Operational Amplifier Application MCQ 1. An inverting amplifier that amplifies dc input level is called A. DC and AC amplifier B. AC amplifier C. DC amplifier D. None of the mentioned 2. Why DC amplifier uses offset null circuitry? A. To reduce the distortion in the output B. To improve the accuracy of …
1. Differentiation amplifier produces A. Output waveform as the integration of input waveform B. Input waveform as the integration of output waveform C. Output waveform as derivative of the input waveform D. Input waveform as derivative of the output waveform 3. Determine the output voltage of the differentiator? A. VO = RF×C1×[dVin/dt]. B. VO = -RF×C1×[dVin/dt]. …
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1. The circuit in which the output voltage waveform is the integral of the input voltage waveform is called A. Integrator B. Differentiator C. Phase shift oscillator D. Square wave generator 2. Find the output voltage of the integrator A. Vo = (1/R×CF)×t∫0 Vindt+C B. Vo = (R/CF)×t∫0 Vindt+C C. Vo = (CF/R)×t∫0 Vindt+C D. Vo = (R×CF)×t∫0 Vindt+C 3. Why …
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1. Determine output voltage of analog multiplier provided with two input signals Vx and Vy. A. Vo = (Vx ×Vx) / Vy B. Vo = (Vx ×Vy / Vref C. Vo = (Vy ×Vy) / Vx D. Vo = (Vx ×Vy) / Vref2 2. Match the List-I with list-II List-I List-II 1. One quadrant multiplier i. Input 1- Positive, Input 2- Either positive or …
1. Which of the following functions does the antilog computation required to perform continuously with log-amps? A. In(x) B. log(x) C. Sinh(x) D. All of the mentioned 2. Find the output voltage of the log-amplifier A. VO = -(kT)×ln(Vi/Vref) B. VO = -(kT/q)×ln(Vi/Vref) C. VO = -(kT/q)×ln(Vref/Vi) D. VO = (kT/q)×ln(Vi/Vref) 3. How to provide saturation current …
1. Which of the following circuit has the highest input resistance? A. Voltage follower B. Inverting amplifier C. Differential amplifier D. None of the mentioned 2. Find the bias current from the given circuit A. 30mA B. 3mA C. 0.30mA D. 0.03mA 3. How to choose an op-amp when working with high input …
1. The output current equation for MC1408 digital to analog converter would be A. Io= -(Vref/R1)×[(D7/2)+(D6/4)+(D5/8)+(D4/16)+(D3/32)+(D2/64)+(D1/128)+(D0/256)]. B. Io= (Vref/2R1)×[(D7/2)+(D6/4)+(D5/8)+(D4/16)+(D3/32)+(D2/64)+(D1/128)+(D0/256)]. C. Io= (Vref/R1)×[(D7/2)+(D6/4)+(D5/8)+(D4/16)+(D3/32)+(D2/64)+(D1/128)+(D0/256)]. D. Io= -(Vref/2R1)×[(D7/2)+(D6/4)+(D5/8)+(D4/16)+(D3/32)+(D2/64)+(D1/128)+(D0/256)]. 2. Determine the maximum value of output current of the DAC in MC1408? A. 0.773×(Vref/R1) B. 0.448×(Vref/R1) C. 0.996×(Vref/R1) D. 0.224×(Vref/R1) 3. Determine the range or the output …
1. Voltage to current converter is also called as A. Current series positive feedback amplifier B. Voltage series negative feedback amplifier C. Current series negative feedback amplifier D. Voltage series positive feedback amplifier 2. Given voltage to current converter with the floating load. Determine the output current? A. 3mA B. 6mA C. 4mA D. …
1. Voltage to current converter is also called as A. Current series positive feedback amplifier B. Voltage series negative feedback amplifier C. Current series negative feedback amplifier D. Voltage series positive feedback amplifier 2. Given voltage to current converter with the floating load. Determine the output current? A. 3mA B. 6mA C. 4mA D. …
1. Strain gauge is an example of which device? A. Transducer B. Voltage follower C. Integrator D. Differentiator 3. Transmission lines are used for A. Output signal B. Input signal C. Signal transfer D. All of the mentioned 4. The length of the transmission lines are A. Longer than 10 meters B. Shorter …
