Audio frequency multiplier with CD4046 PLL (Phase Locked Loop), CD4017 decade counter / divider, CD4051 single 8-channel analog multiplexer demultiplexer and CD4040 binary counter.
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00:00 Frequency Multiplier schematic one
00:05 Circuit working, mounted on breadboard
02:59 Circuit analysis with schematic one
04:14 Schematic two, a variation (arpeggiator) with analysis
04:28 Circuit on breadboard and sound examples
#analogsynthesizer