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4 layers100 × 100 mmBioz KICAD Group Project, the printed circuit board in 3D

Bioz KICAD Group Project

Rxiaoudy/Bioz_KICAD_Group_Work1
Full screenGitHub.kicad_pcb
Size
100 × 100 mm
Copper layers
4
Thickness
1.6 mm
Parts
257
Nets
191
Pads
942
Tracks, vias
2,190, 252
Pours
66
Routed
Yes
KiCad
KiCad 10.0 (file 20260206)
Created
24 Jun 2026
Updated
5 Oct 2026

Overview

Bioz KICAD Group Project is an open-source printed circuit board by Rxiaoudy, from the Rxiaoudy/Bioz_KICAD_Group_Work repository on GitHub. It is a 4-layer board of 100 × 100 mm with 257 parts on 191 nets, routed with 2,190 tracks and 252 vias.

It is built around the ADA4805-2ARMZ, ADA4898-2YRD and ADCMP600BRJ, with the TMUX1136DQAR, TMUX4052PW and AD9708 among its other parts. Its parts include 142 capacitors, 79 resistors, 26 ICs and 2 connectors.

Main components

9

README

README.md

TODO:

PCB Layout

  • find appropriate component and footprint for the precision resistors in the current driver block
  • sort out footprint issue (same size 0805-handsolder SMD component for all)
  • lay out LDO and power source
    • copper pour for power dense area (power route, decoupling capacitor)
    • decoupling capacitor should be next to the chip
    • use wide traces for powers to minimise parasitics
    • leave a port for connecting to external source (5.00 screw terminal, banana cable, choose the most appropriate)
  • design the interface between the AFE and the sensor board
  • purchase components listed below in BOM section

AFE design

  • determine the value of the capacitors for each frequency interval in Sallen-key filter
  • PGA, ADC signal chain, design AND simulation AND layout (IMPORTANT!!)

File tree

  • datasheets stores the datasheet of the selected components
  • PCB stores all PCB designs
    • electrode designs of different electrodes
    • AFE analog front-end (waveform generator, current driver, TIA)
  • spice_models simulation SPICE model of the selected devices

BoM

itemdescriptionqtypricetotal pricelinkpurchased?arrived?
BNC to BNC cableacquire signal from sig-gen to board41144https://uk.farnell.com/pico-technology/mi030/cable-bnc-plug-plug-1-1m/dp/2842082NN
BNC to 4mm converterfor board that doesn't has a BNC interface23.557.1https://uk.farnell.com/pro-signal/psg03195/adaptor-test-2x-4mm-to-bnc-plug/dp/3403843NN
BNC to 4mm cablefor board that has direct 4mm interface210.3220.64https://uk.farnell.com/multicomp-pro/mp770800/bnc-plug-4mm-banana-plug-black/dp/3703636NN
PLCC-68 THTfor package conversion42.228.88https://uk.farnell.com/mill-max/940-44-068-24-000000/plcc-socket-68pos-2-54mm-th/dp/2840860NN
alligator clipalligator clip66.4338.58https://uk.farnell.com/hirschmann-testmeasurement/ak-2-s/crocodile-clip-9-5mm-black-red/dp/495311NN
wire hooksfor hooking up testpoints213.4126.82https://uk.farnell.com/cal-test-electronics/ct4401-0/hook-clip-4mm-banana-jack-black/dp/4531798NN
2.54mm socketfor CMOD FPGA100.4894.89https://uk.farnell.com/samtec/ssw-105-01-t-s/conn-rcpt-5pos-1row-2-54mm/dp/3550896NN
SUBTOTAL150.91

