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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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DP83867CSRGZR.B датащи(PDF) 105 Page - Texas Instruments |
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DP83867CSRGZR.B датащи(HTML) 105 Page - Texas Instruments |
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105 / 129 page  8.2.1.1 Cable Line Driver The line driver implementation is designed to support simple connections to the transformer and the connector. The DP83867 includes integrated terminations so no external termination resistors are required. The connection diagram for the cable line driver is shown in Figure 8-2. TD_P_A 75 0.1µF 75 75 75 0.1µF 0.1µF 0.1µF TD_M_A TD_P_B TD_M_B TD_P_C TD_M_C TD_P_D TD_M_D 1nF 2kV Pin 1 Pin 2 Pin 3 Pin 6 Pin 4 Pin 5 Pin 7 Pin 8 A. Each center tap on the side connected to the PHY, must be isolated from one another and connected to ground via a decoupling capacitor (0.1µF recommended). B. Discrete transformer is recommended for better EMC/EMI performance. Pulse Electronics part, HX5008FNL is recommended for a discrete magnetics component. C. Only channels A&B is required for 100mbps/10mbps communication D. R//C between the ground connection is recommended for EMI purpose. Please refer to DP83867 Schematic Checklist for recommended values Figure 8-2. Magnetics Connections Magnetic isolation used with the DP83867 can either be a discrete component or integrated with the RJ-45 connector. Refer to Table 8-1 for the electrical requirements. www.ti.com DP83867CS, DP83867IS, DP83867E SNLS504F – OCTOBER 2015 – REVISED JANUARY 2025 Copyright © 2025 Texas Instruments Incorporated Submit Document Feedback 105 Product Folder Links: DP83867CS DP83867IS DP83867E |
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