{"action":"closed","issue":{"url":"https://api.github.com/repos/SFUSatClub/CubeSat-Radio/issues/52","repository_url":"https://api.github.com/repos/SFUSatClub/CubeSat-Radio","labels_url":"https://api.github.com/repos/SFUSatClub/CubeSat-Radio/issues/52/labels{/name}","comments_url":"https://api.github.com/repos/SFUSatClub/CubeSat-Radio/issues/52/comments","events_url":"https://api.github.com/repos/SFUSatClub/CubeSat-Radio/issues/52/events","html_url":"https://github.com/SFUSatClub/CubeSat-Radio/issues/52","id":316925625,"number":52,"title":"Impedance Controlled Trace Clearance","user":{"login":"TobiNakamura","id":10017555,"avatar_url":"https://avatars1.githubusercontent.com/u/10017555?v=4","gravatar_id":"","url":"https://api.github.com/users/TobiNakamura","html_url":"https://github.com/TobiNakamura","followers_url":"https://api.github.com/users/TobiNakamura/followers","following_url":"https://api.github.com/users/TobiNakamura/following{/other_user}","gists_url":"https://api.github.com/users/TobiNakamura/gists{/gist_id}","starred_url":"https://api.github.com/users/TobiNakamura/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/TobiNakamura/subscriptions","organizations_url":"https://api.github.com/users/TobiNakamura/orgs","repos_url":"https://api.github.com/users/TobiNakamura/repos","events_url":"https://api.github.com/users/TobiNakamura/events{/privacy}","received_events_url":"https://api.github.com/users/TobiNakamura/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":{"login":"TobiNakamura","id":10017555,"avatar_url":"https://avatars1.githubusercontent.com/u/10017555?v=4","gravatar_id":"","url":"https://api.github.com/users/TobiNakamura","html_url":"https://github.com/TobiNakamura","followers_url":"https://api.github.com/users/TobiNakamura/followers","following_url":"https://api.github.com/users/TobiNakamura/following{/other_user}","gists_url":"https://api.github.com/users/TobiNakamura/gists{/gist_id}","starred_url":"https://api.github.com/users/TobiNakamura/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/TobiNakamura/subscriptions","organizations_url":"https://api.github.com/users/TobiNakamura/orgs","repos_url":"https://api.github.com/users/TobiNakamura/repos","events_url":"https://api.github.com/users/TobiNakamura/events{/privacy}","received_events_url":"https://api.github.com/users/TobiNakamura/received_events","type":"User","site_admin":false},"assignees":[{"login":"TobiNakamura","id":10017555,"avatar_url":"https://avatars1.githubusercontent.com/u/10017555?v=4","gravatar_id":"","url":"https://api.github.com/users/TobiNakamura","html_url":"https://github.com/TobiNakamura","followers_url":"https://api.github.com/users/TobiNakamura/followers","following_url":"https://api.github.com/users/TobiNakamura/following{/other_user}","gists_url":"https://api.github.com/users/TobiNakamura/gists{/gist_id}","starred_url":"https://api.github.com/users/TobiNakamura/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/TobiNakamura/subscriptions","organizations_url":"https://api.github.com/users/TobiNakamura/orgs","repos_url":"https://api.github.com/users/TobiNakamura/repos","events_url":"https://api.github.com/users/TobiNakamura/events{/privacy}","received_events_url":"https://api.github.com/users/TobiNakamura/received_events","type":"User","site_admin":false},{"login":"Alenux55","id":24886818,"avatar_url":"https://avatars1.githubusercontent.com/u/24886818?v=4","gravatar_id":"","url":"https://api.github.com/users/Alenux55","html_url":"https://github.com/Alenux55","followers_url":"https://api.github.com/users/Alenux55/followers","following_url":"https://api.github.com/users/Alenux55/following{/other_user}","gists_url":"https://api.github.com/users/Alenux55/gists{/gist_id}","starred_url":"https://api.github.com/users/Alenux55/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Alenux55/subscriptions","organizations_url":"https://api.github.com/users/Alenux55/orgs","repos_url":"https://api.github.com/users/Alenux55/repos","events_url":"https://api.github.com/users/Alenux55/events{/privacy}","received_events_url":"https://api.github.com/users/Alenux55/received_events","type":"User","site_admin":false}],"milestone":null,"comments":1,"created_at":"2018-04-23T18:18:52Z","updated_at":"2018-04-27T05:36:20Z","closed_at":"2018-04-27T05:36:20Z","author_association":"OWNER","body":"Current microstrip geometry: 0.2mm space, 0.336mm width\r\n![image](https://user-images.githubusercontent.com/10017555/39145053-7246dedc-46e7-11e8-8a32-786e6066f1cc.png)\r\n\r\nThe space to ground should be 0.3mm according to the calculation. However, a 0.3mm clearance cannot be assigned to either the RF net class or the ground pour due to small SMD pitch. \r\n![image](https://user-images.githubusercontent.com/10017555/39145162-c25fe738-46e7-11e8-9780-fd7160cc35f6.png)\r\n\r\nWe can either:\r\n1. Create a large no fill zone around the RF net class and use the microstrip instead of a coplanar wave guide.\r\n2. Maintain 0.2mm clearance and modify trace width to 0.315313mm\r\n![image](https://user-images.githubusercontent.com/10017555/39145276-166d4a14-46e8-11e8-893f-8cebbfb35a47.png)\r\n"}}
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