5 4 3 2 1 REVISION HISTORY C1 1000pF VCC 0402 ECO REV __ 3 DESCRIPTION APPROVED PRODUCTION JOHN C. DATE 07-24-14 T_DIODE1 VCC E1 C14 1000pF DNC J1 1 6 19 DNC 21 20 DNC 16 15 R8 OPT 14 13 R3 0 DNC DNC 17 C4 1000pF T2 ADTL1-12 VCC C7 1000pF C 3 DNC VCC C15 1000pF -OUT L1 560nH 18 12 T1 ADTL1-12 DNC GND LTC6430AIUF-15 DNC 7 IN1 22 23 +IN DNC 11 6 T_DIODE U1 DNC 5 0603 DNC -IN R4 174 GND VCC 4 +OUT DNC 10 3 D C6 OPT DNC 9 2 GND C5 120pF 0603 8 C18 2.7pF GND 25 GND 1 4 C16 1000pF 1 OUT2 DNC 19 DNC 21 23 22 VCC DNC +IN 20 DNC GND C13 1000pF 0402 -OUT DNC DNC LTC6430AIUF-15 DNC J4 18 17 16 15 14 13 L2 560nH 12 B DNC 11 C17 1000pF DNC DNC 0603 T_DIODE U2 VCC R7 174 DNC 10 6 GND 9 5 DNC GND 4 +OUT -IN C19 2.7pF 3 C8 120pF 0603 DNC 8 2 7 1 GND 25 GND R6 OPT 3 6 E3 24 R5 0 4 C10 1000pF 0402 J3 OUT1 J2 C T_DIODE2 IN2 C3 0.1uF C2 1000pF L3 0 24 D B L4 0 VCC C20 OPT VCC J5 VCC C11 1000pF 4.75V - 5.25V E2 C12 0.1uF J6 GND E4 NOTE: UNLESS OTHERWISE SPECIFIED 1. ALL RESISTORS ARE IN OHMS, 0603 ALL CAPACITORS ARE 0603. A 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. 2. ALL DNC PINS ON U1 ARE FOR LINEAR USE ONLY THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 4 3 APPROVALS PCB DES. APP ENG. TECHNOLOGY AK JOHN C. 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only TITLE: SCHEMATIC RF POWER DOUBLER RF/IF AMP/ADC DRIVER SIZE N/A SCALE = NONE 2 DATE: IC NO. TWO LTC6430AIUF-15 IN PARALLEL DEMO CIRCUIT 2090A Thursday, July 24, 2014 SHEET 1 1 REV. 3 OF 1 A