If you would like to play around with a circuit simulation tool here is a freeware tool by LinearTechnology to start with.
You may download the program from here.
It is easy to work with. Just enter your schematic, select the simulation type and see what signals you get on the different nodes. The following screen shots show some of the menues and a simulation of a colpitts oscillator.



Sombra na Alma (also known by its short film title Sombre na Alma) is a 2015 Brazilian drama short film directed and written by Costa Rebelo. It has gained a following on social video platforms like OK.ru (Odnoklassniki), where international viewers often share rare or indie titles. Plot Overview and Themes
Important note: While the film is available on Ok.ru, its copyright status is ambiguous. The producers have not authorized a free upload. However, due to the film’s obscurity and the fact that no legal digital purchase option exists, many fans consider watching it on Ok.ru a form of "abandonware" cinema. sombra na alma 2015 ok.ru
Plot: A wordless, atmospheric pursuit through a city where a man’s pursuit of a woman triggers surreal, internal visions. Panorama Portugais - Cinécran Sombra na Alma (also known by its short
Sandra Seixas. Actress: Com Uma Sombra na Alma. Sandra Seixas is known for Com Uma Sombra na Alma (2004). Próximas Sessões - Caminhos do Cinema Português The producers have not authorized a free upload