When AD421 is used with 430 microcontroller, it is connected to 3.3V voltage. Now the question is whether it is necessary to connect voltage between adjustment tube DN25D and LOOPRIN? How much voltage
This microphone is small in size and powerful in performance. We have two professional departments using it here. However, for a long time, it has not been able to be mounted on the PCB. When it is mo
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The CM3's PLL working at 100M is really power-consuming. Is there any new way to reset the PLL to lower the PCLK? During the whole working process, I need the PLL to switch between high and low freque