Main PCB 190311-1 V2.3

Resistors
(SMD 0603 1% 100ppm unless otherwise stated)

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 = 2.4k

R12,R13 = 27Ω

R16 = 3.6k

R17,R172 = 1.6k

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 trimmer (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 = 1.2k

R85,R95,R96,R97,R98 = 390Ω

R86 = 75Ω

R87 = 43Ω

R91,R92,R93 = 1.3k

R94 = 6.8k

R99,R116,R117,R154,R155,R159 = 4.7k

R100,R101,R102,R103,R104,R105,R118 = 3.9k

R114 = 300Ω

R134 = 2.7k

R145 = 7.5k

R146 = 10k trimmer (Vishay TS53YJ)

R152 = 47Ω

R156,R170 = 1.5k

R157 = 56k

R158 = 160k

R163 = 200k

R175,R176 = 33k

R179 = 5.1k

R181 = 51k

R182 = 75k

R186 = 120k

 

Inductors

L1,L2 = Bead 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

 

Capacitors
(0603 unless otherwise stated)

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 = 100nF 50V 10% X7R

C5,C6,C8,C19,C24,C26,C40,C41,C78,C89,C90,C91,C94,C108 = 4.7µF 10V 10% X7R 0805

C7,C11,C13,C17,C18 = 2.2µF 10V 10% X7R 0805

C10 = 270pF 50V 5% NPO

C12,C57,C64,C77, C130 = 10nF 50V 10% X7R

C14 = 470µF 6.3V EEEFP0J471AP PANASONIC (Aluminium Electrolytic)

C20,C21,C81,C95,C96,C97 = 1µF 25V 10% X7R 0805

C22 = 33µF 6.3V CASE-A (Solid Tantalum)

C25 = 1nF 50V 5% NPO 0603

C32,C34,C36,C38,C50,C93 = 1.5pF 50V 0.25pf NPO

C33,C35,C37,C39 = 3.9pF 50V 0.25pF NPO

C42,C48,C49,C105,C112,C114,C115,C116,C127,C128,C129 = NC

C43 = 180pF 50V 5% NPO

C44,C106 = 2-10pF trimmer (Knowless Voltronics JZ100)

C51 = 4.5-20pF trimmer (Knowless Voltronics JZ200)

C52 = 240pF 50V 5% NPO

C68,C69,C70,C71 = 220pF 50V 5% NPO

C72,C73,C109 = 82pF 50V 5% NPO

C74 = 47pF 50V 5% NPO

C76 = 6.8pF 50V 0.25pF NPO

C80 = 68pF 50V 5% NPO

C85,C86,C124,C125 = 100nF 50V 5% NPO 1206

C87,C88 = 15nF 50V 5% NPO 1206

C121 = 1pF 50V 0.25pF NPO 0603

C122 = 100pF 50V 5% NPO 0603

C126 = 22pF 50V 5% NPO 0603

C112, C114, C115, C116, C127, C128, C19 = NC

 

Semiconductors

D1,D2,D12 = red LED, low power 0805

D3,D4 = Schottky diode MBR0520

D5,D11 = diode 1N4148WS

D6,D7 = dual diode BAV199 LT1G

D8,D9,D10 = Schottky diode NSVRB751V40T1G

Q1 = P-channel MOSFET IRLML6402

Q2,Q3,Q4,Q5,Q6,Q7 = N-channel MOSFET BSS123

Q8,Q9 = RF NPN BFR106

U1 = USB6B1 ESD protection

U2 = FT232RL USB to UART

U3 = LT1946A DC/DC switching regulator

U4 = REG103GA-5 linear regulator 5V 500mA

U5 = TLV70030DDCR linear regulator 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 analog multiplexer

U24,U25 = AD9834BRUZ DDS IC

U27 = OPA2727AID precision amplifier

U28,U31 = TLV3501AIDB analog comparator

U29 = 74LVC1G04DBVT inverter

U30,U66 = 74LVC1G74DCTR flip-flop

U41,U42,U46 = 74LVC1G3157DBVR analog switch

U43 = ADS1246IPW 24-bit ADC

U44 = LM4050CIM3-2.5 voltage reference 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 relay

U54,U55,U56,U57 = AQY221R2S Solid State relay

U70 = 74HCT4051D analog multiplexer

 

Miscellaneous

J1 = USB_B_Mini (TE Connectivity 1734035-2)

J2,J3 = 3-way SIL 2.54mm

J4,J5,J6,J7 = BNC PCB-mount (TE Connectivity 1-1337543-0)

J8,J9,J17,J10,J11,J12,J13,J16 = 2-way-90º SIL 2.54mm

J14 = 24-way boxheader

J15 = 10-way boxheader

J20,J21,J22 = test point

K1 = Optional 6mm push button (Omron BF3-1020)

SW1 = toggle switch Nidec Copal AS1D-5M-10-Z

Y1 = 27 MHz oscillator Epson X1G0044510005 SG5032CAN 27 MHZ TJGA

PCB 190311-1  VER 2.3

 

 

 

 

Display PCB 190311-2 V2.0 & Enclosure

Resistors

(SMD 0603 unless otherwise stated)

R1 = 500k

R2 = 620k

R3,R19 = 100k

R4,R5 = 33Ω SMD 0805

R7 = 51Ω

R6,R8 = NC

R9,R11,R12,R13,R23,R24,R26 = 4.7k

R18 = 0Ω

R20 = 10k

R21 = 1M

R22,R25,R27,R28,R29,R31 = 330Ω

 

Capacitors

C1,C3  = 4.7uF 10V 10% X7R 0805

C4 = 1uF 25V 10% X7R 0805

C5 = 100nF 50V 10% X7R 0603

C6,C10,C11,C12,C13,C14,C16 = 220nF 50V 10% X7R 0603

C7,C8,C9 = 2.2uF 10V 10% X7R 0805

 

Semiconductors

D2,D3,D4,D5,D12,D13 = dual diode BAT54A SOT23

D14 = diode 1N4148WS SOD323

Q1,Q2 = N-channel digital MOSFET FDV303N SOT23

U1 = Display MCCOG240128A6W-FPTLW (MIDAS)

U2 = TLV70030DDCR linear regulator 3V 200mA SOT23-5

 

Miscellaneous

J1 = 24-way boxheader (i.e. T821 series Amphenol)

SW1 = Rotary encoder PEC11R-4115F-S0018 (BOURNS)

PCB 190311-2  VER 2.0

 

Enclosure: HAMMOND 1455N1601

4 x Standoff hex female/female M3 7 mm

1 x Standoff hex female/female M3 6 mm

1 x Flat washer steel 3 mm

5 x Machine screw, countersink head M3 16 mm

5 x Washer M3 

5 x Nut M3

 

2 x IDC connector socket 24 contacts (AMPHENOL T81214A101CEU)

24-way flatcable 15 cm

Rotary knob aluminium (e.g. MENTOR 507.61)

4 x Jumper 2.54mm gold plated