{"action":"created","issue":{"url":"https://api.github.com/repos/Qucs/qucs/issues/551","repository_url":"https://api.github.com/repos/Qucs/qucs","labels_url":"https://api.github.com/repos/Qucs/qucs/issues/551/labels{/name}","comments_url":"https://api.github.com/repos/Qucs/qucs/issues/551/comments","events_url":"https://api.github.com/repos/Qucs/qucs/issues/551/events","html_url":"https://github.com/Qucs/qucs/issues/551","id":168251057,"number":551,"title":"Simple DC sweep from tutorial creates strange plots.","user":{"login":"JohnCC330","id":3728987,"avatar_url":"https://avatars.githubusercontent.com/u/3728987?v=3","gravatar_id":"","url":"https://api.github.com/users/JohnCC330","html_url":"https://github.com/JohnCC330","followers_url":"https://api.github.com/users/JohnCC330/followers","following_url":"https://api.github.com/users/JohnCC330/following{/other_user}","gists_url":"https://api.github.com/users/JohnCC330/gists{/gist_id}","starred_url":"https://api.github.com/users/JohnCC330/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/JohnCC330/subscriptions","organizations_url":"https://api.github.com/users/JohnCC330/orgs","repos_url":"https://api.github.com/users/JohnCC330/repos","events_url":"https://api.github.com/users/JohnCC330/events{/privacy}","received_events_url":"https://api.github.com/users/JohnCC330/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":1,"created_at":"2016-07-29T05:01:06Z","updated_at":"2016-07-30T13:34:26Z","closed_at":null,"body":"I'm a new user to QUCS, and after the simple voltage divider, I hit the wall with the second tutorial (DC sweep of transistor parameters). I tried to enter the components as in the tutorial, but get strange results, as can be seen in the screenshot attached (also attached the circuit file, and a screenshot of same).\r\nI find the plots rather intriguing - No idea where those pulses come from!\r\n(My apologies for posting this as an issue, I couldn't find how to do attachments on Sourceforge)\r\n\r\nBTW, this is QUCS 0.0.18 on Linux. I get *loads* of warnings in the log, but from googling them I suspect they don't indicate problems (added the zipped log too).\r\n\r\n![screenshot_2016-07-29_00-47-41](https://cloud.githubusercontent.com/assets/3728987/17237878/e1420a5e-552c-11e6-9102-576f220c31cb.png)\r\n![screenshot_2016-07-29_02-05-48](https://cloud.githubusercontent.com/assets/3728987/17238321/1bfe1f30-5531-11e6-8fee-2fedf2871015.png)\r\n[transistor_dc.sch.gz](https://github.com/Qucs/qucs/files/389881/transistor_dc.sch.gz)\r\n[log.txt.gz](https://github.com/Qucs/qucs/files/389909/log.txt.gz)\r\n\r\n\r\n\r\n\r\n\r\n"},"comment":{"url":"https://api.github.com/repos/Qucs/qucs/issues/comments/236365538","html_url":"https://github.com/Qucs/qucs/issues/551#issuecomment-236365538","issue_url":"https://api.github.com/repos/Qucs/qucs/issues/551","id":236365538,"user":{"login":"JohnCC330","id":3728987,"avatar_url":"https://avatars.githubusercontent.com/u/3728987?v=3","gravatar_id":"","url":"https://api.github.com/users/JohnCC330","html_url":"https://github.com/JohnCC330","followers_url":"https://api.github.com/users/JohnCC330/followers","following_url":"https://api.github.com/users/JohnCC330/following{/other_user}","gists_url":"https://api.github.com/users/JohnCC330/gists{/gist_id}","starred_url":"https://api.github.com/users/JohnCC330/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/JohnCC330/subscriptions","organizations_url":"https://api.github.com/users/JohnCC330/orgs","repos_url":"https://api.github.com/users/JohnCC330/repos","events_url":"https://api.github.com/users/JohnCC330/events{/privacy}","received_events_url":"https://api.github.com/users/JohnCC330/received_events","type":"User","site_admin":false},"created_at":"2016-07-30T13:34:26Z","updated_at":"2016-07-30T13:34:26Z","body":"Ok... Not my best moment - Ground was missing. Still strange these signals appeared, isn't it?"}}
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