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Oscilloscope Kit Repair – Part 2
In the first part of this nail-biting adventure, I explained the origins of this oscilloscope and that after some basic investigations and repairs it was now sort of working. Now many of us are used to repairing a piece of equipment with limited or no documentation, but the more complex the equipment is, the harder…
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Oscilloscope Kit Repair – Part 1
Back in the mid 70’s when I’d not long started playing with electronics I stumbled across the advert from the British National Radio & Electronics School. It promised to teach you electronics and as part of the course work you would build a working oscilloscope. My brother had one and he’d used it many time…
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OXO – Part 2
When designing a project like this, I like to revert back to my tried and trusted pencil and paper to draw flowcharts and after a couple of iterations I came up with this. Whilst the process depicted above is basically correct, as it stands it’s highlighted some problems. The diagram shows that some branches have…
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OXO – Part 1
My original blog post details how I came to start this project and why I chose to see if I could construct this using TTL chips and diodes so I won’t repeat those ramblings here. Instead, let’s get right down to seeing if I can build this or not. For me, design is an iterative process. I…