4 layers90.2 × 95.9 mm
Mcu integration
kaitallaoua/capstone-pcb
In collaboration with the University of Saskatchewan, we are contributing a payload board for the CubeSats Initiative in Canada for STEM (CUBICS).
110 parts1GPL-3.0
4 layers70 × 70 mm
Mcu integration
SkCubeSat/Analog-mini- Size
- 70 × 70 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 81
- Nets
- 100
- Pads
- 302
- Tracks, vias
- 419, 211
- Pours
- 8
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 23 Mar 2025
- Updated
- 28 Oct 2026
Overview
Mcu integration is an open-source printed circuit board by SkCubeSat, from the SkCubeSat/Analog-mini repository on GitHub, published under the GPL-3.0 licence. It is a 4-layer board of 70 × 70 mm with 81 parts on 100 nets, routed with 419 tracks and 211 vias.
It is built around the STM32F103RBT6, AD844JRZ-16-REEL7 and TL081IDT, with the DM3BT-DSF-PEJS, FOD814SD and LTC4300A-1IMS8#PBF among its other parts. Its parts include 34 capacitors, 19 resistors, 9 ICs, 7 connectors and 1 diode. It belongs with the STM32 boards of this library.
Main components
12
STM32F103RBT6
LQFP-64(10x10)-40℃~+85℃ 128KB 12bit 20KB 2V~3.6V 32 Bit 51 72MHz ARM Cortex-M3 Built-in FLASH LQFP-64(10x10) Microcontrollers (MCU/MPU/SOC) ROHSSTMicroelectronicsMicrocontrollers (MCU/MPU/SOC)
AD844JRZ-16-REEL7
SOIC-16-300mil-18V~-4.5V、4.5V~18V 0℃~+70℃ 1uV/℃ 200nA 2V/ns 2nV/√Hz@1kHz 300uV 36V 6.5mA 60MHz 80mA SOIC-16-300mil Operational Amplifier ROHSAnalog DevicesLow Noise Amplifiers (LNA) - RF
TL081IDT
SOIC-816V/us 2.5mA 20nA 3mV 4MHz 5uV/℃ 86dB Short-Circuit Protection、Built-in compensation、Latch-up suppression SOIC-8 FET Input Amplifiers ROHSSTMicroelectronicsFET Input Amplifiers
DM3BT-DSF-PEJS
SMD-25℃~+85℃ 1.83mm Connector and Ejector MicroSD Card (TF Card) No Push-Push SMD SD Card / Memory Card Connector ROHSHirose ElectricSD Card / Memory Card Connector
FOD814SD
SMD-4P-55℃~+105℃ 1.2V 100mV@1mA,20mA 20% 200mW 300% 3us 4us@2mA,100Ω 50mA 50mA 5kV 70V AC,DC Phototransistor SMD-4P Transistor, Photovoltaic Output Optoisolators ROHSonsemiTransistor, Photovoltaic Output Optoisolators
LTC4300A-1IMS8#PBF
MSOP-8-40℃~+85℃ 10pF 2 2-Wire Bus 2-Wire Bus 2.7V~5.5V Buffer、Accelerator MSOP-8 Signal Buffers, Repeaters, Splitters ROHSAnalog DevicesSignal Buffers, Repeaters, SplittersREF192GSZ
SOIC-8-40℃~+85℃@(Ta) 2.5V 25ppm/℃ 25uVp-p 30mA 3V~15V 45uA Fixed Series ±0.4% SOIC-8 Voltage Reference ROHSAnalog DevicesVoltage Reference
TPS79933QDDCRQ1
SOT-23-5-40℃~+125℃@(Tj) 1 175mV@(200mA) 200mA 29.5uVrms 3.3V 40uA 6.5V 66dB@(1kHz) Fixed Over Current Protection、Over Temperature Protection、Enable Positive SOT-23-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSTexas InstrumentsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
0402ZD105KAT2A
040210V 1uF X5R ±10% 0402 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHSKyocera AVXMultilayer Ceramic Capacitors MLCC - SMD/SMT
CRCW04022K20FKTD
0402-55℃~+155℃ 2.2kΩ 62.5mW Thick Film Resistor ±1% ±100ppm/℃ 0402 Chip Resistor - Surface MountVishay IntertechnologyChip Resistor - Surface MountCRCW0402100KFKTDBC
04020402 New Arrivals ROHSVishay IntertechnologyUncategorisedCRCW0402820RFKEDC
0402-55℃~+155℃ 63mW 820Ω Thick Film Resistor ±1% ±100ppm/℃ 0402 Chip Resistor - Surface Mount ROHSVishay IntertechnologyChip Resistor - Surface Mount
Parts
81| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | 100n | Capacitor_SMD:C_0402_1005Metric | C1, C2, C3, C4, C6, C9, C20, C27 |
