EPS board
About the EPS board
EPS board is an open source PCB design by AMSAT-EA, published on GitHub. It is a 2-layer board measuring 60 × 55 mm, with 101 components from 23 distinct parts.
Other key parts include the LTC3129 and ZXCT1009. By type, the board carries 35 resistors, 33 capacitors, 11 diodes, 8 ICs, 7 connectors and 5 inductors.
It belongs with the rf & radio designs in this gallery.
From the project
EASAT-2 satellite
This is the AMSAT EA Github repository for EASAT2 satellite project.
This is mainly an open hardware and software project and it is open to students. The goal is designing and building a small FM repeater satellite, with CW beacon, in a pocketQube structure.
For more information visit our website at:
Este es el repositorio GitHub del proyecto de satélite EASAT2 de AMSAT EA. Es un proyecto abierto de hardware y software. El objetivo es diseñar y construir un pequeño satélite repetidor de FM, con una baliza morse, en una estructura del tipo pocketQube.
Main components on the EPS board
EPS board bill of materials (BOM)
101 components, 23 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 5 | LTC3129 | MSOP-16-Pitch0.5mm_LT3129 | U1, U2, U3, U4, U5 |
| 3 | ZXCT1009 | SOT-23 | U6, U7, U8 |
| 1 | BC557 | TO-92_Molded_Narrow | Q1 |
| 1 | Conn_01x11 | Pin_Header_Straight_1x11_Pitch1.27mm | J1 |
| 6 | CONN_01X02 | Pin_Header_Straight_1x02_Pitch1.27mm | P1, P2, P3, P4, P5, P6 |
| 1 | 50 | R_0603 | RLIM1 |
| 6 | 1N5819 | SMini2-F4-B-B | D1, D2, D3, D9, D10, D11 |
| 5 | 1N4001 | D_SOD-523 | D4, D5, D7, D8, D12 |
| 5 | 10u | Murata_LQH32P_footprint | L1, L2, L3, L4, L5 |
| 5 | 22u | C_1210 | C1, C2, C3, C32, C33 |
| 10 | 22n | C_0603 | C4, C5, C6, C7, C8, C9, C26, C27 +2 |
| 5 | 2.2u | C_0603 | C10, C11, C12, C24, C25 |
| 5 | 10u | C_0805 | C13, C14, C15, C22, C23 |
| 5 | 66/Ra | C_0603 | C16, C17, C18, C19, C20 |
| 3 | 1u | C_0603 | C21, C30, C31 |
| 5 | M | R_0603 | R1, R2, R3, R33, R34 |
| 5 | Rd | R_0603 | R4, R6, R8, R26, R28 |
| 5 | Rc | R_0603 | R5, R7, R9, R27, R29 |
| 5 | Ra | R_0603 | R10, R12, R14, R16, R18 |
| 5 | Rb | R_0603 | R11, R13, R15, R17, R19 |
Show 3 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 6 | 0.2 | R_1206 | R20, R21, R23, R24, R30, R31 |
| 3 | 2k | R_0603 | R22, R25, R32 |
| 1 | 1k | R_0603 | R35 |
EPS board design files
The KiCad project lives in the AMSAT-EA/easat-2 repository on GitHub; these links point at the commit this page was built from.
EPS board: common questions
How big is the EPS board?
The EPS board measures 60 × 55 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the EPS board?
101 components, from 23 distinct parts. The full bill of materials is listed on this page.
Where can I download the EPS board design files?
From the AMSAT-EA/easat-2 repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the EPS board design in my own project?
The repository has no license, so all rights stay with AMSAT-EA. Use it as a reference, and ask the author before reusing the design.
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