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The frequency of oscillations produced by the Colpitt's oscillator shown in the figure is (values of components are given): 

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  1. 870 kHz
  2. 528 kHz
  3. 1050 kHz
  4. 435 kHz

Answer (Detailed Solution Below)

Option 2 : 528 kHz
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Detailed Solution

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Concept:

The circuit diagram of the transistorized Colpitts Oscillator is shown below.

The frequency of oscillations is given by,

Calculation:

Given that, L = 100 μH, C1 = 0.001μF , C2 = 0.01μF

The frequency of oscillations 

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