5 3 C6 LOin 2 R1 0.01uF 100 C7 2 4 L1 1 3 12nH 1 N/C1 2 RF+ C4 33pF C 12nH EN 5V 6 5 EN L2 3 RF4 N/C GND2 12 11 LT5512EUF IF+ IF- 10 GND1 9 3 T2 4 2 C3 1.8pF 1 D IFout 0.1-100MHZ J3 6 C N/C2 T1 VCC2 6 GND TP3 8 J1 VCC1 RFin 100-200MHZ 0.01uF N/C4 16 LO+ 15 U1 1 LO- 14 N/C3 13 J2 7 D 4 TP1 VCC 4.5V - 5.25V TP2 C1 0.01uF C2 1uF B B 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. A THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 4 CONTRACT NO. APPROVALS DRAWN HELEN DATE 12/02/05 CHECKED TECHNOLOGY TITLE 12/02/05 DESIGNER Friday, February 24, 2006 3 A LT5512EUF, HF/VHF/UHF Mixer APPROVED ENGINEER VLADIMIR.D 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 Fax: (408)434-0507 SIZE CAGE CODE SCALE: DWG NO FILENAME: 2 REV A DC933A SHEET 1 1 OF 1