Question 1

Figure 18-1
-If Rf = 150 k? and Ri = 2.2 k? in Figure 18-1(c), the voltage gain equals ________.

Accepted Answer

A)   -69.2
B)   -68.2
C)   -1
D)   infinite B

Question 2

The voltage gain of an OTA can be calculated using the formula:

Accepted Answer

A)   AV= gmRL.
B)   AV= 2 Rf/Ri.
C)   AV= Rf/Ri.
D)   AV= (Rf/Ri)  + 1. A

Question 3

Figure 19-3
-If VIN= 70 VP in Figure 19-3, the output voltage at fCO equals ________.

Accepted Answer

A)   49.5 VP 
B)   0 VP 
C)   13 VP 
D)   44.2 VP  A

Question 4

Figure 19-2
-If the inputs are 1.2 V, -0.5 V and 2.4 V in Figure 19-2(b), what is the output voltage?

Accepted Answer

A)   -4.1 V
B)   -6.2 V
C)   6.2 V
D)   13 V

Question 5

Figure 18-1
-If Rf = 1.2 M? and AV = 120 in Figure 18-1(c), Ri equals ________.

Accepted Answer

A)   100 k?
B)   120 ?
C)   1 k?
D)   10 k?

Question 6

Figure 18-1
-If Rf= 100 k? and AV = (-833) in Figure 18-1(c), Ri equals ________.

Accepted Answer

A)   10 k?
B)   1 k?
C)   100 k?
D)   120 ?

Question 7

The output of an op-amp differentiator depends on the values of ________ and ________.

Accepted Answer

A)   RIN, CF 
B)   CIN, CF 
C)   CIN, RF 
D)   RIN, RF

Question 8

Figure 18-1
-If Rf = 1.2 M? and Ri = 47 k? in Figure 18-1(b), the voltage gain equals ________.

Accepted Answer

A)   25
B)   26
C)   26.5
D)   25.5

Question 9

Figure 18-1
-If Rf = 5 k? and Ri = 10 k? in Figure 18-1(c), the voltage gain equals ________.

Accepted Answer

A)   -5
B)   -2
C)   0
D)   -0.5

Question 10

On transistor spec sheet, the key difference between ?DC and ?DC is that:

Accepted Answer

A)   ?DC represents IC/IB; ?DC represents IC/IE. 
B)   ?DC represents IE/IC; ?DC represents IB/IC. 
C)   ?DC represents IE/IC; ?DC represents IC/IE.
D)   ?DC represents IC/IB; ?DC represents IB/Ic.

Question 11

Voltage gain can be found by AV = VIN ÷ VOUT

Accepted Answer

A) True 
 B)False

Question 12

Figure 20-1
-Refer to Figure 20-1 (a). If R1 = R2 = 30 k? and the closed loop gain is 450, the value of the external gain-setting resistor RG is:

Accepted Answer

A)   13.4 ?.
B)   134 ?.
C)   134 k?.
D)   none of the above.

Question 13

Figure 18-1
-VRF equals ________ in Figure 18-1(c).

Accepted Answer

A)   VCC 
B)   VRI 
C)   VIN 
D)   VOUT

Exam 6: Basic Op-Amp Circuits, Special-Purpose Op-Amp Circuits, the Operational Amplifier, Transistors and Applications

Figure 18-1 -If R_f = 150 k? and R_i = 2.2 k? in Figure 18-1(c) , the voltage gain equals ________.

The voltage gain of an OTA can be calculated using the formula:

Figure 19-3 -If V_IN= 70 V_P in Figure 19-3, the output voltage at f_CO equals ________.

Figure 19-2 -If the inputs are 1.2 V, -0.5 V and 2.4 V in Figure 19-2(b) , what is the output voltage?

Figure 18-1 -If R_f = 1.2 M? and A_V = 120 in Figure 18-1(c) , R_i equals ________.

Figure 18-1 -If R_f= 100 k? and A_V = (-833) in Figure 18-1(c) , R_i equals ________.

The output of an op-amp differentiator depends on the values of and .

Figure 18-1 -If R_f = 1.2 M? and R_i = 47 k? in Figure 18-1(b) , the voltage gain equals ________.

Figure 18-1 -If R_f = 5 k? and R_i = 10 k? in Figure 18-1(c) , the voltage gain equals ________.

On transistor spec sheet, the key difference between ?_DC and ?_DC is that:

Voltage gain can be found by A_V = V_IN ÷ V_OUT

Figure 20-1 -Refer to Figure 20-1 (a) . If R₁ = R₂ = 30 k? and the closed loop gain is 450, the value of the external gain-setting resistor R_G is:

Figure 18-1 -V_RF equals ________ in Figure 18-1(c) .

Exam 6: Basic Op-Amp Circuits, Special-Purpose Op-Amp Circuits, the Operational Amplifier, Transistors and Applications

Figure 18-1 -If Rf = 150 k? and Ri = 2.2 k? in Figure 18-1(c) , the voltage gain equals ________.

The voltage gain of an OTA can be calculated using the formula:

Figure 19-3 -If VIN= 70 VP in Figure 19-3, the output voltage at fCO equals ________.

Figure 19-2 -If the inputs are 1.2 V, -0.5 V and 2.4 V in Figure 19-2(b) , what is the output voltage?

Figure 18-1 -If Rf = 1.2 M? and AV = 120 in Figure 18-1(c) , Ri equals ________.

Figure 18-1 -If Rf= 100 k? and AV = (-833) in Figure 18-1(c) , Ri equals ________.

The output of an op-amp differentiator depends on the values of ________ and ________.

Figure 18-1 -If Rf = 1.2 M? and Ri = 47 k? in Figure 18-1(b) , the voltage gain equals ________.

Figure 18-1 -If Rf = 5 k? and Ri = 10 k? in Figure 18-1(c) , the voltage gain equals ________.

On transistor spec sheet, the key difference between ?DC and ?DC is that:

Voltage gain can be found by AV = VIN ÷ VOUT

Figure 20-1 -Refer to Figure 20-1 (a) . If R1 = R2 = 30 k? and the closed loop gain is 450, the value of the external gain-setting resistor RG is:

Figure 18-1 -VRF equals ________ in Figure 18-1(c) .

Figure 18-1 -If R_f = 150 k? and R_i = 2.2 k? in Figure 18-1(c) , the voltage gain equals ________.

Figure 19-3 -If V_IN= 70 V_P in Figure 19-3, the output voltage at f_CO equals ________.

Figure 18-1 -If R_f = 1.2 M? and A_V = 120 in Figure 18-1(c) , R_i equals ________.

Figure 18-1 -If R_f= 100 k? and A_V = (-833) in Figure 18-1(c) , R_i equals ________.

The output of an op-amp differentiator depends on the values of and .

Figure 18-1 -If R_f = 1.2 M? and R_i = 47 k? in Figure 18-1(b) , the voltage gain equals ________.

Figure 18-1 -If R_f = 5 k? and R_i = 10 k? in Figure 18-1(c) , the voltage gain equals ________.

On transistor spec sheet, the key difference between ?_DC and ?_DC is that:

Voltage gain can be found by A_V = V_IN ÷ V_OUT

Figure 20-1 -Refer to Figure 20-1 (a) . If R₁ = R₂ = 30 k? and the closed loop gain is 450, the value of the external gain-setting resistor R_G is:

Figure 18-1 -V_RF equals ________ in Figure 18-1(c) .