【单选题】正弦波振荡电路如图所示。设A为理想集成运放,已知电阻R2=1.5kW,电路振荡稳定的输出电压Uo(有效值)=2.7V。则流过电阻R1的电流IR1(有效值)和电阻R1的值分别为( )。【图片】
A. I R1=0.6mA , R 1 = 3k Ω
B. I R1=0.9mA , R 1 = 6k Ω
C. I R1=1.8mA , R 1 = 9k Ω
D. I R1=1.2mA , R
A. I R1=0.6mA , R 1 = 3k Ω
B. I R1=0.9mA , R 1 = 6k Ω
C. I R1=1.8mA , R 1 = 9k Ω
D. I R1=1.2mA , R
举一反三
- 正弦波振荡电路如图所示。设A为理想集成运放,已知电阻R2=1.5kW,电路振荡稳定的输出电压Uo(有效值)=2.7V。则流过电阻R1的电流IR1(有效值)和电阻R1的值分别为( )。[img=262x245]1803d76528b3b37.png[/img] A: IR1=0.6mA,R1=3kΩ B: IR1=0.9mA,R1=6kΩ C: IR1=1.8mA,R1=9kΩ D: IR1=1.2mA,R1=8kΩ
- 正弦波振荡电路如图所示。设A为理想集成运放,已知电阻R2=1.5kW,电路振荡稳定的输出电压Uo(有效值)=2.7V。则流过电阻R1的电流IR1(有效值)和电阻R1的值分别为( )。[img=262x245]1803d7644f38e31.png[/img] A: IR1=0.6mA,R1=3kΩ B: IR1=0.9mA,R1=6kΩ C: IR1=1.8mA,R1=9kΩ D: IR1=1.2mA,R1=8kΩ
- 正弦波振荡电路如图所示。设A为理想集成运放,已知电阻R2=1.5kW,电路振荡稳定的输出电压Uo(有效值)=2.7V。则流过电阻R1的电流IR1(有效值)和电阻R1的值分别为( )。[img=262x245]18036f7c0576086.png[/img] A: IR1=0.6mA,R1=3kΩ B: IR1=0.9mA,R1=6kΩ C: IR1=1.8mA,R1=9kΩ D: IR1=1.2mA,R1=8kΩ
- 正弦波振荡电路如图所示。设A为理想集成运放,已知电阻R2=1.5kW,电路振荡稳定的输出电压Uo(有效值)=2.7V。则流过电阻R1的电流IR1(有效值)和电阻R1的值分别为( )。[img=262x245]1803257d2405f63.png[/img] A: IR1=0.6mA,R1=3kΩ B: IR1=0.9mA,R1=6kΩ C: IR1=1.8mA,R1=9kΩ D: IR1=1.2mA,R1=8kΩ
- 正弦波振荡电路如图所示。设A为理想集成运放,已知电阻R2=1.5kW,电路振荡稳定的输出电压Uo(有效值)=2.7V。则流过电阻R1的电流IR1(有效值)和电阻R1的值分别为( )。[img=262x245]180341dda8121fa.png[/img] A: IR1=0.6mA,R1=3kΩ B: IR1=0.9mA,R1=6kΩ C: IR1=1.8mA,R1=9kΩ D: IR1=1.2mA,R1=8kΩ