Nieuwe LCR-meter 50 Hz – 2 MHz (Deel 1)
automatische impedantiemeetbrug meet weerstand, capaciteit en zelfinductie van componenten met een impedantie van 10 mΩ tot 100 MΩ
Materials
Extra info / Update
Onderdelenlijst
Onderdelenlijst hoofdprint 190311-1 v2.3
Weerstanden (SMD 0603 1% 100ppm tenzij anders vermeld):
R1,R4,R5,R8,R20,R25,R26,R37,R66,R109,R124,R164,R188 = 1k
R2,R7,R10,R14,R22,R60,R61,R62,R63,R151,R187,R192 = 10k
R3,R35,R36,R38,R65,R71,R112,R113,R129,R135,R136,R160,R183,R184,R185 = 100k
R6,R15,R45,R47,R49,R51,R67,R82,R89,R90,R119,R122,R128,R130,R131,R137,R138,R139,R140,R141,R142,R144,R162,R165,R178 = 51Ω
R9 = 27k
R11,R171 = 2k4
R12,R13 = 27Ω
R16 = 3k6
R17,R172 = 1k6
R18,R132,R133,R173 = 3k
R19,R21,R110,R115 = 2k
R23,R24,R120 = 30k
R27,R28,R29,R32 = 2k 0,1% 25ppm
R30,R80,R106,R107,R108 = 620Ω
R31 = 50Ω instelpot (Bourns 3266W)
R33,R34,R64 = 33Ω 100ppm 1206
R39,R70,R84,R126,R127 = 100Ω
R40,R41 = 110k
R42,R123 = 240Ω
R43 = 560Ω
R44,R147 = 100Ω 0,01% 50ppm 0805
R46,R148 = 1k 0,01% 10ppm 0805
R48,R149 = 10k 0,01% 10ppm 0805
R50,R150 = 100k 0,01% 10ppm 0805
R53,R55,R57,R59,R180 = 20k
R68,R125,R177,R189,R190,R191 = 510Ω
R69,R174 = 12k
R73,R88,R166,R167,R168,R169 = NC
R74 = 47k
R75,R121,R153,R161 = 10Ω
R76 = 150Ω
R77 = 91Ω
R78,R79 = 30Ω
R81 = 200Ω
R143 = 0Ω
R83 = 1k2
R85,R95,R96,R97,R98 = 390Ω
R86 = 75Ω
R87 = 43Ω
R91,R92,R93 = 1k3
R94 = 6k8
R99,R116,R117,R154,R155,R159 = 4k7
R100,R101,R102,R103,R104,R105,R118 = 3k9
R114 = 300Ω
R134 = 2k7
R145 = 7k5
R146 = 10k instelpot (Vishay TS53YJ)
R152 = 47Ω
R156,R170 = 1k5
R157 = 56k
R158 = 160k
R163 = 200k
R175,R176 = 33k
R179 = 5k1
R181 = 51k
R182 = 75k
R186 = 120k
Spoelen:
L1,L2 = ferrietkraal Murata BLM21AG102SN1D
L3,L4,L5,L16 = 470nH TDK MLZ1608DR47DT
L6,L14,L15,L20 = 10µH TDK MLZ2012M100WT
L7 = 2,2µH Coilcraft 1008PS-222KLB
L8 = 22µH Cooper Bussmann DRQ73
L9 = NC
L10,L11,L12,L13,L18,L19 = 33µH TDK MLZ2012M330WT
L17 = 22µH Taiyo Yuden CBC3225T220MR
Condensatoren (0603 tenzij anders vermeld):
C1,C2,C3,C4,C9,C15,C16,C23,C27,C28,C29,C30,C31,C45,C46,C47,C53,C54,C55,C56,C58,C59,C60,C61,C62,C63,C65,C66,C67,C75,C79,C82,C83,C84,C92,C98,C99,C100,C101,C102,C103,C104,C107,C110,C111,C113,C118,C119,C120,C123 = 100n 50V 10% X7R
C5,C6,C8,C19,C24,C26,C40,C41,C78,C89,C90,C91,C94,C108 = 4µ7 10V 10% X7R 0805
C7,C11,C13,C17,C18 = 2µ2 10V 10% X7R 0805
C10 = 270p 50V 5% NPO
C12,C57,C64,C77, C130 = 10n 50V 10% X7R
C14 = 470µ 6,3V EEEFP0J471AP PANASONIC (alu-elco)
C20,C21,C81,C95,C96,C97 = 1µ 25V 10% X7R 0805
C22 = 33µ 6,3V CASE-A (vast tantaal)
C25 = 1n 50V 5% NPO 0603
C32,C34,C36,C38,C50,C93 = 1p5 50V 0.25pF NPO
C33,C35,C37,C39 = 3p9 50V 0.25pF NPO
C42,C48,C49,C105,C112,C114,C115,C116,C127,C128,C129 = NC
C43 = 180p 50V 5% NPO
C44,C106 = 2–10p trimmer (Knowless Voltronics JZ100)
C51 = 4,5–20p trimmer (Knowless Voltronics JZ200)
C52 = 240p 50V 5% NPO
C68,C69,C70,C71 = 220p 50V 5% NPO
C72,C73,C109 = 82p 50V 5% NPO
C74 = 47p 50V 5% NPO
C76 = 6p8 50V 0.25pF NPO
C80 = 68p 50V 5% NPO
