REVISION # REVISION HISTORY SD PC AD FD RF1 RF2 J1 VIN+ C5 RG1 (Opt) 0 RIN1 RZ1 0 0.1uF U1 RF5 20 19 C5 18 C6 2 2 2 2 ADDED- R4 & R5, Edit Board Name 02/12/08 Philip K 3 2 2 2 DELETE- R4 & R5 03/23/08 Philip K (Opt) C1 (Opt) C4 C2 (Opt) RQ1 RQ2 RQ3 0 16 C8 IN2+ OUT 15 2 IN1+ V+ 14 BIAS V- 13 V+ (Opt) RZ2 0 0.1uF C6 C8 C10 0.01uF 10pF 4 IN1- VOCM 12 5 IN2- OUT 11 C7 10pF 10pF RG5 IN- C1 C2 C3 C4 6 7 8 9 10 R2 RG6 (Opt) C11 1000pF C9 RG4 RIN2 J3 VOUT- 49.9 1% 1 3 1st Release RF6 17 C7 APPROVED 0 0 0 RG3 C3 J2 VIN- RF4 DATE 0 R1 * IN3+ RG2 RF3 DESCRIPTION J4 VOUT+ 49.9 1% 0 (24AWG-Via) (24AWG-Via) R3 V+ RF8 RF7 RF9 RF10 RF11 E3 EXT VOCM 49.9 1% RF12 E1 V+ IN 2.7V - 5.5V C12 0.01uF C13 10uF 10V C14 1uF 10V C15 0.1uF E4 GND V+ E2 GND (24AWG-Via) 1 2 HP 3 4 LP 5 6 SHDN (24AWG-Via) JP1 APPROVALS BOARD ASSEMBLY * ASSY DC1251A-A DC1251A-B U1 LTC6601CUF-1#TR LTC6601CUF-2#TR 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. DRAWN: Rudy Bautista ENGINEER: Philip K. APPROVED: LINEAR TECHNOLOGY CORPORATION 1630 McCARTHY BLVD www.linear.com MILPITAS, CA. 95035 LTC Confidential (408)432-1900 For Customer Use Only (408)434-0507 (FAX) Title LTC6601CUF-1/LTC6601CUF-2 Pin Programmable Amplifier and Filter (5MHz - 27MHz) Size CHECKED: Date: Tuesday, March 24, 2009 Document Number Rev Demo Circuit 1251A C:\ORCADWIN\CAPTURE\1251A\1251A_00_REV3.DSN Sheet 3 1 of 1