10 MHz Reference Generator
Highly Accurate, With Distributor and Galvanic Isolation
Component list
Component List
Resistors
SMD 0603, unless otherwise specified
R1, R3, R9, R53, R309, R314, R315 = 10k
R2, R310 = 4k7
R4 = 820 Ω
R5 = 0 Ω, SMD 2012 *
R6, R7 = 1k2
R8, R14, R52, R64, R75, R86, R97, R108, R123 = 390 Ω
R10, R17 = 100 Ω
R11, R18, R54, R57, R58, R61, R63, R66, R69, R72, R74, R77, R80, R83, R85, R88, R91, R94, R96, R99, R102, R105, R107, R110, R115, R118, R121, R124, R126, R129, R130 = 50 Ω
R13, R67, R68, R78, R79, R89, R90, R100, R101, R111, R112, R113, R114, R119, R120, R307, R308, R318 = 0 Ω *
R15 = 130 Ω
R16 = 2k5, multi-turn trim pot, vertical, RM 1/10″
R25 = 1k
R50 = 120 Ω
R51 = 200 Ω, multi-turn trim pot, vertical, RM 1/10″
R55, R56, R60, R65, R71, R76, R82, R87, R93, R98, R104, R109, R116, R117, R122, R127 = 470 Ω
R59, R70, R81, R92, R103, R128 = 330 Ω
R62, R73, R84, R95, R106, R125 = 500 Ω, multi-turn trim pot, vertical, RM 1/10″
R301, R306 = 150 Ω
R302, R305 = see text
R303, R304 = 75 Ω
R311…R313 = 10 Ω, SMD 2012
R316 = 68 Ω
R317 = 180 Ω
Capacitors
SMD 0603, unless otherwise specified
C1 = 4,700 µ / 16 V, electrolytic, RM 5 mm, ⌀ 13 mm *
C2, C4, C8…C11, C19…C22, C34, C35, C51…C54, C56…C65, C82, C83 = 100n
C3, C5, C12…C18, C33, C36…C40 = 22 µ / 20 V, SMD SMCB
C6, C7 = 2,200 µ / 16 V, electrolytic, RM 5 mm, ⌀ 13 mm
C23, C32 = 33p
C24 = 120p
C25, C90 = 5p6
C26 = 10p
C27 = 150p
C28, C31 = 100p
C29 = 12p
C30 = 39p
C66, C68, C70, C72, C74, C76, C78, C87 = 47p
C67, C69, C71, C73, C75, C77, C79, C88 = 3p3
C81, C89, C94 = 10n
C84…C86, C91…C93 = 1n
Inductors
All SMD 1210
L1…L7, L301 = 4µ7
L8 = 1µ8
L9 = 1µ5
Semiconductors
D1…D4 = SK56, Schottky, 60 V / 5 A, DO214AA *
D5…D8 = SK56, Schottky, 60 V / 5 A, DO214AA
D9, D10 = SK540, Schottky, 40 V / 5 A, DO214AC
D31 = 1N4148, SOD-123
LED1…LED3 = LED, SMD 0805
T1…T2 = 2N3904, SOT23-BEC
IC1 = 7805
IC2 = 7905
IC3 = LT1963AET-3.3 *
IC4…IC11 = MAX4392ESA, SOIC8
IC6 = MCP1525TT, SOT-23-3 *
U1 = AD8368ACPZ-WP, LFCSP-24 *
U2 = SN74LVC1G80DBVR, SOT-23-5 *
Y1 = AOCJY-20.000MHZ-F, SMD *
XO1 = XO91, 20 MHz, SMD *
Miscellaneous
X1 = 2-pin screw terminal, RM 5 mm
X5 = 3-pin screw terminal, RM 5 mm
JP1, JP2 = 2-pin header
Tr1 = transformer 2 × 6 V, 2 × 300 mA, RM 20 mm, PCB mounting *
Tr3 = transformer 2 × 6 V, 2 × 233 mA, RM 27.5 mm, PCB mounting
Tr51…TR81 = ADT1-1, RF transformer, SMD *
F1 = fuse 250 mA, 20 × 5 mm
Fuse holder for F1, PCB mounting
K1 = relay FTR-B4S, SMD
* See text
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