HOLTEK launches the new CAS Tone Detector HT9033. The new product can quickly and correctly receive CAS signals and notify the system controller to perform the call insertion function. It is suitable ...
I read a few posts online and have some questions that need answers;
1. As shown in the picture , the original poster said:
At the beginning of ignition, the high voltage Vh of the HID ballast charges...
In a single-ended flyback switching power supply, when the switch is turned off, the leakage inductance of the transformer primary will generate a spike voltage, and an RC or RCD absorption circuit is...