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A Hartley oscillator is commonly used in ____. 
  • a)
    Radio Receivers
  • b)
    Radio Transmitters
  • c)
    TV Receivers
  • d)
    TV Transmitters
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
A Hartley oscillator is commonly used in ____.a)Radio Receiversb)Radio...
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:
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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Community Answer
A Hartley oscillator is commonly used in ____.a)Radio Receiversb)Radio...
A Hartley oscillator is commonly used in Radio Receivers.

Explanation:
A Hartley oscillator is a type of LC oscillator circuit that generates continuous sinusoidal waveforms. It is commonly used in radio receivers for generating a radio frequency (RF) signal for demodulation and amplification.

Components of a Hartley Oscillator:
1. Inductor (L): The Hartley oscillator uses an inductor in its tank circuit to store and release energy as the circuit oscillates. The inductor is usually a coil of wire wound on a ferrite or air core.

2. Capacitor (C): The tank circuit of the Hartley oscillator also includes a capacitor. The capacitor, along with the inductor, forms a resonant circuit that determines the frequency of oscillation.

3. Transistor: The Hartley oscillator requires an active device to amplify and sustain the oscillations. A transistor, typically a bipolar junction transistor (BJT) or a field-effect transistor (FET), is commonly used as the active component in the circuit.

Working Principle:
The Hartley oscillator operates on the principle of positive feedback. The tank circuit formed by the inductor and capacitor stores energy and oscillates at a specific frequency determined by the values of the inductor and capacitor. The transistor amplifies the oscillations and feeds them back into the tank circuit, maintaining the oscillations.

Advantages of Hartley Oscillator:
1. Simplicity: The Hartley oscillator circuit is relatively simple and easy to design and implement.

2. Wide Frequency Range: The Hartley oscillator can generate frequencies ranging from a few kilohertz to several megahertz, making it suitable for various applications.

3. Stability: The Hartley oscillator provides good frequency stability due to the inherent resonant nature of the tank circuit.

4. Low Harmonic Distortion: The Hartley oscillator produces low distortion output waveforms, making it suitable for applications requiring high fidelity.

Applications in Radio Receivers:
In radio receivers, the Hartley oscillator is used to generate a stable RF signal that is then mixed with the incoming modulated signal for demodulation. The generated RF signal is also amplified to a suitable level for further processing and amplification stages in the receiver.

Overall, the Hartley oscillator is a commonly used circuit in radio receivers due to its simplicity, stability, and ability to generate a wide range of frequencies.
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A Hartley oscillator is commonly used in ____.a)Radio Receiversb)Radio Transmittersc)TV Receiversd)TV TransmittersCorrect answer is option 'A'. Can you explain this answer?
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