User Manual

56
A70GL
Foam tape, 1/2 x 1/16 (0.125) 3M 4016 510-253
Fan Mount Insulation 510-260
Wire Clip on Adhesive Base Richco WCB-250-01A-
RT
510-279
PA BOARD MOUNT
Screw, 4-40 x 1/2" phillips pan head M/S Nickel
plated(5)
500-011
Lockwasher, #4 internal tooth small patern Zinc
(5)
500-055
Spacer, 4-40 x 3/8 hex threaded (5) Keystone 1450B 513-022
PA MODULE MOUNT
Screw, #6 - 1/2 Hex Washer head typeTCS Zinc
plated (2)
500-153
REGULATOR MOUNT
Screw, #4 x 1/4" slot hex wash hd type B
tapping Zinc plated (3)
500-130
SIL PAD to218 .86" x .74" ADHSV (3) Berquist 3223-07AC-58 DB68027
Washer, TO-220 Shoulder NYL (3) Thermalloy #7721-7PPS DB61024
Heatsink, Drilled for PA Board 520-050D5
BOM
POWER AMPLIFIER ASSEMBLY
800-373A450-50
Part Des-
ignator
Part Description Manufacturer Manufacturer
Part #
MARTI
Part #
Board Assembly, Two-Stage RF PA - Generic Marti 800-373A
U3 IC, Power Amplifier Module, 440-470 MHz, 50
W
Mitsubishi M68703HA 468-703
U5 IC, SMT, Regulator, 5A National Semi. LM338T 401-338
U6 IC, SMT, Regulator, 5A National Semi. LM338T 401-338
U7 IC, SMT, Regulator, 5A National Semi. LM338T 401-338
D1 Not Used
D2 Not Used
FL1 Filter, low-pass, see La - Ld and Ca - Cc below:
La Inductor, SMT, size1206, 5nH Coilcraft A04TJ 350-192
Lb Inductor, SMT, size1206, 8nH Coilcraft A05TJ 350-194
Lc Inductor, SMT, size1206, 8nH Coilcraft A05TJ 350-194
Ld Inductor, SMT, size1206, 5nH Coilcraft A04TJ 350-192
Ca Capacitor, SMT, size 1206, 4.7pF, COG, 100V Kemet C1206C479C1
GAC
270-407-1
Cb Capacitor, SMT, size 1206, 4.7pF, COG, 100V Kemet C1206C479C1
GAC
270-407-1
Cc Capacitor, SMT, size 1206, 4.7pF, COG, 100V Kemet C1206C479C1
GAC
270-407-1
R1 Resistor, SMT, size 1206, 0 ohms Dale CRCW1206000 185-000