A variable law, low distortion attenuator incorporating second harmonic cancellation circuitry
This was the first article I ever wrote for Wireless World, as it then was. By the time I was in my third year at Cambridge, I was deeply involved in audio electronics, and so when the time came to choose a subject for the design project that was an important part of the course, I went straight for audio. There were three main considerations: it was important to pick something that was virtually certain to have a successful outcome, I wanted to have fun doing it, and it should be suitable for publication in Wireless World. The project was done in the early months of 1973, and took a little to work its through to the top ...
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