![]() The circuit operating basics from the above shown block diagram. No doubt, the architecture may not deliver the efficiency of more advanced circuits, especially in terms of waveform consistency at increased frequencies, but it is nevertheless an incredibly handy instrument for audio analysis.įor a Bluetooth Version you Can Read this Article This goal has undoubtedly been accomplished, as the circuit provides a variety of sine, square and triangle waveforms and a frequency spectrum from roughly 12 Hz to 70 KHz employs just single CMOS hex inverter IC and a few separate elements. The purpose of the article was to create a basic, cost-effective, open source frequency generator that is easy to construct and used by all hobbyists and lab professionals. ![]() ![]() Using only one low-cost CMOS IC 4049 and a handful of separate modules, it is easy to create a robust function generator that will provide a range of three waveforms around and beyond the audio spectrum.
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June 2023
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