Dear Professor,
What kind of schematics you want to build ?
Let me help you implement it.
I have designed various kind of electronic since 2012 for various application from Hobbyst, Robotic, Industrial, IoT, and Military Aerospace.
I always follow design guide when it comes to critical application like RF, SMPS,high speed digital design , mixed analog-digital signal, etc.
Let's discuss the detail over chat. And let me help you.
Best Regards,
Rijal