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Issue 268 << Issue 267 | Issue 269 >>
Publisher's Letter

1 Jan, 2011

VAST: Australia's New Digital TV Satelite Service

2 Jan, 2011

Back in April last year, the Australian Government announced a landmark agreement that will eventually provide high quality digital TV services to viewers who cannot receive terrestrial digital TV (ie, digital TV services from transmission towers in their area).

Cheap-N-Easy 433MHz Sniffer

6 Jan, 2011

Here's a simple - and cheap - little 433MHz receiver that has many uses. It is ideal for checking that a suspect 433MHz "wireless" device (and there are scads of them) is actually working. It's great for finding out where interference is coming from. But most importantly (we believe!) it makes a great tracker for "fox hunts" and the like.

Review: Tekway DST1102B 100MHz DSO

8 Jan, 2011

Digital storage 'scope technology has pushed ahead in leaps and bounds over the last few years. Each new model offers higher sampling rates, wider bandwidth, deeper sample memory plus a full colour display growing in both resolution and screen size - combined with shrinking physical size and a lower price tag than previous models. Here's a look at the DST1102B from Chinese firm Tekway, showing just how far DSOs have come to date. It offers an impressive array of features, for a price that simply blows away most of the competition.

Mailbag

11 Jan, 2011

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".

Cranial Electrical Stimulation Unit

14 Jan, 2011

Commercial cranial electrical stimulation (CES) units cost hundreds of dollars but this one is cheap and easy to build. It is battery-powered, portable and has adjustable current delivery and repetition rate.

A Cheap High-Current Bench Power Supply

17 Jan, 2011

If you've ever had to buy a high-current bench supply, you'll know they don't come cheap. But you may well have such a supply sitting unloved and (until now!) unwanted in the back of a cupboard. It's the power supply in that old computer you never quite got around to throwing away!

Circuit Notebook

20 Jan, 2011

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.

Digital/Analog USB Data Logger, Pt.2

21 Jan, 2011

Last month, we described the main features of the USB Data Logger and gave the circuit details. This month, we give the assembly procedure, explain how to install the Windows driver and PC host software and describe how the unit is used.

Ask Silicon Chip

23 Jan, 2011

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 silicon@siliconchip.com.au

Hearing Loop Signal Conditioner

25 Jan, 2011

Want to drive a hearing loop using a conventional voltage (audio) amplifier? This Hearing Loop Signal Conditioner includes signal compression and has a treble boost control to compensate for high-frequency roll-off due to loop inductance. It uses low-cost parts and is easy to build.

Serviceman's Log  - 4 Jan, 2011

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