5 4 3 2 1 VCC2 C9 1.0UF 7 E1 1. ALL RESISTORS ARE IN OHMS. D R8 51.1K C10 1.0UF 2. THERE ARE TWO ASSEMBLY VERSIONS FOR THE BOARD: 3 + 2 - E2 6 C11 1.0UF R6 2.55K R10 C12 3. POPULATED UPON SPECIFIC CUSTOMER REQUEST FOR ADDITIONAL IF FILTERING. J2 IOUT 1 C13 1.0UF D R7 49.9 4 VERSION -A: C21, C22 AND C6 ARE NOT LOADED AND R3=241 OHMS. VERSION -B: T1 IS NOT LOADED AND R3 IS 68 OHM. C24 10UF 10V U2 LT1809CS8 2 3 4 5 NOTES: UNLESS OTHERWISE SPECIFIED R9 51.1K 5.11K E5 VCC2 1.0PF VCC2 C20 1.0UF E6 E7 R14 VCC1 51.1K R15 51.1K 7 C14 1.0UF 1NF U1 2 SEE NOTES FOR ASSEMBLY 3 22NF 4 C5 22NF T1 1 1 5 4 3 2 J1 IFIN 6 2 5 3 4 5 6 R3 SEE NOTE 2 7 8 JTX-4-10T C22 22NF C6 22NF - 6 VCC2 9 R1 R2 B 20K 20K C23 1.0UF 10 11 12 IOUT+ QOUT+ IOUT- QOUT- VEE5 VCC3 VCC1 VEE3 VEE4 VEE2 IFIN+ 2XLO+ IFIN- 2XLO- VEE1 VCC2 VEE6 VCCR EN RSSI STBY VEE7 IFT+ IFT- 24 C15 1.0UF R12 2.55K R13 23 22 21 C16 J3 QOUT 1 C17 1.0UF 1.0UF 1 C21 + 2 R16 49.9 C 4 C1 C 3 2 3 4 5 C2 C25 10UF 10V U3 LT1809CS8 5.11K 1.0PF C3 1NF 20 4 T2 3 J4 2XLO 1 19 R4 241 18 5 2 6 17 C18 16 C4 1.0UF 2 3 4 5 E4 VCC1 1 JTX-4-10T 1NF E3 RSSI 15 B 14 C7 1.8PF 13 E8 GND LT5502GN SW1 1 2 4 3 DM02 R17 L1 C8 241 22NH TZC03 C19 22NF OPTIONAL CIRCUIT SEE NOTE 3 LINEAR TECHNOLOGY CORP LTC CONFIDENTIAL-FOR CUSTOMER USE ONLY A A 1630 McCARTHY BLVD. MILPITAS, CA 95035 PH. (408) 954-8400 FAX (408) 434-0507 Title 400MHZ I/Q DEMODULATOR Size Document Number Wednesday, March 14, 2001 Date: 5 4 3 Rev DC333A-2*LT5502GN A 2 Sheet 1 1 of 1 A