5 4 3 2 1 J4 REVISION HISTORY VCC TP3 D DESCRIPTION APPROVED DATE 3 PRODUCTION VLADIMIR D. 11/08/10 1 2 3 C11 2.2uF 0603 3.0V - 3.6V REV T1 TC8-1 1 VCC ECO 6 4 IFA OUTPUT D VCC L1 L3 TP4 1 GND C7 180nH 180nH R3 10nF OPT VCC C9 R1 13 14 IFA- RFB ENB IFB+ 5 2.7pF 6 RFB INPUT J3 LO INPUT 10 9 TP2 1 ENB C10 R2 OPT VCC R4 C 3.9pF VCCB GND BIASB 4 LTC5569IUF GND C2 J1 C5 11 LO 8 3 GND ENA 12 ENA U1 IFB- 2 1 RFA 7 1 C TP1 10nF VCCA 2.7pF IFA+ BIASA RFA INPUT 15 16 OPT C1 J2 10nF C8 OPT VCC L2 B L4 B 3 2 180nH 1 180nH 10nF J5 IFB OUTPUT 4 6 T2 TC8-1 CUSTOMER NOTICE APPROVALS 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. MI VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APP ENG. VLADIMIR D. APPLICATION. COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. A TECHNOLOGY TITLE: SCHEMATIC 5 4 3 IC NO. REV. LTC5569IUF N/A SCALE = NONE A DUAL ACTIVE MIXER SIZE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only DEMO CIRCUIT 1719A DATE: Monday, November 08, 2010 2 SHEET 1 1 3 OF 1