A Hartley oscillator is commonly used in ____. 

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RRB ALP CBT 2 Electronic Mechanic Previous Paper: Held on 23 Jan 2019 Shift 1
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  1. Radio Receivers
  2. Radio Transmitters
  3. TV Receivers
  4. TV Transmitters

Answer (Detailed Solution Below)

Option 1 : Radio Receivers
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Detailed Solution

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Hartley Oscillator:

In a Hartley oscillator the positive output freed-back is inductively coupled by tank circuit consisting inductor coil with center tap.

The tank circuit of Hartley Oscillator is shown:

F2 R.D M.P 29.07.19 D 2

Applications

  • The Hartley oscillator is to produce a sine wave with the desired frequency
  • Hartley oscillators are mainly used as radio receivers
  • The Hartley oscillator is Suitable for oscillations in RF (Radio-Frequency) range, up to 30MHZ
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