Câu 2 Cho mạch điện như hình 3.2.
Nếu biết Vcc=15V; R1=195k; R2=1,2k; R3=470 =99; UBE=0,3V.
a. Tính giá trị dòng điện và điện áp một chiều trên các cực của transistor.
b. Xác định dạng đường tải tĩnh và tọa độ điểm làm việc tĩnh của bộ khuếch đại.

How does the banner reflect the pewterers’ pride in their craft?

What do the discoveries of shells used in jewelry and a huge dredged canal tell us about the indus valley civilization?

By the end of the 1800s, there was a change in the nature of the immigrants coming to the united states. immigration from northern europe—england, ireland, germany, and scandinavia—declined, while immigration from italy, russia, and austria-hungary grew. in fact, between 1900 and 1910, more than three-fourths of all immigrants came from these three countries. unfortunately, these countries were far removed england, the home of our founders, and the immigrants who came from them had a hard time adjusting to life in their new country.