Internet was supposed to bring knowledge to masses, not a deception stage to @$$e$! 
At least let’s take the opportunity to understand how a real electronic generator should work.
I use ALTIUM to design schematic and PCB, here’s 30% discount on the license:
https://electroboom.com/Altium (affiliate link)

Check my tee-shirts at: http://teespring.com/stores/electroboom
It would be pretty awesome if you support ElectroBOOM at Patreon:  
http://patreon.com/electroboom
Like to get the same Scope as mine from Amazon: http://amzn.to/2hFjqNI

Read other articles at: http://www.electroboom.com 
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Check and sub to Keysight Oscilloscopes channel for great information on electronics and scopes: https://www.youtube.com/user/KeysightOscilloscope

And special thanks to my sponsors and patrons:  
http://www.electroboom.com/?page_id=727

Below are my Super Patrons with support to the extreme!

Aki K. at http://www.pc-doctor.com/
James Y. at http://vsee.com/
C.R. Parent

By: Mehdi Sadaghdar