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Issue 239 << Issue 238 | Issue 240 >>
Mailbag

1 Aug, 2008

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".

TekTronix DPO3034

1 Aug, 2008

The 300MHz DPO3034, with its wide "digital phosphor" LCD screen, is a serious oscilloscope with an impressive list of features and an excellent user interface.

DSP Musicolour Light Show; Pt.3

5 Aug, 2008

In last month's article, we detailed the construction of the DSP Musicolour. In this month's article, we guide you through the final testing of the DSP Musicolour and give troubleshooting tips. We also explain the operation of the firmware in more detail as well as discussing possible accessories.

Planet Jupiter Receiver

6 Aug, 2008

How would you like to try some basic radio astronomy - listening to the bursts of noise originating from the planet Jupiter, or from the Sun? You don't need a lot of fancy equipment to do this, just the simple shortwave receiver described here. It?s hooked up to a basic dipole antenna (which we describe as well) and to the sound card in your PC, so that you can print out "chart recordings" of the noise signals.

Product Showcase

8 Aug, 2008

Printing In The Third Dimension

8 Aug, 2008

Imagine a colour printer that outputs images not just in the two dimensions we're all familiar with - width and depth - but adds the third dimension, height, so that the "printed" images can be physically held, picked up, turned, inverted . . . just like any other 3D object.

Ultra-LD Mk.2 200W Power Amplifier Module

11 Aug, 2008

This new amplifier module supersedes both the Plastic Power module described in the April 1996 issue and the Ultra-LD module presented in the March 2000 issue. It produces high power at very low distortion. In fact, as far as we are aware, it is the lowest distortion class-AB amplifier that has ever been published.

Vintage Radio

15 Aug, 2008

Prior to the 1930s, virtually all domestic broadcast receivers used TRF circuits. One exception was the 1925 RCA 26 portable which was one of the very first domestic superhets. It used some truly innovative technology for the era.

LED Strobe & Contactless Tachometer

15 Aug, 2008

This versatile LED Strobe & Tachometer can be used to observe and measure the RPM of rotating machinery. It offers three different measurement methods and the readout is via a 2-line LCD module.

Ask Silicon Chip  - 1 Aug, 2008

Serviceman's Log  - 11 Aug, 2008

Circuit Notebook  - 13 Aug, 2008

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