Article
LCR-mètre 0,05 % 3e partie
Le luxe de la précision accessible à tous
Dans ce troisième article, vous découvrirez quelques rectifications du schéma, les circuits imprimés et les listes de composants de l’appareil, sa réalisation, sa mise en coffret, sa mise en route et son calibrage.
Le téléchargement de ce magazine est réservé aux visiteurs enregistrés.
Identification | Inscrivez-vous maintenant !
Liste des composants
Liste des composants
circuit principal
Résistances :
(CMS 0805 1 %, sauf mention contraire)
R1, R16, R17, R28 = 10 ?
R2, R34 = 820 k?
R3, R5, R11, R13 = 8,2 k?
R4, R10, R47, R55, R56, R71, R72, R78, R81, R82, R94, R95 = 10 k?
R6, R58, R59 = 1,8 k?
R7, R100 = 5 k? aj. (Vishay-Sfernice TS53YJ502MR10)
R8, R60, R62 = 16 k?
R9, R23, R25, R35, R38, R39, R41, R52, R68, R69, R70, R87, R88, R96 = 56 ?
R12, R14 = 5,6 k?
R15, R97 = NC (non câblé)
R18 = 10kOhm 0,05 % 10 ppm (Panasonic ERA6ARW103V)
R19 = 1 ?
R20 = 1 k? 0,05 % 10 ppm (Panasonic ERA6ARW102V)
R21 = 100 ? 0,05% 5 ppm (Vishay-Dale TNPU0805100RAZEN00)
R22 = 100 k? 0,05 % 10 ppm (Panasonic ERA6ARW104V)
R24, R26, R27, R29, R33, R36, R37, R40, R44, R57, R64 = 100 ?
R30, R61, R76, R77, R80, R101 = 20 k?
R31 = 750 ?
R32, R42, R49, R66, R93 = 100 k?
R43, R84, R85, R86, R89 = 2,2 ?
R45, R73 = 39 k?
R46, R90, R91 = 680 ?
R48, R51, R74 = 4,7 k?
R50 = 0 ?
R53, R65 = 470 ?
R54 = 1 k?
R63, R98 = 1,6k?
R67 = 62 ?
R75 = 5 k? aj. (Bourns 3266W-1-502LF)
R79 = 4,3 k?
R81 = 7,5 k?
R83 = 30 k?
R92 = 430 ?
R99 = 2 k?
Condensateurs :
(CMS, taille 0805 sauf mention contraire)
C1,C2,C4,C10,C11,C12,C20,C26,C27, C28,C29,C31,C33,C34,C35,C36, C37,C40,C41,C43,C44,C45,C46, C47,C48,C49,C50,C51,C53,C54, C61,C63,C65,C78,C80,C86,C87,C88 = 100 nF 10 % X7R 25 V
C3, C9, C62, C64, C90 = 1 µF 10 % 25 V X7R
C5, C13, C18 = taille 1206 15 nF 5 % 50 V NPO
C6, C7, C14, C15, C16, C56 = taille 1206 47 nF 5 % 50 V NPO
C8, C73, C89 = 1 nF 5 % 50 V NPO
C17, C21, C23, C55, C60 = NC (non câblé)
C19, C25 = 150 pF 5 % 50 V NPO
C22, C52, C58, C59 = 1,5 nF 5 % 50 V NPO
C24, C32, C69, C72, C74, C75, C81, C85 = 2,2 µF 10 % 16 V X7R
C30, C57 = 4,7 nF 5 % 50 V NPO
C38, C39, C83, C84 = 33 pF 5 % NPO
C42, C70 = tantale boîtier A 33 µF 6,3 V (Vishay Sprague 293D336X96R3A2TE3)
C66, C71, C82 = 10 nF 10 % 50 V X7R
C67, C77, C79 = 4,7 µF 10 % 10 V X5R
C68, C76 = tantale boîtier D 470 µF 6,3 V (Kemet T495D477K006ATE100)
Inductances :
L1 = inductance double CMS, 20 µH (Bourns PM3602-20-RC)
L2, L3 = perle de ferrite CMS 0805 (Murata BLM21PG221SN1D)
Semi-conducteurs :
(CMS sauf mention contraire)
D1, D2, D3, D4, D5 = BAV199 (SOT23)
D6 = LED verte 3 mm, à fils, montage horizontal (Dialight 551-0207F)
D7 = MBR0520 (SOD123)
D8, D9 = LED rouge 0805 (ex. Kinbright KP-2012SURC)
D10 = BAT54A (SOT23)
U1 = OPA725AIDBV (SOT23-5) (TI)
U2 = MAX7404CSA (SOIC-8) (Maxim)
U3 = 74HCT4052D (SOIC-16)
U4, U20 = TLC2274AID (SOIC-14 (TI)
U5 = INA128U (SOIC-8) (TI)
U6, U11, U14 = OPA365DBV (SOT23-5) (TI)
