Resources   RF Globalnet - provides detailed coverage of the design and development of RF/microwave subsystems and components; also includes information on discrete components   GlobalSpec - information resource for electrical/electronic, industrial and technical committees helping finding industrial parts, specifications and services   Ridley Engineering - develops practical and reliable design tools and solutions for switching power supplies   SMPS Power Supplies - provides technical articles, design tips, and tutorials for power supply design Web Resources   W3Schools - tutorials and reference examples for HTML, XHTML, CSS, Javascript, XML, ASP, SQL, ADO, VBScript