B C R1 1K D R2 1K Shutdown_TX 1 E1 +5TX C1 4.7uF +5TX C2 0.01uF J1 +5TX R5 10K J2 BNC C3 10uF 1 REF 2 - 3 5 6 D2 BAT54S 3 U1 LT6552CDD + 4 D3 BAT54S R7 54.9 1% C5 220uF 6V CASE C 1 R9 75 FB 1 1 2 3 4 5 6 7 8 R6 54.9 1% 2 2 D1 BAT54S 8 1 R8 23.2K 1% 2 R4 2.74K 1% 3 5 4 3 2 TX IN 7 4 R3 23.2K 1% 1 R13 1K R14 10K TX OUT R10 75 1% J3 BNC +5TX 1 C4 10uF R15 604 1% 4 CONN RJ45 + 3 R11 10K E R12 47K 1 2 3 4 5 A E2 +5V TX +5RX 3 1 Table C6 150pF R16 768 3 OFF ON R17 2.32K C8 68pF 2 JP2 1 OFF ON R19 10K R24 10K 5 4 3 2 +5RX 3 +5RX C13 10uF R28 23.2K 1% R29 2.74K 1% 1 REF 2 - 3 + 6 D6 BAT54S E5 2 R23 10K RX OUT D5 BAT54S 3 U2 LT6552CS8 C12 220uF 6V CASE C R30 75 J6 BNC 1 R31 47K 3 R32 100K E4 GND RX Shutdown_RX 2 FB 1 110ohm 1 E6 C10 0.01uF 4 2 1 RX Zin 8 75ohm 2 JP3 ON R34 604 1% 1 CONN RJ45 R27 243 1% 1 R26 110 J5 1 2 3 4 5 6 7 8 D4 BAT54S 3 R25 100K ON ON 1 +5RX 7 1 RX IN OFF OFF 2 R22 23.2K 1% ON 1 C9 4.7uF C11 10uF OFF OFF R21 1K +5RX J4 BNC EQ1 EQ2 C14 15pF R20 1K 2 1000ft GND TX R18 909 3 700ft + EQ1 +5V RX 300ft 5 1 NONE 2 3 4 5 C7 200pF 2 JP1 EQ2 EQ 3 E3 R33 10K LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY 1 Customer Notice Linear Technology Has Made A Best Effort To Design A Circuit That Meets Customer-Supplied Specifications; However, It Remains The Customer's Responsibility To Verify Proper And Reliable Operation In The Actual Application. Component Substitution And Printed Circuit Board Layout May Significantly Affect Circuit Performance Or Reliability. Contact Linear Technology Applications Engineering For Assistance. This Circuit Is Proprietary To Linear Technology And Supplied For Use With Linear Technology Parts. A B C D 1 LINEAR TECHNOLOGY CORPORATION 1630 McCARTHY BLVD. MILPITAS, CA 95035 (408) 432-1900 (408) 434-0507 FAX Title Size Video Line Driver & Receiver Document Number Demo Circuit 815A Date: Rev LT6552CDD/LT6552CS8 Sheet E 1 of 1