This circuit is a stereo transmitter circuit that does not use a phase-locked loop to stabilize frequency:

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[High-tech LED reporter Zhu Chunwei] On November 26th, in the third session of the CTO conference held in conjunction with the 2013 Gaogong LED Lighting Exhibition, the title of the photovoltaics was held: the packaged devices, equipm…

For everyone, the touch screen is nothing new. Especially in today's popular smartphones, touch screens have become the standard for mobile phones. The technical principles of the touch screen on the network abound, and will not be described here. Mr. Sun Jianguo, Directo…

Since the end of the October holiday, buyers from all over the country and around the world have been located in Guzhen Town, Zhongshan City.

Data show that in 2012, the total output value of Guzhen Town Lighting Industry reached 15.81 billio…

The arrangement of the ED and the specification of the LED source determine the basic driver requirements. The main function of the LED driver is to limit the current flowing through the LED under certain operating…

Shenzhen Advanced Microelectronics Technology Co., Ltd. (hereinafter referred to as ASM) in Yantian District broke out on nearly 5,000 workers on October 31. The workers were dissatisfied with the relocation of the factory but did not give the laborer…