Electronic Design - Job Responsibilities of PCB Hardware Engineers

1. Job position: entry-level PCB engineer

skill requirements:

1. Able to make the package of Jianyin, such as DIP10, etc.;

2. Master the basic operations of at least one PCB design software, and be able to formulate simple wiring rules such as line width and spacing;

3. It can carry out a more reasonable and orderly layout and wiring for PCBs with 100 components and 200 networks or less;

4. It can be manually or automatically routed and modified under other people's or self-defined rules to achieve 100% deployment and complete DRC pass;

5. Possess basic mechanical structure and thermal design knowledge;

6. Master some basic requirements of double-sided board wiring.

Work content:

1. Simple PCB design and modification (such as the front panel of Jianyin structure, small single-chip microcomputer system board, etc.);

2. The wiring of the specified part of the complex PCB;

3. Debugging related to PCB design;

4. Write related development and debugging logs.

Responsibilities: Responsible for the design part of the PCB.

2. Job position: Junior PCB engineer

skill requirements:

1. Complicated packages can be made according to manuals and real objects, such as RJ-45 seat with light, etc., and ensure that the shape, pad and other dimensions are completely correct (at least insertable according to physical measurement);

2. Familiar with at least one PCB design software and be able to formulate more detailed wiring rules independently or under guidance;

3. It can carry out a more reasonable and orderly layout and wiring of single, double-sided and multilayer PCBs with 400 components and 1,000 networks or less, and can take into account thermal design, structural design, and electromagnetic compatibility at any time during the layout and wiring process If you are not sure about the requirements of sexual design, aesthetics, etc., please consult or discuss with more senior PCB engineers in time;

4. Ability to manually or automatically route and modify under other people's or custom rules, to achieve 100% routing and DRC completely pass, basically there is no line width bottleneck, inner islands, etc., and a small amount of principles can be seen in the wiring process Low-level errors in the design are raised, and the pins and gates can be exchanged correctly, and the network table and schematic diagram can be modified correctly;

5. Able to correctly import and export mechanical drawings and basically understand the structural size requirements;

6. Be able to carry out some high-speed and analog PCB design under the rules or guidance of others and be basically stable;

7. The silk screen logo is clear and clear, and can independently complete the design output work such as GERBER and proofread;

8. Possess basic manufacturability knowledge and use it in practice, and more than 50% of the designed board can be used for production.

Work content:

1. Design and modification of more complex PCBs (such as boards other than the CPU board in the dispatcher, 16-picture splitter board, etc.);

2. The wiring of the specified part of the complex PCB;

3. Debugging related to PCB design;

4. Work guidance for all lower-level PCB engineers;

5. Write related development and debugging logs;

6. When necessary (referring to the temporary absence of corresponding design tasks for a certain period of time, or when a certain PCB design work time is urgent, and the design staff must be transferred or strengthened, the same below) make up the work of any low-level PCB engineer. Refer to the recruitment information from the Electronic Components Technology Network.

Responsibilities: Responsible for the design part of the PCB.

3. Job position: Intermediate PCB engineer

(It can be subdivided into A, B, C according to the specific ability of the individual, A is the highest, and B is the second)

skill requirements:

1. Able to fully understand various original device manuals and wiring manuals, independently produce extremely complex packages, such as placing switches, and ensure that various capabilities are completely correct (at least according to the actual measurement

Guaranteed insertion), able to find suitable devices or replacements according to the principle and structure requirements;

2. Familiar with the operation and skills of at least one PCB design software and be able to formulate detailed wiring rules;

3. Able to put forward suggestions on the division and integration of various functional sections according to the system requirements, and be able to carry out reasonable layout and wiring of various functional sections for the independent or division of the PCB board of any number of components and networks, and the thermal design and structure can be considered at any time during the layout and wiring process. Design, SI, PI, EMC, aesthetics, manufacturability and other aspects of the requirements and propose solutions, can provide entry-level and junior PCB engineers with some layout and wiring requirements and rules reference, etc.;

4. It can correctly design the laminated structure of the board, and try to reduce the number of layers and reduce the cost while meeting the performance requirements;

5. Have more high-speed and analog PCB design knowledge in terms of impedance, time delay, overshoot, crosstalk, loops, signal loops, planar integrity, inner splitting slots, signal termination, etc., and can be independent or in SI Under the guidance of engineers, complete the SI simulation and analysis of key signals and areas and put forward suggestions for improvement;

6. Be proficient in manual or automatic wiring and modify and pass under the driving of rules. The whole board has a certain aesthetic feeling. During the wiring process, more than 80% of the low-level errors in the principle design can be seen and put forward, and the pins and gates can be exchanged proficiently and correctly;

7. Ability to communicate well with principle and structural design engineers, understand more complex mechanical drawings, and be able to put forward some reasonable improvement opinions related to PCB design in principle, component selection and structure, to help system design succeed as soon as possible;

8. The test points and silk screen marks are clear and error-free. Low-level errors in PCB design are rarely made. Generally, PCB design errors will not lead to revisions. 9) More than% of PCB processing manufacturers always give feedback and can solve them by themselves;

9. With more knowledge of manufacturability and practical practice, more than 70% of the designed boards can be used for direct mass production.

Work content:

1. Design and modification of extremely complex PCBs (such as 8-channel DVR backplane, PC motherboard, etc.);

2. Debugging related to PCB design and SI simulation of designated parts;

3. Provide work guidance and wiring rules for all lower-level PCB engineers;

4. Write related development and debugging logs;

5. Make and maintain the internal PCB standard package library and standard wiring module of the unit;

6. When necessary, concurrently serve as any lower-level PCB engineer.

Job responsibilities:

1. Responsible for the design part of the PCB;

2. Responsible for the self-designed part of the internal PCB standard packaging library and standard wiring module of the unit;

3. Responsible for own SI simulation results and solutions. The above refers to the self-love program network data.

4. Job position: senior PCB engineer

skill requirements:

1. Master the document conversion between various common PCB design software, and the transferred documents can basically be used for modification;

2. Familiar with all the requirements in high-speed and analog PCB design, more than 80% of the boards designed or guided by others have no related problems;

3. Have a wealth of manufacturability knowledge and use it for practice and guidance. More than 90% of the boards designed or guided by others can be used for direct mass production;

4. Proficient in high-density layout and wiring under the control of high-speed rules, and the deployed modules or boards are stable and reliable, and can achieve more than 80% of them, which is very aesthetic;

5. It is very innovative, and can often put forward various constructive suggestions for improving the efficiency of PCB design, PCB design quality, and the distribution of PCB structure in the system.

Work content:

1. Participate in the analysis, planning and simulation of PCB-related parts in the system design;

2. Organize and conduct PCB design training;

3. Provide work guidance and wiring rules for all lower-level PCB engineers;

4. Determine related development and debugging logs;

5. SI simulation model search, establishment and documentation;

6. The whole board and system SI, PI, EMC simulation, PCB manufacturable performance evaluation, analysis of the cause of the problematic PCB and propose effective solutions;

7. When necessary, concurrently serve as any lower-level PCB engineer.

Job responsibilities:

1. Responsible for all their own work;

2. Responsible for all guidance to others.