C85,C86,C124,C125 = 100n 50V 5% NPO 1206
C87,C88 = 15n 50V 5% NPO 1206
C121 = 1p 50V 0.25pF NPO 0603
C122 = 100p 50V 5% NPO 0603
C126 = 22p 50V 5% NPO 0603
C112, C114, C115, C116, C127, C128, C19 = NC
Halfgeleiders:
D1,D2,D12 = LED rood, low power 0805
D3,D4 = Schottky-diode MBR0520
D5,D11 = diode 1N4148WS
D6,D7 = dubbeldiode BAV199 LT1G
D8,D9,D10 = Schottky-diode NSVRB751V40T1G
Q1 = P-kanaal MOSFET IRLML6402
Q2,Q3,Q4,Q5,Q6,Q7 = N-kanaal MOSFET BSS123
Q8,Q9 = RF NPN BFR106
U1 = USB6B1 ESD-protectie
U2 = FT232RL USB/UART
U3 = LT1946A DC/DC schakelende regelaar
U4 = REG103GA-5 lineaire regelaar 5V 500mA
U5 = TLV70030DDCR lineaire regelaar 3V 200mA
U6 = LM2611AMF buck-converter
U7,U26 = LMH6644MT quad opamp
U9,U10,U11,U12 = AD8099ARDZ opamp
U19,U37 = LMH6618MK OPAMP SOT23_6
U20,U21,U22 = LMH6720MF opamp SOT23_6
U23 = 74HCT4052D analoge multiplexer
U24,U25 = AD9834BRUZ DDS-IC
U27 = OPA2727AID precisie-versterker
U28,U31 = TLV3501AIDB analoge comparator
U29 = 74LVC1G04DBVT inverter
U30,U66 = 74LVC1G74DCTR flipflop
U41,U42,U46 = 74LVC1G3157DBVR analoge schakelaar
U43 = ADS1246IPW 24-bit ADC
U44 = LM4050CIM3-2.5 spanningsreferentie 2,5V
U45,U62,U63,U64,U67,U68 = 74LV1T34DBVR buffer
U49 = 8-bit MCU C8051F120-GQ
U50,U51,U52,U53,U58,U59 = AQY221N2S solid state-relais
U54,U55,U56,U57 = AQY221R2S solid state-relais
U70 = 74HCT4051D analoge multiplexer
Diversen:
J1 = USB_B_Mini (TE Connectivity 1734035-2)
J2,J3 = 3-polig SIL 2,54mm
J4,J5,J6,J7 = BNC printmontage (TE Connectivity 1-1337543-0)
J8,J9,J17,J10,J11,J12,J13,J16 = 2-polig SIL haaks 2,54mm
J14 = 24-polige boxheader
J15 = 10-polige boxheader
J20,J21,J22 = testpunt
K1 = optionele 6mmdrukknop (Omron BF3-1020)
SW1 = tuimelschakelaar Nidec Copal AS1D-5M-10-Z
Y1 = 27MHz oscillator Epson X1G0044510005 SG5032CAN 27 MHZ TJGA
print 190311-1 v2.3
Displayprint 190311-2 v2.0 en behuizing
Weerstanden (SMD 0603 tenzij anders vermeld):
R1 = 500k
R2 = 620k
R3,R19 = 100k
R4,R5 = 33Ω SMD 0805
R7 = 51Ω
R6,R8 = NC
R9,R11,R12,R13,R23,R24,R26 = 4k7
R18 = 0Ω
R20 = 10k
R21 = 1M
R22,R25,R27,R28,R29,R31 = 330Ω
Condensatoren:
C1,C3 = 4µ7 10V 10% X7R 0805
C4 = 1u 25V 10% X7R 0805
C5 = 100n 50V 10% X7R 0603
C6,C10,C11,C12,C13,C14,C16 = 220n 50V 10% X7R 0603
C7,C8,C9 = 2µ2 10V 10% X7R 0805
Halfgeleiders:
D2,D3,D4,D5,D12,D13 = dubbeldiode BAT54A SOT23
D14 = diode 1N4148WS SOD323
Q1,Q2 = N-kanaal digital MOSFET FDV303N SOT23
U1 = display MCCOG240128A6W-FPTLW (MIDAS)
U2 = TLV70030DDCR lineire regelaar 3V 200mA SOT23-5
Diversen:
J1 = 24-polige boxheader (T821 series Amphenol)
SW1 = draai-encoder PEC11R-4115F-S0018 (BOURNS)
print 190311-2 v2.0
behuizing: HAMMOND 1455N1601
4 x afstandsbus hex female/female M3 7mm
1 x afstandsbus hex female/female M3 6mm
1 x sluitring staal 3mm
5 x bout/verzonken kop M3 16mm
5 x sluitring M3
5 x moer M3
2 x IDC socket 24-polig (AMPHENOL T81214A101CEU)
24-aderige flatcable 15cm
draaiknop aluminium (bijv. MENTOR 507.61)
4 x jumper 2.54mm verguld
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