OS tracks all necessary information about each process running in the system in PCB. Process Control Block is a data structure representing a process in the OS.
Process control Block PCB is specially defined in the core of the OS for each process.
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#PCB Design
I am getting a PCB manufactured for a project that I am working on. One of the parts, the A4950 motor driver, has a “almofada” on the bottom, which is meant to be soldered to GND of the PCB for thermal dissipation. I was thinking about the prototyping, and I am unsure how I would go about (using a soldering iron), soldering the pad on the bottom.
Receive the PCB prototype from supplier. And see a CR mark on the board. What does it mean? Is it related to quality control?
How does a conventional board house deal with the issue of reflow during PCB component assembly with BGA’s on both sides of the board?
Are two different solders used (like regular lead free SAC305 and a low temp?)
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