Shenzhen Ruilongyuan Electronics Co., Ltd. was established in 2009. Since its establishment, it has adhered to the development path of independent brand and independent innovation and created the RUILON brand. The company specializes in the research and development, production and sales of overcurrent and overvoltage protection devices. Its products mainly include ceramic gas discharge tubes, varistors, transient suppression diodes, electrostatic protection devices, lightning arresters, self-recovery fuses, etc. These products are widely used in industrial electronic equipment, communications, power, intelligent robots, medical equipment, automotive electronics, household appliances, green energy and energy conservation and environmental protection. The products have passed CQC, CE, CB, UL, TUV, CNAS certification, and the full range of products has passed ROHS and REACH certification. The company's position in the industry has been widely recognized, and it has successively won the honorary titles of "National High-tech Enterprise", "National Specialized and New Little Giant" Enterprise, "The 20th Shenzhen Famous Brand", "The 75th International Geneva Invention Bronze Award", and "The Second Prize for Scientific and Technological Progress Awarded by the Guangdong Electronic Information Association".
Use TI 74HC4052 4-channel analog switch (voltage support 2~6V) to switch the serial port channels;
Both the MCU and 74HC4052 are powered by 3.3V power supply. One of the eight 74HC4052 chips is not wo...
The waveform of the PSIM simulation circuit is inconsistent with that in the data. According to the data, the waveform will be distorted when the input signal frequency is 10K and 100K. As shown in th...
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Problem description:
1. The designed buzzer drive circuit is shown below. The resistor in the figure was later changed to 470Ω, but the problem was still not solved;
2. The buzzer is an active buzzer;...
I recently used the LM2596 chip to draw a power module, 20V DC input, connected a 25V100uF tantalum filter capacitor at the input end, connected to the load, the total current of the circuit was about...