U7 = PGA103U (SOIC-8) (TI)
U8 = 74HCT4053D (SOIC-16)
U9 = C8051F061-GQ (TQFP-64) (Silicon Laboratories)
U10 = LM4040D25IDBZ (SOT23) (TI)
U12 = DAC8811CDGK (MSOP-8) (TI)
U13 = SN74LVC2G53DCT (SM-8) (TI)
U15 = REG102GA-A (SOT223-5) (TI)
U16 = LT1611CS5 (SOT23-5) (Linear Technologies)
U17 = TPS72325DBV (SOT23-5) (TI)
U18 = TLV70030DDC (SOT23-5) (TI)
U19 = FT232RL (SSOP-28) (FTDI)
Divers :
Y1 = quartz 24 MHz fondamentale (ex. Euroquartz 24.000 MHz HC49/4H/30/50/40+85/18pF/ATF)
SW1 = inverseur (RS Components 4US1R1020M6RNS, code 734-6934)
J1, J2, J3, J6, J7, J8, J17, J21, J22 = barrette 2 pts mâle, pas de 2,54 mm
J4, J5, J14 = barrette 1 pt mâle, à recourber (cf texte)
J10, J11, J12, J13 = embase BNC horizontale isolée (ex. TE Connectivity 1-1337543-0)
J15 = HE10-10 contacts (ex. Multicomp MC9A12-1034)
J16 = HE10-14 contacts (ex. Multicomp MC9A12-1434)
J17 = barrette coudée 2 pts mâle, pas de 2,54 mm
J19 = embase USB type B horizontale (ex. TE Connectivity 292304-1)
K1 = bouton-poussoir (Omron série B3F-10xx)
circuit imprimé nu 110758-1
ou module assemblé 110758-91
boîtier (Hammond 1455L1601 + usinage + marquage)
visserie
Liste des composants
afficheur-clavier
Résistances :
(CMS 0805 1%)
R1, R2, R3, R4, R10, R11 = 4,7 k?
R5, R6, R7, R9 = 56 ?
R8 = 1k?
Condensateurs :
(CMS, taille 0805)
C1, C2, C3, C4, C5, C6, C7, C8, C9, C10 = 1uF 10 % 25V X7R
Semi-conducteurs :
D1, D2, D3, D4 = BAT54A (SOT23)
D5 = LED verte 3 mm à fils (ex. Kingbright L-424GDT)
Q1, Q2 = MOSFET N (SOT23) (ex. Fairchild FDV303N)
Divers :
U1 = afficheur graphique Displaytech 64128M-FC-BW-3
J1 = transition HE10 14 voies épaisseur 5,4 mm (Harting 09 18 114 9622)
K1, K2, K3, K4, K5 = bouton-poussoir (Multicomp TS0B22)
connecteur nappe 14 voies (ex. Multicomp MC6FD014-30P1)
nappe 14 voies 1m (10 cm utilisés) (3M 3365-14)
circuit imprimé nu 110758-2
ou module assemblé 110758-92
circuit principal
Résistances :
(CMS 0805 1 %, sauf mention contraire)
R1, R16, R17, R28 = 10 ?
R2, R34 = 820 k?
R3, R5, R11, R13 = 8,2 k?
R4, R10, R47, R55, R56, R71, R72, R78, R81, R82, R94, R95 = 10 k?
R6, R58, R59 = 1,8 k?
R7, R100 = 5 k? aj. (Vishay-Sfernice TS53YJ502MR10)
R8, R60, R62 = 16 k?
R9, R23, R25, R35, R38, R39, R41, R52, R68, R69, R70, R87, R88, R96 = 56 ?
R12, R14 = 5,6 k?
R15, R97 = NC (non câblé)
R18 = 10kOhm 0,05 % 10 ppm (Panasonic ERA6ARW103V)
R19 = 1 ?
R20 = 1 k? 0,05 % 10 ppm (Panasonic ERA6ARW102V)
R21 = 100 ? 0,05% 5 ppm (Vishay-Dale TNPU0805100RAZEN00)
R22 = 100 k? 0,05 % 10 ppm (Panasonic ERA6ARW104V)
R24, R26, R27, R29, R33, R36, R37, R40, R44, R57, R64 = 100 ?
R30, R61, R76, R77, R80, R101 = 20 k?
R31 = 750 ?
R32, R42, R49, R66, R93 = 100 k?
R43, R84, R85, R86, R89 = 2,2 ?
R45, R73 = 39 k?
R46, R90, R91 = 680 ?
R48, R51, R74 = 4,7 k?
R50 = 0 ?
R53, R65 = 470 ?
R54 = 1 k?
R63, R98 = 1,6k?
R67 = 62 ?
R75 = 5 k? aj. (Bourns 3266W-1-502LF)
R79 = 4,3 k?
R81 = 7,5 k?
R83 = 30 k?
R92 = 430 ?
R99 = 2 k?