Parts

257
QtyValueFootprintReferences
49100nCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC1, C10, C11, C12, C13, C14, C15, C16, C119, C120, C121, C122, C128, C129, C132, C134 +33
34100nCapacitor_SMD:C_0402_1005MetricC76, C103, C104, C105, C106, C107, C108, C113, C114, C124, C125, C137, C139, C140, C141, C142 +18
1010uCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC55, C57, C58, C59, C62, C64, C66, C67, C74, C95
8100Resistor_SMD:R_0402_1005MetricR30, R31, R32, R33, R34, R35, R36, R37
810kResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR1, R2, R3, R4, R5, R71, R72, R74
815kLibrary.pretty_resistor:R_THT_VPG_S102C_Socketed_MillMax0305-2_P3.81mmR6, R7, R8, R9, R12, R13, R14, R15
61uCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC5, C127, C130, C133, C135, C138
633Resistor_SMD:R_0402_1005MetricR38, R41, R43, R45, R46, R48
65pCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC6, C7, C40, C45, C46, C47
6976Resistor_SMD:R_0402_1005MetricR49, R50, R53, R54, R59, R60
41.5kResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR84, R86, Re1, Re3
4100pCapacitor_SMD:C_0402_1005MetricC101, C102, C111, C112
410nCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC68, C115, C116, C131
412.7kResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR64, R65, R68, R69
41kResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR79, R80, R83, R85
4200Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR25, R26, Rf_A1, Rf_A2
4MountingScrewMountingHole:MountingHole_3.2mm_M3H1, H2, H3, H4
3LT3045xMSEPackage_SO:MSOP-12-1EP_3x4.039mm_P0.65mm_EP1.651x2.845mmU9, U10, U11
21.35kResistor_SMD:R_0402_1005MetricR51, R52
21.64nCapacitor_SMD:C_0402_1005MetricC109, C110
2100Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR24, R27
2100Library.pretty_resistor:R_THT_VPG_S102C_Socketed_MillMax0305-2_P3.81mmR11, R17
2132.4pCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC25, C37
215Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR23, R28
2156pCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC22, C34
21pCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC89, C90
21uCapacitor_SMD:C_0402_1005MetricC123, C126
220.4pCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC27, C39
224.9kResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR18, R19
22nCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC117, C118
2300pCapacitor_SMD:C_0402_1005MetricC99, C100
2308.1pCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC21, C33
2408.6pCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC24, C36
2453Resistor_SMD:R_0402_1005MetricR55, R56
249.9kResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR66, R67
2536Resistor_SMD:R_0402_1005MetricR57, R58
256pCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC26, C38
275.4pCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC23, C35
28.78kResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR10, R16
28kResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR81, R82
2900.9pCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC20, C32
2ADCMP600footprints-ADCMP600:RJ_5_ADIU22, U26
2Conn_01x24_PinConnector_PinSocket_2.54mm:PinSocket_1x24_P2.54mm_VerticalJFPGA_Left1, JFPGA_Right1
2LTC6253xMS8Package_SO:MSOP-8_3x3mm_P0.65mmU6, U7
2THS4551xRGT_EDITEDTHS4551_footprints:RGT0016CU16, U17
2TMUX1136DQARTMUX1136_DGSR_footprints:DGS0010A-IPC_CU18, U24
2TMUX4052Package_SO:TSSOP-16_4.4x5mm_P0.65mmU4, U5
1100Resistor_SMD:R_0402_1005Metric_Pad0.72x0.64mm_HandSolderR29
110kResistor_SMD:R_0402_1005MetricR47
110uCapacitor_SMD:C_0402_1005MetricC136
115kResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR22
1180pCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC75
12.4kResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR73
122pCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC72
133kResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR21
137.5KResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR20
1402Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderRe2
147Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR70
17.68kResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderRSET1
1AD9708Package_SO:TSSOP-28_4.4x9.7mm_P0.65mmU1
1ADA4528-2footprints-ADA4528-2:RM_8_ADIU23
1ADA4805-2ARMZPackage_SO:MSOP-8_3x3mm_P0.65mmU2
1ADA4830-1footprints-4830-1:CP_8_11_ADIU20
1ADA4898-2Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.81mmU3
1ADA4940-1xCPPackage_CSP:LFCSP-16-1EP_3x3mm_P0.5mm_EP1.3x1.3mm_ThermalViasU28
1ADR4533footprints-ADR4533:R_8_ADIU21
1ADS5560IRGZRfootprints_ADS5560:RGZ48_5P15X5P15U14
1Conn_01x03TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-3-5.08_1x03_P5.08mm_HorizontalJ1
1FH12-8S-0.5SH(55)Connector_FFC-FPC:Hirose_FH12-8S-0.5SH_1x08-1MP_P0.50mm_HorizontalJ2
1LT3094xMSEPackage_SO:MSOP-12-1EP_3x4.039mm_P0.65mm_EP1.651x2.845mmU8
1LTC6373IDFM-PBFPackage_DFN_QFN:DFN-12-1EP_4x4mm_P0.5mm_EP2.66x3.38mmU12
1LTC6409IUDB-TRMPBFfootprints_LT6409:QFN-10_UDB_LITU13
1THP210DRTHP210_footprints:SOIC_210DR_TEXU19
1TMUX1109RSVRTMUX1109_footprints:RSV16_TEXU15

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Questions

How big is the Bioz KICAD Group Project PCB?

It measures 100 × 100 mm and has 4 copper layers, 1.6 mm thick.

What parts does the Bioz KICAD Group Project use?

257 parts, built around the ADA4805-2ARMZ, ADA4898-2YRD, ADCMP600BRJ and TMUX1136DQAR. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Bioz KICAD Group Project KiCad files?

From the Rxiaoudy/Bioz_KICAD_Group_Work repository on GitHub, at the commit this page was made from: the board is PCB/AFE/Bioz_KICAD_Group_Project.kicad_pcb and its schematic PCB/AFE/Bioz_KICAD_Group_Project.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Bioz KICAD Group Project design in my own project?

Its repository states no licence, so its author keeps all rights: ask Rxiaoudy before reusing the design.