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Issue 262 << Issue 261 | Issue 263 >>
Publisher's Letter

1 Jul, 2010

Circuit Notebook

2 Jul, 2010

Interesting circuit ideas which we have checked but not built and tested. Contributions from readers are welcome and will be paid for at standard rates.

An Intelligent 12V Fan Controller

4 Jul, 2010

Does your computer make more noise than it should? It's probably mostly fan noise! Slowing the fans down will reduce the noise but if you go too far, you could end up with fricassee of CPU!

3DTV: From Stadium To Living Room

8 Jul, 2010

On Wednesday, 19th May 2010, Nine Network Australia and SBS Corporation began the first free-to-air 3D television broadcast in the world. We take a look at the technology involved in getting 3DTV live from the sports field to your home.

PICAXE Project Development System

10 Jul, 2010

With the abundance of microprocessor/microcontroller variations available these days it is no small wonder that many of the designs produced by electronic enthusiasts use one type or another of these components. And most commercial equipment these days has a micro controlling it. But how do you get from an idea to a working design?

Programming PIC Controllers: How It's Done

12 Jul, 2010

Many SILICON CHIP projects include a PIC microcontroller as the central component. But how do you program the PIC if you're not buying a kit or if you want to upgrade the firmware to a later version? Here's a step-by-step guide to doing it yourself.


14 Jul, 2010

Letters and emails should contain complete name, address and daytime phone number. Letters to the Editor are submitted on the condition that Silicon Chip Publications Pty Ltd may edit and has the right to reproduce in electronic form and communicate these letters. This also applies to submissions to "Ask SILICON CHIP" and ?Circuit Notebook?.

Vintage Radio

16 Jul, 2010

Valves were expensive in the early days of radio and so designers came up with clever techniques to minimise the valve count. One technique was known as "reflexing" and involved using the same valve to work as both an RF or IF amplifier and as an audio amplifier.

Lab-Standard 16-Bit Digital Potentiometer

18 Jul, 2010

No, this is not some kind of fancy digital volume control for hifi systems. Instead, it's a low-cost digital programmable voltage divider. It's used to provide an accurate adjustable output from a precision voltage reference for meter calibration and other tasks.

Ask Silicon Chip

20 Jul, 2010

Got a technical problem? Can't understand a piece of jargon or some technical principle? Drop us a line and we'll answer your question. Write to: Ask Silicon Chip, PO Box 139, Collaroy Beach, NSW 2097 or send an email to

Dual-Tracking ±19V Power Supply, Pt.2

22 Jul, 2010

Last month, we introduced our new Dual Tracking ?19V Power Supply and explained how it works. This month, we show you how to build the PC boards, install them in a case, wire it up and get it going. Both the mains-powered and plugpack-powered versions are covered.

Serviceman's Log  - 6 Jul, 2010

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