1. 4 currents 3 currents 8 signals Motor Pump Interior Electronics (Proposed) 72 bits Differential/Summing Amps 6 Total 12-bit A/D 6 Total Transmitter 6 signals HESA Hall Effect Sensor Array 2 Total AMB Active Magnetic Bearing 2 Total 5V 12V 15V 72 bits 5 bits Wireless Signal Transmission (INT) Receiver Motor Controller PWM Amps 4 Total FPGA For Signal Processing Clock

2. Motor Control Signal PWM Control Signals (4 or 8) Miniaturization Project Control XPc Target Exterior Electronics (Proposed) Receiver Transmitter 72 bits 5 bits Wireless Signal Transmission (EXT) 6 signals FPGA For Signal Processing Clock 5 bits Requires 2 Wires 15 V Line Ground Line Benefits Eliminates all signal wires Cons 300kHz channels require data in packets Higher bit error rate

3. 4 currents 3 currents 8 signals Motor Pump Interior Electronics (Proposed) 72 bits Differential/Summing Amps 6 Total 12-bit A/D 6 Total Transmitter 6 signals HESA Hall Effect Sensor Array 2 Total AMB Active Magnetic Bearing 2 Total 5V 12V 15V Multi-Channel Single Wire Signal (INT) Receiver Motor Controller PWM Amps 4 Total OFDM Encoder OFDM Decoder s(t)

4. Motor Control Signal PWM Control Signals (4 or 8) Miniaturization Project Control XPc Target Exterior Electronics (Proposed) Receiver Transmitter 72 bits Multi-Channel Single Wire Signal (EXT) 6 signals OFDM Encoder/Decoder Clock 5 bits Requires 3 Wires 15 V Line Ground Line 1 Signal Wire Benefits Allows for wider bandwidth Decrease probability of error More control of channel s(t)

5. Cable 8 currents 3 currents 8 signals Motor Pump Interior Electronics (Proposed) HESA Hall Effect Sensor Array 2 Total AMB Active Magnetic Bearing 2 Total Wire- “Less” Proposal (INT) Clock USB Transceiver Serial A/D Converters 6 Total Motor Controller PWM Amps 4 Total Differential/Summing Amps 6 Total

6. 4 PWM Control Signals 1 Relay Signal Miniaturization Project Control XPc Target Exterior Electronics (Proposed) Serial DAC 6 Total Wire- “Less” Proposal (EXT) Clock USB Transceiver Requires 4 Wires 15 V Line Ground Line 2 Signal Wire Cable 6 position signals Benefits Wired signal more reliable than wireless Allows for high data rates Cons Requires cable