How many op-amps are required to implement this equationop-amps?
A. 2
B. 3
C. 4
D. 1
OP-AMP Circuits
The ideal OP-AMP has the following characteristics
The ideal OP-AMP has the following characteristics
A. Ri=∞ ,A=∞ ,R0=0
B. Ri=0 ,A=∞ ,R0=0
C. Ri=∞ ,A=∞ ,R0=∞
D. Ri=0 ,A=∞ ,R0=∞
If ground is applied to the (+) terminal of an inverting op-amp, the (–) terminal will_____________?
If ground is applied to the (+) terminal of an inverting op-amp, the (–) terminal will_____________?
A. Not need an input resistor
B. Be virtual ground
C. Have high reverse current
D. Not invert the signal
An ideal OP-AMP is an ideal______________?
An ideal OP-AMP is an ideal______________?
A. Current controlled Current source
B. Current controlled voltage source
C. Voltage controlled voltage source
D. voltage controlled current source
A non inverting closed loop op amp circuit generally has a gain factor______________?
A non inverting closed loop op amp circuit generally has a gain factor______________?
A. Less than one
B. Greater than one
C. Of zero
D. Equal to one
The closed-loop voltage gain of an inverting amplifier equal to______________?
The closed-loop voltage gain of an inverting amplifier equal to______________?
A. The ratio of the input resistance to feedback resistance
B. The open-loop voltage gain
C. The feedback resistance divided by the input resistance
D. The input resistance
Calculate the cutoff frequency of a first-order low-pass filter for R1 = 2.5kΩ and C1 = 0.05μF___________?
Calculate the cutoff frequency of a first-order low-pass filter for R1 = 2.5kΩ and C1 = 0.05μF___________?
A. 1.273kHz
B. 12.73kHz
C. 127.3 kHz
D. 127.3 Hz