ESI +Z End Card
About the ESI +Z End Card PCB
ESI +Z End Card is an open source PCB design by oresat, published on GitHub. It is a 4-layer board measuring 99.8 × 94.6 mm, with 50 components from 17 distinct parts.
Other key parts include the MAX7310ATE+, MIC842LYC5-TR and TS5A21366DCUR. By type, the board carries 22 resistors, 10 capacitors, 7 ICs, 7 connectors and 1 transistor.
From the project
Repo for the OreSat +/-Z end cards (Card #1 and #20)
The +Z End Card fits in the very "top" slot (Slot #1) in the OreSat backaplane. It's special because it hosts whatever antenna is on the +Z face, and also interfaces with the solar modules on the +Z "U" of the CubeSat. The +Z End Card:
- Connects to the backplane with a main connector and two RF SMPM connectors - Connects four +Z solar modules to the backplane - Mounts and matches to the S band helical antenna - Routes an SMPM connector to a U.FL connector to jump up to the +Z End Cap's S band patch antenna - Has an OPD circuit to control: - Deploying the helical antenna - Switching C3-UART…
Main components on the ESI +Z End Card
ESI +Z End Card bill of materials (BOM)
50 components, 17 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MAX7310ATE+ MAX7310 Analog Devices | QFN-16-1EP_4x4mm_P0.65mm_EP2.1x2.1mm | U2 |
| 2 | MIC842LYC5-TR MIC842LYC5 | SOT-353_SC-70-5 | U11, U12 |
| 4 | TS5A21366DCUR TS5A21366 Texas Instruments | VSSOP-8_2.3x2mm_P0.5mm | U201, U202, U203, U204 |
| 1 | DMP2240UDM-7 Diodes Inc | SOT-23-6 | Q1 |
| 1 | TFM-120-01-L-D-RA J-SAMTEC-TFM-120-01-L-D-RA Samtec Inc. | J-SAMTEC-TFM-120-X1-XXX-D-RA | J1 |
| 4 | M55-7101242R Harwin | J-Harwin-M55-7101242R | J2, J3, J4, J5 |
| 2 | U.FL-R-SMT-1(10) U.FL-R-SMT-1 Hirose | U.FL_Hirose_U.FL-R-SMT-1_Vertical | J6, J7 |
| 1 | M55-6001242R Harwin | J-Harwin-M55-60X1242R | CF1 |
| 2 | 2477330-1 TE Connectivity Linx | J-MOLEX-SMPM-073300-002X | CM1, CM2 |
| 7 | C0603C104K5RACAUTO 100n KEMET | 0603-C-NOSILK | C3, C4, C10, C201, C202, C203, C204 |
| 3 | GRT188R71E105KE13D 1u Murata Electronics | 0603-C-NOSILK | C5, C22, C23 |
| 1 | RMCF0603FT10R0 10 Stackpole Electronics Inc | 0603-C-NOSILK | R24 |
| 14 | RMCF0603FT100R 100 Stackpole Electronics Inc | 0603-C-NOSILK | R39, R40, R45, R46, R52, R53, R54, R55 +6 |
| 1 | RMCF0603FT10K0 10k Stackpole Electronics Inc | 0603-C-NOSILK | R61 |
| 2 | RMCF0603FT665K 665k Stackpole Electronics Inc | 0603-C-NOSILK | R77, R81 |
| 2 | RMCF0603FT330K 330k Stackpole Electronics Inc | 0603-C-NOSILK | R78, R82 |
| 2 | RMCF0603FT1M00 1M Stackpole Electronics Inc | 0603-C-NOSILK | R79, R83 |
ESI +Z End Card design files
The KiCad project lives in the oresat/oresat-end-cards repository on GitHub; these links point at the commit this page was built from.
ESI +Z End Card: common questions
How big is the ESI +Z End Card PCB?
The ESI +Z End Card measures 99.8 × 94.6 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the ESI +Z End Card?
50 components, from 17 distinct parts. The full bill of materials is listed on this page.
Where can I download the ESI +Z End Card design files?
From the oresat/oresat-end-cards repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the ESI +Z End Card design in my own project?
The repository has no license, so all rights stay with oresat. Use it as a reference, and ask the author before reusing the design.
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