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TUSB1002AIRGET.B Fiches technique(PDF) 16 Page - Texas Instruments

No de pièce TUSB1002AIRGET.B
Description  TUSB1002A USB3.2 10Gbps Dual-Channel Linear Redriver
PDF  38 Pages
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Fabricant  TI2 [Texas Instruments]
Site Internet  https://www.ti.com
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TUSB1002AIRGET.B Fiches technique(HTML) 16 Page - Texas Instruments

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Table 6-2. EQ Configuration Options for 1200mV Linearity 0dB DC Gain Setting
EQ SETTING #
CHx_EQ2 PIN LEVEL
CHx_EQ1 PIN LEVEL
EQ GAIN at 2.5GHz / 5GHz (dB)
1
0
0
1.0 / 3.6
2
0
R
2.1 / 5.5
3
0
F
3.0 / 6.8
4
0
1
4.0 / 8.1
5
R
0
4.6 / 9.0
6
R
R
5.5 / 10.0
7
R
F
6.2 / 10.8
8
R
1
6.9 / 11.6
9
F
0
7.3 / 11.9
10
F
R
7.9 / 12.6
11
F
F
8.4 / 13.1
12
F
1
9.0 / 13.7
13
1
0
9.4 / 14.1
14
1
R
9.9 / 14.6
15
1
F
10.3 / 14.9
16
1
1
10.7 / 15.3
6.3.3 Adjustable VOD Linear Range and DC Gain
The CFG1 and CFG2 pins can be used to adjust the TUSB1002A output voltage swing linear range and receiver
equalization DC gain. Table 6-3 details the available options.
For best performance, make sure to operate the TUSB1002A within the defined VOD linearity range. Keep
the gain of the incoming VID to less than or equal to the TUSB1002A VOD linear range setting. The can be
determined by Equation 1:
VID at 5GHz = VOD x (10-(Gv/20))
(1)
where
• Gv = TUSB1002A Gain and VOD = TUSB1002A VOD linearity setting.
For example, for a VOD linearity range setting of 1200mV, the maximum incoming VID signal at 5GHz with a
CHx_EQ[1:0] setting of 2 (5.5dB) is 1200 x (10-(5.5/20)) = 637mVpp. The TUSB1002A can operate outside VOD
linear range, but the jitter will be higher.
Table 6-3. VOD Linear Range and DC Gain
SETTING #
CFG1 PIN LEVEL
CFG2 PIN LEVEL
CH1 DC GAIN (dB)
CH2 DC GAIN (dB)
CH1 VOD LINEAR
RANGE (mVpp)
CH2 VOD LINEAR
RANGE (mVpp)
1
0
0
+1
0
900
900
2
0
R
0
+1
900
900
3
0
F
0
0
900
900
4
0
1
+1
+1
900
900
5
R
0
0
0
1000
1000
6
R
R
+1
0
1000
1000
7
R
F
0
-1
1000
1000
8
R
1
+2
+2
1000
1000
9
F
0
-1
-1
1200
1200
10
F
R
+2
+2
1200
1200
11
F
F
0
0
1200
1200
12
F
1
+1
+1
1200
1200
13
1
0
+2
0
1200
1200
14
1
R
0
+2
1200
1200
15
1
F
0
+1
1200
1200
TUSB1002A
SLLSF63C – MARCH 2018 – REVISED JULY 2024
www.ti.com
16
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Copyright © 2024 Texas Instruments Incorporated
Product Folder Links: TUSB1002A



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