Neues LCR-Messgerät 50 Hz bis 2 MHz
Teil 1: Automatische Impedanzmessbrücke misst Widerstand, Kapazität und Induktivität von Bauteilen mit einer Impedanz von 10 mΩ bis 100 MΩ
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Stückliste
Stückliste Hauptplatine
Widerstände:
(alle SMD 0603, 1%, 100 ppm, wenn nicht anders angegeben)
R1,R4,R5,R8,R20,R25,R26,R37,R66,R109,R124,R164,R188 = 1 k
R2,R7,R10,R14,R22,R60...R63,R151,R187,R192 = 10 k
R3,R35,R36,R38,R65,R71,R112,R113,R129,R135,R136,R160,R183...R185 = 100 k
R6,R15,R45,R47,R49,R51,R67,R82,R89,R90,R119,R122,R128,R130,R131,R137...142,R144,R162,R165,R178 = 51 Ω
R9 = 27 k
R11,R171 = 2k4
R12,R13 = 27 Ω
R16 = 3k6
R17,R172 = 1k6
R18,R132,R133,R173 = 3 k
R19,R21,R110,R115 = 2 k
R23,R24,R120 = 30 k
R27...R29,R32 = 2 k, 0,1% 25 ppm
R30,R80,R106...R108 = 620 Ω
R31 = Trimmpoti 50 Ω (Bourns 3266W)
R33,R34,R64 = 33 Ω, 100 ppm 1206
R39,R70,R84,R126,R127 = 100 Ω
R40,R41 = 110 k
R42,R123 = 240 Ω
R43 = 560 Ω
R44,R147 = 100 Ω 0,01%, 50 ppm, 0805
R46,R148 = 1 k, 0,01%, 0805
R48,R149 = 10 k, 0,01%, 10 ppm, 0805
R50,R150 = 100 k, 0,01%, 10 ppm, 0805
R53,R55,R57,R59,R180 = 20 k
R68,R125,R177,R189...R191 = 510 Ω
R69,R174 = 12 k
R73,R88,R166...R169 = n.c.
R74 = 47 k
R75,R121,R153,R161 = 10 Ω
R76 = 150 Ω
R77 = 91 Ω
R78,R79 = 30 Ω
R81 = 200 Ω
R143 = 0 Ω
R83 = 1k2
R85,R95...R98 = 390 Ω
R86 = 75 Ω
R87 = 43 Ω
R91...R93 = 1k3
R94 = 6k8
R99,R116,R117,R154,R155,R159 = 4k7
R100...R105,R118 = 3k9
R114 = 300 Ω
R134 = 2k7
R145 = 7k5
R146 = Trimmpoti 10 k (Vishay TS53YJ)
R152 = 47 Ω
R156,R170 = 1k5k
R157 = 56 k
R158 = 160 k
R163 = 200 k
R175,R176 = 33 k
R179 = 5k1k
R181 = 51 k
R182 = 75 k
R186 = 120 k
Induktivitäten:
L1,L2 = Ferritperle (Murata BLM21AG102SN1D)
L3,L4,L5,L16 = 470 n, TDK MLZ1608DR47DT
L6,L14,L15,L20 = 10 µ, TDK MLZ2012M100WT
L7 = 2µ2 (Coilscraft 1008PS-222KLB)
L8 = 22 µ (Cooper Bussmann DRQ73)
L9 = n.c.
L10,L11,L12,L13,L18,L19 = 33 µ (TDK MLZ2012M330WT)
L17 = 22 µ (Taiyo Yuden CBC3225T220MR)
Kondensatoren:
(0603, falls nicht anders angegeben)
C1...C4,C9,C15,C16,C23,C27...C31,C45...C47,C53...C56,C58...C63,C65...C67, C75,C79,C82...C84,C92,C98...C104,C107,C110,C111,C113,C118...C120,C123 = 100 n, 50 V, 10%, X7R
C5,C6,C8,C19,C24,C26,C40,C41,C78,C89...C91,C94,C108 = 4µ7, 10 V 10%, X7R, 0805
C7,C11,C13,C17,C18 = 2µ2, 10 V, 10%, X7R, 0805
C10 = 270 p, 50 V, 5%, NP0
C12,C57,C64,C77, C130 = 10 n, 50 V, 10%, X7R
C14 = 470 µ, 6V3, Alu-Elko (Panasonic EEEFP0J471AP)
C20,C21,C81,C95,C96,C97 = 1 µ, 25 V, 10%, X7R, 0805
C22 = 33 µ, 6V3, CASE-A (Tantal)
C25 = 1 n, 50 V, 5%, NP0, 0603
C32,C34,C36,C38,C50,C93 = 1p5, 50 V, 0p25, NP0
C33,C35,C37,C39 = 3p9, 50 V, 0p25, NP0
C42,C48,C49,C105,C112,C114...C116,C127...C129 = n.c.
C43 = 180 p, 50 V, 5%, NP0
C44,C106 = Trimmer 2-10 p (Knowless Voltronics JZ100)
C51 = Trimmer 4,5-20 p (Knowless Voltronics JZ200)
C52 = 240 p, 50 V, 5%, NP0
C68,C69,C70,C71 = 220 p, 50 V, 5%, NP0
C72,C73,C109 = 82 p, 50 V, 5%, NP0
C74 = 47 p, 50 V, 5%, NP0
C76 = 6,8 p, 50 V, 0p25, NP0
C80 = 68 p, 50 V, 5%, NP0
C85,C86,C124,C125 = 100 n, 50 V, 5%, NP0, 1206
C87,C88 = 15 n, 50 V, 5%, NP0, 1206
C121 = 1 p, 50 V, 0p25, NP0, 0603
C122 = 100 p, 50 V, 5%, NP0, 0603
C126 = 22 p, 50 V, 5%, NP0, 0603
C112, C114, C115, C116, C127, C128, C19 = n.c.
