- 搜標(biāo)題
- 搜題干
- 搜選項
單項選擇題
A constant-gain multiplier has three stages and a total gain of 22,200. For all three feedback resistors, Rf = 470 kΩ. Two of the R1 resistors have a value of 33 kΩ. What is the individual gain of the two identical stages where R1 is known?
A constant-gain multiplier has three stages and a total gain of 22,200. For all three feedback resistors, Rf = 470 kΩ. Two of the R1 resistors have a value of 33 kΩ. What is the individual gain of the two identical stages where R1 is known?
A、14.2
B、-14.2
C、110.3
D、-110.3
A.2
B.2
C.3
D.3
B.2
C.3
D.3
