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Contents Vol.13, No.11; November 2000 FEATURES 4 Quick Circuit 5000 PC Board Prototyping System It mills away the copper, drills the holes and makes the cutouts for fast PC board prototypes – by Peter Smith 10 ShockLog: Monitoring The Things That Go Bump It rides shotgun with your goods and records the shocks and bumps 72 Tektronix TDS7504 Digital Phosphor Oscilloscope It’s a computer and a digital oscilloscope all in one package. You can even plug in an external VGA monitor for a split-screen display – by Leo Simpson Santa & Rudolph Christmas Display – Page 13. PROJECTS TO BUILD 13 Santa & Rudolph Chrissie Display It’s huge, it’s colourful, it has lights, it has movement: your house will have the best decoration in the suburb – by John Clarke & TestaRossa 30 2-Channel Guitar Preamplifier Each channel has bass, mid and treble controls and there’s an optional digital reverberation unit as well – by John Clarke 60 Message Bank & Missed Call Alert You’ll never miss another Message Bank call again – by Leo Simpson & Rick Walters 2-Channel Guitar Preamplifier – Page 30. 66 Programmable Electronic Thermostat It’s programmed using a PC and has three relays to control external equipment – by Michael Jeffery 86 Protoboards: The Easy Way Into Electronics More circuits based on the 555 timer and how to use the 555 as an audio amplifier – by Leo Simpson SPECIAL COLUMNS Message Bank & Missed Call Alert – Page 60. 54 Serviceman’s Log Most customers are reasonable – by the TV Serviceman 78 Vintage Radio The intriguing Philips “Philetta” – by Rodney Champness DEPARTMENTS 2 41 42 53 58 Publisher’s Letter Electronics Showcase Product Showcase Subscriptions Form Mailbag 76 91 93 94 96 Circuit Notebook Ask Silicon Chip Notes & Errata Market Centre Advertising Index Programmable Electronic Thermostat – Page 66. November 2000  1