The collection of circuits grouped by the main directions of modern radio electronics is designed to familiarize beginners and trained radio amateurs with the basics of creating assemblies and analogues of elements of radio electronic devices. The collection includes over 450 simple circuits available for self-repetition from the minimum set of common radio components. About 40% of the presented schemes were developed by the author of the collection. The collection will be useful for both beginners and trained radio amateurs, as well as specialists in the field of radio electronics.