Notes on using PMOS tube as power switch: When PMOS tube is used as power switch, the power is pulled down due to the too fast switching speed Istepped on a pit when designing the circuit recently, an...
The board is the msp430F5438 series. Since screen flickering occurs when using TFT for waveform display, we want to generate high-frequency signals to increase the refresh rate of the TFT display. I f...
On the day of Double 11, I received my first gift, a wireless Bluetooth keyboard. It was made by Logitech, of good quality and very thick. I just need a tablet to show off!After unpacking it, I found ...
As the audio functionality in mobile phones continues to increase, much attention is still focused on the RF subsystem in circuit board design, and audio circuits often receive the least attention. Ho...
[hide] Like traditional light sources, semiconductor light emitting diodes (LEDs) also generate heat during operation, and the amount depends on the overall luminous efficiency. Under the action of ex...