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Projects, Designs, and Technical Stuff / Re: Accurate sine wave in terms of amplitude
« Last post by PCB.Wiz on Today at 09:03:35 pm »The frequency can be between 1-10kHz.
Amplitude can be between 200mV and 5V. I don't know how much THD (or any other parameter) affects to the device.
Do you need to adjust this generator across 1-10kHz and 200mV-5V ?
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I don't know how much THD (or any other parameter) affects to the device. I need to finish the design, build the device and test. And then probably, re-design the circuit, build another device and test again. Maybe at this point I actually know all the key parameters, including if THD matters or not.
Then you are probably best to get a simple, low cost MCU based DDS function generator module from AliExpress, that can easily and quickly cover your range while you determine what you really do need.