On Wed, 2 Sep 2020, tokafondo wrote: > There is this XR2206 function generator chip ... which is long obsoleted. It was fancied about 40 years ago, e.g. in the Elektor magazine, when also the SN76477 was hot. Takes some effort to build a proper synthesizer oscillator from it (or its cousin, the XR/ICL8038), as it wasn't exactly developed for being tunable over several octaves. C64 users may remember the 2206/2211 combo from early packet radio interfaces, before single-chip solutions like the TCM3101/05 or AM7910/11 got fashionable. RainerReceived on 2020-09-03 15:00:03
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