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Linear Integrated Circuits
Linear Integrated Circuits Advanced
Quiz 1
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Q.1
For the given circuit find the output voltage?
a) -5.625v
b) -3.50v
c) -4.375v
d) -3.125v
Q.2
Which type of switches are not preferable for a simple weighted resistor DAC?
a) Bipolar Transistor
b) Voltage switches
c) MOSFET
d) All of the mentioned
Q.3
The inverted R-ladder can also be operated in
a) Inverted mode
b) Current Mode
c) Voltage mode
d) Non inverted mode
Q.4
Which of among the following circuit is considered to be linear?
a) Weighted Resistor type DAC
b) R-2R ladder type DAC
c) Inverter R-2R ladder DAC
d) All of the mentioned
Q.5
Multiplying DAC uses
a) Varying reference voltage
b) Varying input voltage
c) Constant reference voltage
d) Constant input voltage
Q.6
Calculate the value of LSB and MSB of a 12-bit DAC for 10v?
a) LSB =7.8mv, MSB =5v
b) LSB =9.3mv, MSB =5v
c) LSB =14.3mv, MSB =5v
d) LSB =2.4mv, MSB =5v
Q.7
A multiplying DAC is given a reference voltage VR = Vom cos2πft. Determine the output voltage?
a) Vo(t) = Vom sin(2πft+180o)
b) Vo(t) = Vom cos(2πft+180o)
c) Vo(t) = Vom tan(2πft+180o)
d) Vo(t) = Vom sec(2πft+180o)
Q.8
Multiplying digital to analog converters are used in
a) All of the mentioned
b) Digitally programmable filter
c) Digitally programmable oscillator
d) Digitally controlled audio attenuator
Q.9
A 10-bit D/A converter have an output range from 0-9v. Calculate the output voltage produced when the input binary number is 1110001010.
a) ±7.96v
b) -7.96v
c) 7.96v
d) None of the mentioned
Q.10
The basic step of a 8-bit DAC is 12.4mv.If the binary inputrepresents 0v. Determine the output, if the input is 101101111?
a) 1.36v
b) 2.27v
c) 5.45v
d) None of the mentioned
0 h : 0 m : 1 s
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