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Mixed PCB

In Mixed PCB design, the interference problem in digital-analog mixed PCB design has always been a difficult problem.
question. In particular, the analog circuit is generally the source of the signal. Whether the signal can be correctly received and converted is a requirement of hybrid PCB design.
Important factors to consider. This article analyzes the mechanism of hybrid circuit interference and combines design practices to explore
The general processing methods of hybrid circuits are discussed and verified through design examples.

A printed circuit board (Mixed PCB) is a support for circuit components and devices in electronic products. It provides circuit components
And device electrical connections. Many PCBs are no longer single-function circuits
Circuit and analog circuit. Data is generally collected and received in analog circuits.
The use of software to achieve control must be digitized, so digital circuits and analogs often exist on the same board.
Pseudo-circuits, and even share the same components. Considering the problem of mutual interference between them and the circuit
The influence of energy, the layout and wiring of the circuit must have certain principles. In mixed signal PCB design
The special requirements for power transmission lines and the requirements for isolating noise coupling between analog and digital circuits have increased
The complexity of placement and routing at design time. Here, by analyzing the layout and
Layout design to achieve the required PCB design goals.

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