Parallel Phone Tap Circuit Diagram

Monday, December 17th, 2007


In a recent article, I discussed the difference between parallel and series telephone taps. In this article, I present a very simple and reliable parallel phone tap circuit useful for recording telephone conversations onto a tape recorder.
When installing a telephone tap, its advisable not to cut the telephone line in anyway. Cutting the telephone line [...]

Switching Power Supply Design & Optimization

Thursday, November 15th, 2007


The design of switching power supplies has become one of the most crucial aspects of electronics, particularly in the fast-growing market for portable devices. Whether you’re a newcomer to power supply design or an experienced hand, this book belongs on your shelves. Rigorous and carefully explained, expert Sanjaya Maniktala’s Switching Power Supply Design and Optimization [...]

Tricks and Tips for Using Your Network Printer

Tuesday, June 26th, 2007


The printing processes in Windows run smoothly and automatically most of the time, even across a network. However, knowing a few tricks makes network printing easier for all the users on your network.
Using a printer shortcut on the desktop
Sometimes you just need a printed copy of an existing document and you don’t want to open [...]