Fullscreen HTML5Med Res (??MB)HTML4

Contents Vol.17, No.7; July 2004 www.siliconchip.com.au FEATURES 8 Silencing A Noisy PC Don’t bleat about a noisy PC. Here’s what to do so that you can enjoy the silence of the fans! – by Ross Tester 50 Restoring Old Dials, Front Panels & Labels You can use your PC to create vintage replicas of dials, panel and labels. All you need is the right software and a little know-how – by Kevin Poulter 93 Review: The BeeProg Universal Programmer Looking for an all-in-one professional programmer? This unit can program 12,080 unique devices, with more being added monthly! – by Peter Smith Battery Protector – Page 22. 22. PROJECTS TO BUILD 22 Versatile Micropower Battery Protector Protect your expensive batteries from discharge damage with this mini-sized electronic cutout switch. It uses virtually no power and can be built to suit a wide range of battery voltages – by Peter Smith 30 Appliance Energy Meter, Pt.1 Want to know how much electricity appliances in your house are using and how much they cost to run. Build this Energy Meter and find out – by John Clarke 46 A Poor Man’s Q Meter Simple circuit mates with an RF signal generator and multimeter for quick-andeasy “Q” and inductance measurements – by Maurie Findlay 74 Regulated High-Voltage Supply For Valve Amplifiers How to modify a surplus PC power supply to produce a 700V or 400V highvoltage rail – by Leonid Lerner Appliance Energy Meter – Page 30. 30. 84 Remote Control For A Model Train Layout All you need is a Picaxe, some code and a pair of pre-built UHF modules (plus a few minor parts) – by Greg Hunter SPECIAL COLUMNS 62 Serviceman’s Log Variety is the spice of life – by the TV Serviceman 68 Circuit Notebook (1) Using Dr Video Mk2 To Process NTSC Video; (2) Room Recorder (Simple Microphone Preamp); (3) An Accurate Reaction Timer; (4) Picaxe-Based Cable Tester; (5) How To Connect Two PCs Using Modems; (6) Picaxe Code Stops False Triggering; (7) Stepper Motor Controller Poor Man’s Q Meter – Page 46. High Voltage Supply For Valve Amplifiers – Page 74. 96 Vintage Radio Meet a designer of the legendary WS122 transceiver – by Rodney Champness DEPARTMENTS 2 4 61 87 89 Publisher’s Letter Mailbag Order Form Product Showcase Silicon Chip Weblink siliconchip.com.au 102 105 110 112 Ask Silicon Chip Notes & Errata Market Centre Ad Index July 2004  1