 2750 2800
-2
-1.5
-1
-0.5
0
0.5
1
1.5
2
DSA=4dB
DSA=6dB
DSA=8dB
DSA=10dB
DSA=12dB
DSA=14dB
With matching, normalized to power at 2.6 GHz for each DSA
setting
Figure 6-111. RX Inband Gain Flatness, fIN = 2600 MHz
Temperature (qC)
-40
-20
0
20
40
60
80
100
120
-2
-1.5
-1
-0.5
0
0.5
1
1.5
2
1RX
2RX
3RX
4RX
With 2.6 GHz matching, normalized to fullscale at 25°C for
each channel
Figure 6-112. RX Input Fullscale vs Temperature and Channel at
2.6 GHz
DSA Setting (dB)
0
2
4
6
8
10
12
14
16
18
20
22
24
-10
-8
-6
-4
-2
0
2
4
6
8
10
1RX
2RX
3RX
4RX
With 2.6 GHz matching
Integrated Phase Error = Phase(DSA Setting) – Phase(DSA
Setting = 0)
Figure 6-113. RX Calibrated Integrated Phase Error vs DSA
Setting at 2.6 GHz
Frequency (MHz)
-250
250
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
SNR=62.5dBFS
With 2.6 GHz matching, fIN = 2610 MHz, AIN= –3 dBFS
Figure 6-114. RX Output FFT at 2.6 GHz
Temperature (qC)
-40
-20
0
20
40
60
80
100
120
-156
-155.5
-155
-154.5
-154
-153.5
-153
-152.5
-152
DSA = 4
DSA = 12
With 2.6 GHz matching, 12.5-MHz offset from tone
Figure 6-115. RX Noise Spectral Density vs Temperature at 2.6
GHz
Input Amplitude (dBFS)
-30
-25
-20
-15
-10
-5
0
-156
-155
-154
-153
-152
-151
-150
-40qC
25qC
105qC
With 2.6 GHz matching, DSA Setting = 12 dB, 12.5-MHz offset
from tone
Figure 6-116. RX Noise Spectral Density vs Input Amplitude and
Temperature at 2.6 GHz
AFE7906
SBASAF7B – JANUARY 2022 – REVISED JULY 2022
www.ti.com
40
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Copyright © 2022 Texas Instruments Incorporated
Product Folder Links: AFE7906



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