{"id":21590948,"url":"https://github.com/spaceteam/sts1_gs_trx_switch","last_synced_at":"2026-01-04T14:03:11.154Z","repository":{"id":198699964,"uuid":"701351343","full_name":"SpaceTeam/STS1_GS_TRX_Switch","owner":"SpaceTeam","description":"Simple PCB for transmit/receive switching for our groundstation","archived":false,"fork":false,"pushed_at":"2023-10-06T13:26:33.000Z","size":6105,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":5,"default_branch":"master","last_synced_at":"2025-01-24T16:28:19.550Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":null,"language":null,"has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/SpaceTeam.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null}},"created_at":"2023-10-06T13:09:17.000Z","updated_at":"2023-10-06T13:09:17.000Z","dependencies_parsed_at":null,"dependency_job_id":"9b098b9c-af22-4bf3-aa86-2740301c5fc7","html_url":"https://github.com/SpaceTeam/STS1_GS_TRX_Switch","commit_stats":null,"previous_names":["spaceteam/sts1_gs_trx_switch"],"tags_count":1,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/SpaceTeam%2FSTS1_GS_TRX_Switch","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/SpaceTeam%2FSTS1_GS_TRX_Switch/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/SpaceTeam%2FSTS1_GS_TRX_Switch/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/SpaceTeam%2FSTS1_GS_TRX_Switch/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/SpaceTeam","download_url":"https://codeload.github.com/SpaceTeam/STS1_GS_TRX_Switch/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":244198406,"owners_count":20414443,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2024-11-24T16:21:17.338Z","updated_at":"2026-01-04T14:03:11.149Z","avatar_url":"https://github.com/SpaceTeam.png","language":null,"funding_links":[],"categories":[],"sub_categories":[],"readme":"# Ground Station TRX Switch\n\nThis boards provides sequencing and switching for transmit and receive path of a satellite groundstation based on two galvanically isolated inputs.  \nIt features an on-board LNA with filter and pre and post filtering for an external power amplifier.  \nIt also provides ~30V switched for the PA derived from one common 48V supply.\n\nIt is controlled by an Arduino Nano which is used for timing.\nIt features two high-side MOSFET outputs for enabling a PA and LNA and three coaxial relays for RX/TX switching and antenna grounding (when neither RX nor TX is enabled).\n\nThe design was built for around 435MHz but probably is easy to adapt to different frequencies up to 3GHz.\n\n![v2.0 Front side 3D render](images/v2.0_front.png)\n![v2.0 Back side 3D render](images/v2.0_back.png)\n\n## Ordering\n\nThe RF design is built for the \"standard\" 1.6mm thick JLCPCB 4-layer stackup consisting of the following layers:\n- 35µm Outer copper\n- 210.4µm Prepreg (7628, RC 49%, 8.6mil)\n- 15.2µm Inner copper\n- 1.065mm Core\n- 15.2µm Inner copper\n- 210.4µm Prepreg (7628, RC 49%, 8.6mil)\n- 35µm Outer copper\n\nFor finish please choose ENIG.\n\n## License\nAll files in this repository are licensed under the MIT license EXCEPT for the files in the `/3d` directory.\n\n- Arduino Nano: By Andrew Whitham (https://grabcad.com/library/arduino-nano--1), noncommercial public use allowed (https://help.grabcad.com/article/246-how-can-models-be-used-and-shared?locale=en)\n- TE HF3-53: Copyright TE Connectivity (https://www.te.com/usa-en/product-1462051-2.html)\n- Molex 73251-2120: Copyright Molex LLC (https://www.molex.com/en-us/products/part-detail/0732512120)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fspaceteam%2Fsts1_gs_trx_switch","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fspaceteam%2Fsts1_gs_trx_switch","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fspaceteam%2Fsts1_gs_trx_switch/lists"}