5 4 3 2 1 D D R4 4.99K EN E5 U1 LT5538 L1 1.5 nH 1 RF in J1 C8 1pF IN+ 3 R1 56 OUT 4 C5 1nF CAP+ IN- CAP- VEE VCC R5 0 8 OUT E4 7 6 C7 1pF C6 DNI 5 GND E2 C10 100pF C C9 DNI 9 C ENBL 2 GND C4 1nF GND VCC E6 C2 100pF VCC C1 0.1uF E1 4.75V - 5.25V B B 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. AK VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION. COMPONENT SUBSTITUTION AND PRINTED APP ENG. DOUG S. CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY. CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE. A TECHNOLOGY TITLE: SCHEMATIC 5 4 3 LT5538 DEMO CIRCUIT 1120A IC NO. N/A SCALE = NONE A 50MHz to 3.8GHz DETECTOR 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 DATE: Thursday, February 04, 2016 2 REV. 3 SHEET 1 1 OF 2