| 5 | 10K | Resistor_SMD:R_0402_1005Metric | R3, R4, R10, R11, R12 |
| 4 | 0.47u | Capacitor_SMD:C_0402_1005Metric | C14, C15, C16, C17 |
| 4 | 3.3K | Resistor_SMD:R_0402_1005Metric | R5, R6, R7, R8 |
| 4 | MountingHole_Pad | capstone:MountingHole_3.18mm_6.35mm_Pad | MH1, MH2, MH3, MH4 |
| 3 | 0.01u | Capacitor_SMD:C_0402_1005Metric | C23, C26, C43 |
| 3 | 0.1u | capstone:CAPC220145_88N_KEM-0.1u | C28, C32, C44 |
| 3 | 10u | Capacitor_SMD:C_0805_2012Metric | C12, C13, C22 |
| 3 | 1u | Capacitor_SMD:C_0402_1005Metric | C7, C8, C33 |
| 2 | 0.22u | capstone:C0805-0.22u | C29, C30 |
| 2 | 100 | Resistor_SMD:R_0402_1005Metric | R26, R27 |
| 2 | 1751251 | Screw Terminal 1x3:CONN_1751251_PXC | J6, J7 |
| 2 | 1751264 | Screw Terminal 1x4:CONN_1751264_PXC | J3, J4 |
| 2 | 2.2k | Resistor_SMD:R_0402_1005Metric | R1, R2 |
| 2 | LOGO | LOGO | G***, G*** |
| 1 | 0.1u | Capacitor_SMD:C_0805_2012Metric | C18 |
| 1 | 0.1u | Capacitor_SMD:C_0402_1005Metric | C50 |
| 1 | 0.22n | Capacitor_SMD:C_0402_1005Metric | C21 |
| 1 | 100k | Resistor_SMD:R_0402_1005Metric | R22 |
| 1 | 10n | Capacitor_SMD:C_0402_1005Metric | C19 |
| 1 | 10u | Capacitor_SMD:C_0603_1608Metric | C5 |
| 1 | 1K | Resistor_SMD:R_0402_1005Metric | R9 |
| 1 | 1k | Resistor_SMD:R_0402_1005Metric | R25 |
| 1 | 1u | capstone:C0805-1u | C31 |
| 1 | 2.2u | Capacitor_SMD:C_0402_1005Metric | C25 |
| 1 | 4.7u | Capacitor_SMD:C_0402_1005Metric | C47 |
| 1 | 47 | Resistor_SMD:R_0402_1005Metric | R24 |
| 1 | 56k | Resistor_SMD:R_0402_1005Metric | R32 |
| 1 | 820 | Resistor_SMD:R_0402_1005Metric | R23 |
| 1 | AD844_OPAMP_AL | capstone:SOIC127P1032X265-16N-AD844 | IC6 |
| 1 | AD844_SHIELD | capstone:AD844 Shield | SH3 |
| 1 | Conn_01x03 | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J2 |
| 1 | Conn_01x05 | Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical | J1 |
| 1 | DM3BT-DSF-PEJS | capstone:DM3BT_DSF_PEJS | J5 |
| 1 | FOD814_OPTO_AL | capstone:SOP254P1016X385-4N-FOD | IC7 |
| 1 | FOD814_SHIELD | capstone:FOD814 Shield | SH1 |
| 1 | FerriteBead | Inductor_SMD:L_0603_1608Metric | FB1 |
| 1 | LMT87DCKT | SamacSys_Parts:SOT65P210X110-5N | IC3 |
| 1 | LTC4300A-1IMS8_PBF | capstone:LTC4300A-1IMS8_PBF | U2 |
| 1 | RED | LED_SMD:LED_0603_1608Metric | D1 |
| 1 | REF192_AL | capstone:R_8_ADI-REF | U3 |
| 1 | REF192_SHIELD | capstone:REF192 Shield | SH2 |
| 1 | RST_SW | capstone:95C04A3GWRT | S1 |
| 1 | STM32F103RBTx | Package_QFP:LQFP-64_10x10mm_P0.5mm | U1 |
| 1 | TL081IDT | capstone:SOIC127P600X175-8N | IC2 |
| 1 | TL7660IDGKR | capstone:SOP65P490X110-8N-actual | IC1 |
| 1 | TPS79933QDDCRQ1 | TPS79933QDDCRQ1 (1):SOT95P280X110-5N | U4 |
Questions
How big is the Mcu integration PCB?
It measures 70 × 70 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Mcu integration use?
81 parts, built around the STM32F103RBT6, AD844JRZ-16-REEL7, TL081IDT and DM3BT-DSF-PEJS. 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 Mcu integration KiCad files?
From the SkCubeSat/Analog-mini repository on GitHub, at the commit this page was made from: the board is pcb/mcu_integration.kicad_pcb and its schematic pcb/Evan_-5V_and_signal_gen.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Mcu integration design in my own project?
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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