5 4 3 2 1 REVISION HISTORY ECO C4 100pF REV __ 1 DESCRIPTION APPROVED DATE WESTON S. 04-28-2015 1st PROTOTYPE LO J3 D D 4 C3 DNI 6 T1 1:1 XFMR TC1-1-13M+ MINI-CIRCUITS 3 IN+ IN- 13 GND 14 15 IADJ 9 17 GND GND C6 OUT 0 OHM J2 C 0.2pF 8 7 VCC2 C2 1000pF 4 LGND EN L1 10 OUT L2 0 OHM EN 11 GND U1 LTC5576 5 C 2 12 GND VCC1 J1 3 2 1 1 C1 TEMP 1000pF 6 IN GND E4 TP TEMP LO 16 C5 0.3pF R1 2.61K VCC VCC E3 E1 C8 1uF C7 10nF 3.1-5.3V GND E2 B B NOTE: UNLESS OTHERWISE SPECIFIED 1. ALL RESISTORS ARE IN OHMS, 0402 ALL CAPACITORS ARE IN MICROFARADS, 0402 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. VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED APP ENG. CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. A TECHNOLOGY A.K. WESTON S. TITLE: SCHEMATIC 3 - 8 GHz HIGH LINEARITY UPMIXER SIZE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS. 5 4 3 1630 McCarthy Blvd. Milpitas, CA 95035 Phone: (408)432-1900 www.linear.com Fax: (408)434-0507 LTC Confidential-For Customer Use Only N/A SCALE = NONE DATE: 2 IC NO. LTC5576IUF REV. 1 DC2322A Tuesday, April 28, 2015 SHEET 1 1 OF 1 A