After connecting the circuit and downloading the program, the first line of the display is bright, but the desired data is not displayed. Only the small black squares are flashing. I would like some a...
In some environments where the speed of transistor switch circuit operation is required to be high, such as the communication field, the switch circuit needs to have the characteristics of fast switch...
【Abstract】 In order to design a small-sized, simple-structured, low-cost ultra-wideband high-low frequency nested antenna (high frequency: 1 427-2 690 MHz, low frequency 690-960 MHz), this paper first...
The answer uses current series negative feedback. The answer is compiled from the postgraduate entrance examination materials.
I have a few questions
1. The load is a 50Ω output resistor. Shouldn't vo...