Halbleiter:
D1,D2,D12 = LED rot, low power, 0805
D3,D4 = MBR0520 (Schottky-Diode)
D5,D11 = 1N4148WS
D6,D7 = BAV199 LT1G (Doppeldiode)
D8,D9,D10 = NSVRB751V40T1G (Schottky-Diode)
Q1 = IRLML6402 (P-Kanal-MOSFET)
Q2...Q7 = BSS123 (N-Kanal-MOSFET)
Q8,Q9 = BFR106 (HF-NPN)
U1 = USB6B1 (ESD-Schutz)
U2 = FT232RL (USB zu UART)
U3 = LT1946A (DC/DC-Schaltregler)
U4 = REG103GA-5 (Linearregler, 5 V, 500 mA)
U5 = TLV70030DDCR (Linearregler, 3 V, 200 mA)
U6 = LM2611AMF (Abwärtswandler)
U7,U26 = LMH6644MT (Vierfach-Opamp)
U9...U12 = AD8099ARDZ (Opamp)
U19,U37 = LMH6618MK (Opamp SOT23-6)
U20...U22 = LMH6720MF (Opamp SOT23-6)
U23 = 74HCT4052D (Analog-Multiplexer)
U24,U25 = AD9834BRUZ (DDS-IC)
U27 = OPA2727AID (Präzisions-Opamp)
U28,U31 = TLV3501AIDB (Analog-Komparator)
U29 = 74LVC1G04DBVT (Inverter)
U30,U66 = 74LVC1G74DCTR (Flipflop)
U41,U42,U46 = 74LVC1G3157DBVR (Analogschalter)
U43 = ADS1246IPW (24-Bit-ADC)
U44 = LM4050CIM3-2.5 (Spannungsreferenz 2,5 V)
U45,U62,U63,U64,U67,U68 = 74LV1T34DBVR (Puffer)
U49 = C8051F120CG (8-Bit-MCU, Silicon Labs)
U50,U51,U52,U53,U58,U59 = AQY221N2S (Halbleiterrelais)
U54,U55,U56,U57 = AQY221R2S (Halbleiterrelais)
U70 = 74HCT4051D (Analog-Multiplexer)
Außerdem:
J1 = USB_B_Mini-Buchse (TE Connectivity 1734035-2)
J2,J3 = 1x3-polige Stiftleiste (Raster 2,54 mm)
J4,J5,J6,J7 = BNC-Buchse für Platinenmontage (TE Connectivity 1-1337543-0)
J8,J9,J17,J10,J11,J12,J13 = 1x2-polige Stiftleiste (Raster 2,54 mm)
J16 = 1x2-polige Stiftleiste, gewinkelt (Raster 2,54 mm)
J14 = 2x12-polige Stiftleiste mit Box
J15 = 2x5-polige Stiftleiste mit Box
J20,J21,J22 = Testpad
K1 = 6-mm-Drucktaster, optional (Omron BF3-1020)
SW1 = Kippschalter (Nidec Copal AS1D-5M-10-Z)
Y1 = 27-MHz-Oszillator (Epson X1G0044510005 SG5032CAN 27 MHZ TJGA)
Platine 190311-1 V2.3
Stückliste GUI/Displayplatine und Gehäuse
Widerstände:
(SMD 0603, wenn nicht anders angegeben)
R1 = 500 k
R2 = 620 k
R3,R19 = 100 k
R4,R5 = 33 Ω, 0805
R7 = 51 Ω
R6,R8 = n.c.
R9,R11...R13,R23,R24,R26 = 4k7
R18 = 0 Ω
R20 = 10 k
R21 = 1 M
R22,R25,R27,R28,R29,R31 = 330 Ω
Kondensatoren:
C1,C3 = 4,7 µ, 10 V, 10%, X7R, 0805
C4 = 1 µ, 25 V, 10%, X7R, 0805
C5 = 100 n, 50 V, 10%, X7R, 0603
C6,C10...C14,C16 = 220 n, 50 V, 10%, X7R, 0603
C7...C9 = 2µ2, 10 V, 10%, X7R, 0805
Halbleiter:
D2...D5,D12,D13 = BAT54A SOT23 (Doppeldiode)
D14 = 1N4148WS, SOD323
Q1,Q2 = FDV303N, SOT23 (digitaler N-Kanal-MOSFET)
U1 = Display MCCOG240128A6W-FPTLW (Midas)
U2 = TLV70030DDCR, SOT23-5 (Linearregler, 3 V, 200 mA)
Außerdem:
J1 = 2x12-polige Stiftleiste mit Box, (Amphenol, Serie T821)
SW1 = Drehgeber PEC11R-4115F-S0018 (Bourns)
Platine 190311-2 V2.0
Gehäuse:
Hammond 1455N1601
4 x Abstandhalter, Sechskant, Buchse/Buchse, M3x7 mm
1 x Abstandhalter, Sechskant, Buchse/Buchse, M3x6 mm
1 x dünne Unterlegscheibe, Stahl, 3 mm
5 x Maschinenschraube, Senkkopf M3 16 mm
5 x Unterlegscheibe, 3 mm
5 x Mutter M3
2 x 2x12-poliger IDC-Verbinder, female (Amphenol T81214A101CEU)
24-poliges Flachbandkabel, ca. 15 cm
Drehknopf aus Aluminium für 6-mm-Welle (z.B. Mentor 507.61)
4 x Jumper, Raster 2,54 mm, vergoldet
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