PCB Design for Analog low noise circuit

Job ID: 30904194

Budget: $30 – $250 USD

PCB needs to be designed for a multi-channel data acquisition system which needs to have very low noise. Schematic consists of majorly 4 portions - power supply, signal conditioning, ADC, and microcontroller.
We would prefer to hire a person who can give us suggestions on improvements possible in the Schematic Design.