Some PCB Design Examples....
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4kW Class Digital Servo Amp
Dual board design. V-Score separation. Four layers with optoisolated high voltage control.
PCI 16 Ch RS232 Adapter
PCI bus host adapter with 16 nine pin RS232 serial channels. Four layers. All components on one side of PCB.
48VDC Digital Servo Amp
Two boards in single design with V-Score separation. Four layers
DDR4 plug in card
CAD 3D rendering. Four layer design with 374 pin 0.8mm pitch BGA, dual gigabit ethernet and USB ports. On board switch mode power supply,