Condensateurs :
(CMS, taille 0805 sauf mention contraire)
C1,C2,C4,C10,C11,C12,C20,C26,C27, C28,C29,C31,C33,C34,C35,C36, C37,C40,C41,C43,C44,C45,C46, C47,C48,C49,C50,C51,C53,C54, C61,C63,C65,C78,C80,C86,C87,C88 = 100 nF 10 % X7R 25 V
C3, C9, C62, C64, C90 = 1 µF 10 % 25 V X7R
C5, C13, C18 = taille 1206 15 nF 5 % 50 V NPO
C6, C7, C14, C15, C16, C56 = taille 1206 47 nF 5 % 50 V NPO
C8, C73, C89 = 1 nF 5 % 50 V NPO
C17, C21, C23, C55, C60 = NC (non câblé)
C19, C25 = 150 pF 5 % 50 V NPO
C22, C52, C58, C59 = 1,5 nF 5 % 50 V NPO
C24, C32, C69, C72, C74, C75, C81, C85 = 2,2 µF 10 % 16 V X7R
C30, C57 = 4,7 nF 5 % 50 V NPO
C38, C39, C83, C84 = 33 pF 5 % NPO
C42, C70 = tantale boîtier A 33 µF 6,3 V (Vishay Sprague 293D336X96R3A2TE3)
C66, C71, C82 = 10 nF 10 % 50 V X7R
C67, C77, C79 = 4,7 µF 10 % 10 V X5R
C68, C76 = tantale boîtier D 470 µF 6,3 V (Kemet T495D477K006ATE100)
Inductances :
L1 = inductance double CMS, 20 µH (Bourns PM3602-20-RC)
L2, L3 = perle de ferrite CMS 0805 (Murata BLM21PG221SN1D)
Semi-conducteurs :
(CMS sauf mention contraire)
D1, D2, D3, D4, D5 = BAV199 (SOT23)
D6 = LED verte 3 mm, à fils, montage horizontal (Dialight 551-0207F)
D7 = MBR0520 (SOD123)
D8, D9 = LED rouge 0805 (ex. Kinbright KP-2012SURC)
D10 = BAT54A (SOT23)
U1 = OPA725AIDBV (SOT23-5) (TI)
U2 = MAX7404CSA (SOIC-8) (Maxim)
U3 = 74HCT4052D (SOIC-16)
U4, U20 = TLC2274AID (SOIC-14 (TI)
U5 = INA128U (SOIC-8) (TI)
U6, U11, U14 = OPA365DBV (SOT23-5) (TI)
U7 = PGA103U (SOIC-8) (TI)
U8 = 74HCT4053D (SOIC-16)
U9 = C8051F061-GQ (TQFP-64) (Silicon Laboratories)
U10 = LM4040D25IDBZ (SOT23) (TI)
U12 = DAC8811CDGK (MSOP-8) (TI)
U13 = SN74LVC2G53DCT (SM-8) (TI)
U15 = REG102GA-A (SOT223-5) (TI)
U16 = LT1611CS5 (SOT23-5) (Linear Technologies)
U17 = TPS72325DBV (SOT23-5) (TI)
U18 = TLV70030DDC (SOT23-5) (TI)
U19 = FT232RL (SSOP-28) (FTDI)
Divers :
Y1 = quartz 24 MHz fondamentale (ex. Euroquartz 24.000 MHz HC49/4H/30/50/40+85/18pF/ATF)
SW1 = inverseur (RS Components 4US1R1020M6RNS, code 734-6934)
J1, J2, J3, J6, J7, J8, J17, J21, J22 = barrette 2 pts mâle, pas de 2,54 mm
J4, J5, J14 = barrette 1 pt mâle, à recourber (cf texte)
J10, J11, J12, J13 = embase BNC horizontale isolée (ex. TE Connectivity 1-1337543-0)
J15 = HE10-10 contacts (ex. Multicomp MC9A12-1034)
J16 = HE10-14 contacts (ex. Multicomp MC9A12-1434)
J17 = barrette coudée 2 pts mâle, pas de 2,54 mm
J19 = embase USB type B horizontale (ex. TE Connectivity 292304-1)
K1 = bouton-poussoir (Omron série B3F-10xx)
circuit imprimé nu 110758-1
ou module assemblé 110758-91
boîtier (Hammond 1455L1601 + usinage + marquage)
visserie
Liste des composants
afficheur-clavier
Résistances :
(CMS 0805 1%)
R1, R2, R3, R4, R10, R11 = 4,7 k?
R5, R6, R7, R9 = 56 ?
R8 = 1k?
Condensateurs :
(CMS, taille 0805)
C1, C2, C3, C4, C5, C6, C7, C8, C9, C10 = 1uF 10 % 25V X7R
Semi-conducteurs :
D1, D2, D3, D4 = BAT54A (SOT23)
D5 = LED verte 3 mm à fils (ex. Kingbright L-424GDT)
Q1, Q2 = MOSFET N (SOT23) (ex. Fairchild FDV303N)
Divers :
U1 = afficheur graphique Displaytech 64128M-FC-BW-3
J1 = transition HE10 14 voies épaisseur 5,4 mm (Harting 09 18 114 9622)
K1, K2, K3, K4, K5 = bouton-poussoir (Multicomp TS0B22)
connecteur nappe 14 voies (ex. Multicomp MC6FD014-30P1)
nappe 14 voies 1m (10 cm utilisés) (3M 3365-14)
circuit imprimé nu 110758-2
ou module assemblé 110758-92
Discussion (0 commentaire(s))