Joe Trefilek Jeff Kubascik Paul Scheffler Matt Rockey Team RAPTORS Joe Trefilek Jeff Kubascik Paul Scheffler Matt Rockey

Sensor Board Preliminary Layout 1/1/2019 Team RAPTORS

Microcontroller Layout Considerations Location of Bypass Caps below Microcontroller Due to Reprogrammable pins we can arrange SPI and UART ports as are convenient to the layout Oscillator needs be in close proximity to the Microcontroller to minimize parasitics 1/1/2019 Team RAPTORS

Power Supply Layout Considerations 3 Different Voltages on the same board Isolation of RF grounds from Digital Grounds Space Limitations Air flows through the fuselage which provides airflow and increases cooling 1/1/2019 Team RAPTORS

RF Transmission Layout Considerations Must maintain a 50 Ohm impedance trace using a coplanar waveguide to match that of the antenna and avoid reflection Must create a ground plane below the RF section Shielding trace around RF section to keep noise levels on the board lower 1/1/2019 Team RAPTORS