# Simulations

The target impedance of the VPP is calculated as 3.3 Ω, based on the values (see Power Supply):

• VSUPPLY = 3.3 V
• Itrans = 50 mA
• Ripple = 5%

The simulation result (as shown in the following figure) shows that it meets the required impedance levels.

Figure 1. Impedance Profile of VPP Plane Over Frequency Range