5 4 3 2 1 REVISION HISTORY ECO IF+ OPT C12 J3 IF- J4 L5 OPT D REV 2 __ OPT C13 DESCRIPTION PRODUCTION APPROVED DATE WESTON S. 12-3-13 L6 OPT OPT C10 D OPT C11 C8 1nF C7 1nF L2 560nH L1 560nH C2 R1 VCC 1nF 115 R2 115 EN 13 GND 14 IF- IF+ GND IADJ GND 5 B LO GND 12 TEMP E2 11 10 9 LO J2 C6 OPT C5 3.9pF 17 B 8 4 GND VCC 3 GND U1 LTC5577IUF 7 C3 8.2pF RF EN L4 OPT C4 0.7pF TEMP VCC 2 J1 GND 6 RF IFBIAS 1 15 C 16 C R3 OPT VCC E1 C1 1nF VCC 3.0 - 3.6V C9 1uF 0603 E3 GND E4 CUSTOMER NOTICE NOTE: UNLESS OTHERWISE SPECIFIED A 1. ALL RESISTORS ARE IN OHMS, 0402 2. ALL CAPACITORS ARE IN MICROFARADS, 0402 3. L1 & L2 ARE COILCRAFT 0603LS LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS; HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO PCB DES. VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APP ENG. 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. 5 4 APPROVALS 3 TECHNOLOGY AK 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only A WESTON S. TITLE: SCHEMATIC SIZE IC NO. N/A SCALE = NONE HIGH IP3 ACTIVE MIXER LTC5577IUF DEMO CIRCUIT 2070A REV. 2 Tuesday, December 03, 2013 DATE: 2 SHEET 1 1 OF 1