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PCBA board inspection standards and precautions
PCBA board PCBA board inspection standards? I. PCB board inspection standards 1. Serious defects (expressed as CR): any defects that are sufficient to cause injury to the human body or machine or endanger the safety of life, such as: non-compliance with safety regulations / burn / electric shock....Read more -
What Factors Should We Consider When Choosing A Circuit Board Supplier?
When choosing a circuit board supplier, it is important to consider several factors to ensure that you get the best quality product at a reasonable price. Here are some of the factors to keep in mind: Quality Standards Quality is one of the most critical factors to consider w...Read more -
What Are The Characteristics of PCB Cleaners?
Considering from the characteristics of the cleaning agent, people often choose trichlorotrifluoroethane (CFC-113) and methyl chloroform as the main material of the cleaning agent.CFC-113 has the advantages of high degreasing efficiency, strong dissolving power of flux residue, non-toxic, non-fla...Read more -
PCB prototyping design through rate and design efficiency techniques (2)
5. Manual wiring and the handling of critical signals Although this paper focuses on automatic wiring, but manual wiring in the present and future are an important process of printed circuit board design. The use of manual wiring helps automated wiring tools to complete the wiring work. Regardles...Read more -
PCB Prototyping Design Through Rate and Design Efficiency Techniques (1)
PCB wiring design, for the improvement of cloth through the rate of a complete set of methods, here, to provide you with PCB design to improve the rate of cloth through the rate of design efficiency and effective techniques, not only for customers to save the project development cycle, but also t...Read more -
PCB Layout CAD Software
Overview of PCB Layout CAD Software PCB layout CAD software is an important tool for designing printed circuit boards. It allows designers to create schematics and board layouts, place components, route wires and generate manufacturing files. Over the years, PCB layout CAD software has become inc...Read more -
Principles of Impedance Matching
The basic principle of impedance matching 1. pure resistance circuit In secondary school physics, electricity has told such a problem: a resistance of R electrical appliances, connected to an electric potential of E, internal resistance of r battery pack, under what conditions the power output of...Read more -
Automatic PCB Layout
Printed circuit board autolayout is the process of automating the placement and routing of electronic components on a printed circuit board (PCB). The process is performed using software that uses algorithms and rules to optimise the placement and routing of components on the board. Definition Au...Read more -
Must PCB be Baked and Then Mounted?
PCB is a kind of electronic parts, is also the carrier of the whole PCBA, other electronic parts are mounted on the PCB pad, play their respective electronic communication function. Patch must be used PCB. PCB in the production out of the general are vacuum packaging, in the pick and place machin...Read more -
Reverse Current Blocking Circuit Design
Reverse current is when the voltage at the output of a system is higher than the voltage at the input, causing current to flow through the system in the reverse direction. Sources: 1. the body diode becomes forward biased when the MOSFET is used for load switching applications. 2. a sudden drop i...Read more -
Do you know EMC Filtering?
I. Overview The three elements of electromagnetic interference are the source of the interference, the interference transmission path, the interference receiver, EMC around these issues for research. The most basic interference suppression techniques are shielding, filtering, grounding. They are ...Read more -
What are the defective products of processing solder joints?
After SMT reflow soldering we will encounter some defective phenomena, these SMT processing soldering defects will directly or indirectly affect the quality of the product. These defective phenomena are clear SMT operators on the patch processing defects judgement, so as to provide the industry b...Read more
