196. In phase shift oscillators, for phase shift which of the following can be used?

1. 1. RC network

   
   
   

   2. Voltage shunt feedback

   
   
   

   3. Emitter follower

   
   
   

   4. Any of the above

   
   
   

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   NA

   Correct Option: D

   NA

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197. In phase shift RC network the basic amplifier used is:

1. 1. CB

   
   
   

   2. CC

   
   
   

   3. CE

   
   
   

   4. any of these

   
   
   

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   NA

   Correct Option: C

   NA

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198. The frequency of oscillation for a RC phase shift network is given by:

1. 1. 1

      √RC

   
   
   

   2. 1

      2π √RC

   
   
   

   3. 1

      2π √6RC

   
   
   

   4. 1

      √2πRC

   
   
   

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   NA

   Correct Option: C

   NA

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199. For linear oscillations, in which the output is sinusoidal with little distortion, the loop gain should be:

1. 1. 0.5

   
   
   

   2. less than unity

   
   
   

   3. unity

   
   
   

   4. slightly greater than unity

   
   
   

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   NA

   Correct Option: D

   NA

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200. In RC oscillators, positive feedback is achieved by shifting the output signal through:

1. 1. one RC combination

   
   
   

   2. two RC combinations

   
   
   

   3. three RC combination

   
   
   

   4. any of the above.

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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