5 4 3 2 1 LOin 760MHz J1 C3 100pF D D C7 Optional L5 12nH C5 100pF U1 R2 Optional 1 LO- LT5560EDD LO+ VCC 8 C4 1.0pF EN 6 C 5 L1 0 Ohm 4 VCC 3 IN+ OUT+ 6 C1 2.2pF T1 Balun,1:1 HHM1522B1 IN- OUT- 900MHz C8 1uF L3 220nH 3 IFout 4 2 5 J3 1 3 140MHz 6 T2 ETC4-1-2,1:4 L4 220nH 9 2 4 C6 1nF C C2 1.2pF L2 0 Ohm 1 RFin EN 7 GND E2 2 2.7-5.0 V E1 J2 GND R1 3 Ohm T2 Circuit Diagram E3 TOP VIEW B CUSTOMER NOTICE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 4 1 5 2 4 3 CONTRACT NO. 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 CIRUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. A 6 3 APPROVALS DRAWN A. Karpova DATE 9/08/05 CHECKED TECHNOLOGY 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 TITLE A LT5560EDD DOWNCONVERTING MIXER APPLICATION APPROVED ENGINEER B V. Dvorkin 9/08/05 DESIGNER Tuesday, February 07, 2006 SIZE CAGE CODE SCALE: FILENAME: 2 DWG NO REV A DC991A SHEET 1 1 OF 1