User talk:2409:4064:511:4BFF:480F:7F06:46C4:19A4

January 2019
Please refrain from making unconstructive edits to Wikipedia, as you did at Negative impedance converter. Your edits appear to constitute vandalism and have been reverted. If you would like to experiment, please use the sandbox. Repeated vandalism may result in the loss of editing privileges. Thank you. SpinningSpark 11:14, 30 January 2019 (UTC)