Digital Signal Processing Circuit Schematic

I have a project that calls for a digital-only signal-processing circuit of moderate complexity. I already know the functional blocks I need, but I’m looking for a clean, production-ready schematic that I can move straight into PCB layout and prototyping... (Budget: ₹600 - ₹1500 INR, Jobs: Circuit Design, Digital Signal Processing, Electrical Engineering, Electronics, Embedded Systems, PCB Layout, Prototyping, Simulation)