Thursday, May 30, 2019
Clearance Holes for Metric Fasteners
When designing a PCB board, it is important to determine the necessary clearance for screw holes. The table below shows the general screw sizes and the corresponding hole clearances.
PCB Design : Via Current Carrying Capacity
Maximum via current carrying capacity can be calculated using Saturn PCB Design Toolkit
Commonly used via size and current carrying capacity are as below.
Friday, May 3, 2019
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Designing Thermal Vias
Enhancing thermal transfer for FR-4 PCBs can be achieved cost-effectively by incorporating thermal vias and plated through-holes (PTH) betwe...
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A voltage divider resistor network could be used for stepping the monitored voltage down to the range necessary for A/D conversion. A pass... -
VGS (th) = 1.3 V (Threshold Voltage) Input = 0V ; VGS > VGS(th) ; FET = ON ; Output = 0V Input = 3.3V ; VGS < VGS(th) ; FET =...