2 layers148 × 81 mm
Communicator pcb
Hack-a-Day/2025-Communicator_Badge
The 2025 Hackaday Supercon RF Communicator Badge
58 parts107MIT
8 layers280 × 322.3 mm
Atca simple loopback hub
kit-ipe/atca-simple-loopback-hub- Size
- 280 × 322.3 mm
- Copper layers
- 8
- Thickness
- 1.69 mm
- Parts
- 218
- Nets
- 595
- Pads
- 1,576
- Tracks, vias
- 4,287, 1,820
- Pours
- 34
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 4 Sep 2024
- Updated
- 27 Aug 2025
Overview
Atca simple loopback hub is an open-source printed circuit board by kit-ipe, from the kit-ipe/atca-simple-loopback-hub repository on GitHub, published under the CERN-OHL-P-2.0 licence. It is an 8-layer board of 280 × 322.3 mm with 218 parts on 595 nets, routed with 4,287 tracks and 1,820 vias.
It is built around the CCSMX1-FBM-RG178-12, 0826-1X4T-HS-F and DMG2305UX. Its parts include 107 capacitors, 40 resistors, 24 connectors, 6 fuses and 5 ICs. It belongs with the RP2040 boards of this library.
Main components
3CCSMX1-FBM-RG178-12
-- Comprehensive Electronic ROHSCrystek CorporationCoaxial Cables (RF)0826-1X4T-HS-F
插件-40℃~+100℃ 4 Copper alloy Gold Shielded With LED 插件 Ethernet Connectors / Modular Connectors (RJ45 RJ11) ROHSBel FuseEthernet Connectors / Modular Connectors (RJ45 RJ11)
DMG2305UX
SOT-23-55℃~+150℃ 1 P-Channel 1.7W 190pF 1V 20V 4.1A 52mΩ@4.5V 7.8nC 740pF P-Channel SOT-23 MOSFETs ROHSTECH PUBLICMOSFETs
Parts
218| Qty | Value | Footprint | References |
|---|---|---|---|
| 75 | 0.1uF | Capacitor_SMD:C_0402_1005Metric | C1, C2, C10, C11, C12, C17, C18, C19, C20, C21, C22, C23, C100, C104, C105, C106 +59 |
| 20 | 4.7k | Resistor_SMD:R_0402_1005Metric | R1, R2, R3, R10, R17, R18, R19, R22, R23, R28, R29, R30, R31, R32, R33, R34 +4 |
| 11 | 1uF | Capacitor_SMD:C_0402_1005Metric | C13, C14, C15, C16, C32, C33, C34, C35, C63, C101, C103 |
| 10 | 50 | Resistor_SMD:R_0402_1005Metric | R13, R14, R15, R16, R24, R25, R26, R27, R36, R38 |
| 10 | Conn_Coaxial | Connector_Coaxial:MMCX_Molex_73415-1471_Vertical | J4, J5, J8, J9, J10, J11, J12, J13, J15, J17 |
| 10 | FerriteBead | Inductor_SMD:L_0603_1608Metric | FB1, FB2, FB3, FB4, FB5, FB6, FB7, FB8, FB9, FB10 |
| 6 | Fiducial | Fiducial:Fiducial_1mm_Mask2mm | FID1, FID2, FID3, FID4, FID5, FID6 |
| 5 | MountingHole | project:NPTH_2.7_7_Keepout | H3, H4, H5, H6, H7 |
| 5 | SMA_Cable_Drawing | project:SMA_Cable_Drawing | 2nd_Stage_CLK_OUT, HQ_LHC_CLK_IN, LHC_CLK_IN, LVDS_RX, LVDS_TX |
| 4 | 100uF | Capacitor_SMD:CP_Elec_18x22 | C79, C80, C81, C107 |
| 4 | 10uF | Capacitor_SMD:C_0603_1608Metric | C56, C64, C65, C102 |
| 4 | 15A | project:SM2410 | F2, F3, F5, F6 |
| 4 | 2.2uF | Capacitor_SMD:C_1206_3216Metric | C57, C58, C59, C60 |
| 4 | 20nF | Capacitor_SMD:C_0805_2012Metric | C61, C62, C77, C78 |
