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A Simple Style for C Programming

Written by Meetul Kinarivala
C is a beautiful programming language, one that is close to the system and at the same modular, no wonder it lies at the heart of most embedded systems. Like most other languages it provides freedom in style of coding. This does not help when programs and number of programmers grow large. Therefore for ease of reading, understanding and sharing C programs among several team members, Mansi Engineering uses this simple style for C programming, which in our opinion is a good balance between simplicity and objectivity. Our programmers must print this document and have it with them at all times while coding in C.
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Product Certification

Written by Meetul Kinarivala
This article explains the saga of having electronic products certified for sale. In order to be able to sell a piece of electronic equipment or device in a country, various certifications may be required to be acquired as per the appropriate governing regulations set by that country. Each country may mandate compliance to its own set of standards which would form a large stock pile of documents; however the happy news is that in most cases such standards are derived from or are variations of a more internationally recognized standard such as one laid out by the IEC (International Electrotechnical Commission). An example is the BS EN 55024, a British Standard that lays down limits and methods of measurement of Immunity characteristics of IT equipment. This standard is derived from the European Standard EN 55024:1998 with the incorporation of amendments A1:2001 and A2:2003.
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Golden Rules For Electronic Circuit Design

Written by Meetul Kinarivala
This short article presents a concise checklist of rules that must be followed for an electronic design to be successful. Mansi Engineering ensures that all of its designs conform to the following guidelines: All components must conform to the specified temperature range. For resistors, de-rating of power rating at peak temperature must be considered. For capacitors de-rating of capacitance, leakage and increase in ESR at peak temperature may be important. For other components such as diodes and transistors, parameters such as recovery times and current gain vary with temperature and must be considered at extreme temperatures. In summary, no design calculation must be left to chance (as is often the case with designs put together in haste), temperature effect calculations are indispensable to success.
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A Simple Method of Doing Electronic Circuit Design Calculations

Written by Meetul Kinarivala
Electronic circuit design, especially power design is an iterative calculative process that needs several assumptions to be made at the time of calculations and may need iterative adjustments of such assumptions depending on acceptability of the result. A computer worksheet becomes an indispensable tool for such calculations, wherein it allows designer to change assumed values giving results instantly. A very simple and effective scheme of doing such calculations has evolved at Mansi Engineering and is demonstrated by this example: Click Here .
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