There is a dedicated IC, the BA1404, that does exactly this, but the chip has stability problems, and several designs have suffered with the chip latching, not to mention that it is almost obsolete. The object was to produce a high-quality WBFM broadcast transmitter, with in-built stereo encoder. In my mind I designed and built several projects, including this one. I have not even been on the HF for months :-(Īlthough I may be out in the garden digging, or sitting in a hospital queue, the mind is still active. It seems that these days there is always something more sensible, important or very necessary, to consume all my spare time.
In recent months I have been rather quite, when it comes to new projects.
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