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