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TUSB1002AI bảng dữ liệu(PDF) 16 Page - Texas Instruments |
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TUSB1002AI bảng dữ liệu(HTML) 16 Page - Texas Instruments |
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16 / 38 page ![]() 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 Submit Document Feedback Copyright © 2024 Texas Instruments Incorporated Product Folder Links: TUSB1002A |
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