Comparison of three basic amplifier circuits1. The input impedance and output impedance range from tens of ohms to hundreds of kiloohms. What causes this? How to select the application based on the in
The original plan was to debug the SPI device, but due to the difficulties encountered, I searched for information in many places but could not find a solution, so I had to put it aside temporarily. I
Some time ago, I was browsing Xianyu and found someone selling beaglebone black for only 30 yuan. I spent 300 yuan to buy it. I thought I got a great bargain. After a closer look, I found that it was
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Smart antenna technology is one of the key technologies in TD-SCDMA (Time Division Synchronous Code Division Multiple Access). This paper mainly introduces the proposal, working principle and classifi