When it comes to troubleshooting, no other book even comes close: hundreds of circuits are covered in this exhaustive handbook. And no other electronics author is as widely read and trusted as John Lenk, whose 92 books have sold over two million copies in nine languages. The result is the most comprehensive and reliable circuit compendium ever assembled. Heavily illustrated with diagrams and schematics, it uses a standard, easy-to-follow format to help readers understand and troubleshoot a wide range of circuit types, and provides proven circuit testing techniques for all levels of instrumentation.