5 4 3 SHDN EN E1 R2 [1] R3 [1] R4 1K VCC R5 1K R6 1K C4 VCM E3 [1] R10 [1] C10 C11 [1] 10nF VCC E5 [1] 04/30/09 19 20 19 20 22 23 24 21 21 22 23 17 16 16 4 4 15 15 5 14 14 6 6 13 13 C14 C13 0.1uF 1000pF T2 C7 VCC (4:1) 0.1uF 3 C9 [1] 5 E4 [1] DECL_2 C12 VCC +OUT 4 1 R11 J2 C6 0.1uF 2 5 7 C 17 3 7 R9 0 PROD APPROVED 0.1uF J4 -OUT C21 0.1uF [1] C 1000pF 12 10nF 2 3 11 0dB 2 12 C8 2 [1] 18 11 3 08/05/08 C20 1 10 10nF DATE PROTO VCC 18 10 2 1 9 1:1 1 9 4 T1 24 U1 LTC6412CUF C5 DESCRIPTION 1 C2 1000pF 8 +IN REV D C1 1000pF 8 R7 [1] J1 5 1 VCC R1 1K C3 0.1uF -IN ECO E2 VCC D J3 2 REVISION HISTORY This circuit is proprietary to Linear Technology and supplied for use with Linear Technology parts. Customer Notice: Linear Technology has made a best effort to design a circuit that meets customer-supplied specifications; however, it remains the customers 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 Applications Engineering for assistance. C16 C15 1000pF 0.1uF R13 [1] DECL_1 R14 [1] C17 0.1uF R15 0 TP1 VCC 3.00V - 3.60V C22 VCC 0.1uF 1 TP2 GND CB1 CA1 4.7uF 1uF E6 [1] 1 E7 GND R17 R20 100 E8 +VG -VG 100 R18 [1] B R19 0 B J5 VGAIN C18 J6 0.1uF T3 TEST IN 5 4 T4 1 3 2 2 3 C19 1 0.1uF 1:1 J7 TEST OUT 4 5 1:1 R21 0 R22 0 CONTRACT NO. APPROVALS A DRAWN MI NOTES: UNLESS OTHERWISE SPECIFIED, DATE 08/05/08 TECHNOLOGY TITLE CHECKED [1] DO NOT STUFF. 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 A SCH, LTC6412CUF, 800MHz ANALOG VGA APPROVED ENGINEER DESIGNER Thursday, April 30, 2009 5 4 3 SIZE CAGE CODE DWG NO REV 2 DC1464A SCALE: 2 FILENAME: 1464a-2.dsn SHEET 1 1 OF 1