| 4 | 22uF | Capacitor_SMD:C_0805_2012Metric | C49, C51, C82, C84 |
| 2 | 0 | Resistor_SMD:R_0402_1005Metric | R20, R21 |
| 2 | 0826-1X4T-HS-F | project:BEL_0826-1X4T-HS-F | J1, J2 |
| 2 | 10M 2kV | Resistor_SMD:R_2010_5025Metric | R11, R12 |
| 2 | 15 | Resistor_SMD:R_2512_6332Metric | R41, R42 |
| 2 | 1A | project:SM2410 | F1, F4 |
| 2 | CX3225SB | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm | X1, X2 |
| 2 | Key_K1_K2_TE_1-1469373-1 | project:Key_K1_K2_TE_1-1469373-1 | K1, K2 |
| 2 | SFP+ | project:TE_1888247-1 | J6, J7 |
| 2 | Si5395 | Package_DFN_QFN:QFN-64-1EP_9x9mm_P0.5mm_EP5.2x5.2mm | U1, U2 |
| 1 | 10k | Resistor_SMD:R_0805_2012Metric | R35 |
| 1 | 10k | Resistor_SMD:R_0603_1608Metric | R37 |
| 1 | 1766500-1 | project:TE_1766500-1 | P10 |
| 1 | 1nF | Capacitor_SMD:C_0402_1005Metric | C50 |
| 1 | 2k2 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R7 |
| 1 | 4k7 | Resistor_SMD:R_0402_1005Metric | R8 |
| 1 | 81-088-1 | project:81-301-00 | H1 |
| 1 | ADM7172 | Package_CSP:LFCSP-8-1EP_3x3mm_P0.5mm_EP1.45x1.74mm | U5 |
| 1 | Conn_01x02_Pin | Connector_Wago:Wago_734-132_1x02_P3.50mm_Vertical | J18 |
| 1 | Conn_01x03_Male | project:Molex_53046-0310 | J14 |
| 1 | DMG2305UX | Package_TO_SOT_SMD:TSOT-23 | Q5 |
| 1 | ESD_strip_bottom | project:ESD_Strip | J3 |
| 1 | FrontPanel | project:FrontPanel | A1 |
| 1 | Handle | project:81-300-00 | H2 |
| 1 | KIT_LOGO | project:KIT_LOGO_Mask | G1 |
| 1 | Net-Tie_2 | NetTie:NetTie-2_SMD_Pad0.5mm | NT1 |
| 1 | PIM400KZ | project:PIM400KZ | U4 |
| 1 | Pico | project:RPi_Pico_SMD_TH | U3 |
| 1 | TE 2007262-1 | project:TE_2007263-1 | J16 |
| 1 | TE_64690XX-1_J20 | project:TE_6469001-1 | J20 |
| 1 | TE_64690XX-1_J21 | project:TE_6469001-1 | J21 |
| 1 | TE_64690XX-1_J22 | project:TE_6469001-1 | J22 |
| 1 | TE_64690XX-1_J23 | project:TE_6469001-1 | J23 |
| 1 | TE_64690XX-1_J24 | project:TE_6469001-1 | J24 |
Questions
How big is the Atca simple loopback hub PCB?
It measures 280 × 322.3 mm and has 8 copper layers, 1.69 mm thick.
What parts does the Atca simple loopback hub use?
218 parts, built around the CCSMX1-FBM-RG178-12, 0826-1X4T-HS-F and DMG2305UX. 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 Atca simple loopback hub KiCad files?
From the kit-ipe/atca-simple-loopback-hub repository on GitHub, at the commit this page was made from: the board is atca-simple-loopback-hub.kicad_pcb and its schematic atca-simple-loopback-hub.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Atca simple loopback hub design in my own project?
Its repository publishes it under the CERN-OHL-P-2.0 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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