What are the specific work contents of RF engineers? They are nothing more than the following: 1. Circuit system analysis. In some communication equipment company projects, RF engineers are responsible for conducting system analysis of the circuit of the entire RF system, guiding system design indicators, allocating unit module indicators, standardizing EMC design principles, proposing accessory functions and performance requirements, etc.; 2. Circuit principle design, including block diagram design and circuit design, which is a basic skill that RF engineers must have. This is also an extension of system design. How to achieve the goal of system design is the purpose of circuit principle design. It is also the \"predecessor\" of device selection and evaluation, because the process of designing circuits is also a process of device selection. 3. Device selection and evaluation. To achieve the index requirements of the circuit, it is essential to select the appropriate device. This process is actually carried out at the same time as the circuit principle design. How to choose the corresponding device? Which of the same type of devices is more suitable for our product design? Cost, performance, process requirements, packaging, supplier quality, delivery time, etc. are factors that need to be considered. 4. Software simulation, whether it is ADS, MWO, Ansoft or CST, HFSS, you must be able to use one or two simulation software anyway. Simulation software cannot make your design 100% accurate, but it will never let your design deviate from the basic direction. At least they are accurate in qualitative simulation. So you must learn to use one or two or more simulation software. Its basic function is to enable you to qualitatively analyze your design. There will always be errors, but it can enhance your confidence. 5. PCB LAYOUT, the principle is like a theoretical basis. Ten thousand applications can be based on only one theory, and several products may also have only one schematic diagram, as long as its wiring is different. For example, many companies design the same mobile phone solution, and the schematic diagram is the same, but the PCB boards laid out by different companies are different. One is different in appearance, and the other is different in performance. The difference in performance is actually the difference in PCB LAYOUT. The layout and wiring of the PCB that meets the requirements take into account performance, appearance, process, EMC and other aspects. Therefore, PCB LAYOUT is also a very important skill. 6. Debug analysis, this debugging is different from production debugging...
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