Question

which is the following osillators is suitable for frequencies in the range of mega hertz?
A) RC phase shift
B) Wien bridge
C) Hartley
D) both (a) &(b) ​

Answer 1

(c) Hartley oscillator

it is a Lc oscillator.

Lc oscillator are suitable for frequencies in the range of mega hertz.

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Answer 2

Answer:

The right answer to the given question is option (C):  Hartley.

Explanation:

• Oscillators are mechanical or electrical devices that follow the oscillation principle.
• These are normally used in the conversion of dc signals to period ac signals to set frequencies.
• For megahertz frequency range LC oscillators are appropriate.
• Hartley oscillators are harmonic oscillators whose frequency range is measured by LC oscillators.
• Its tuned circuit is made of a single capacitor connected in parallel with two series inductors.
• Generation of radio frequencies is done by this oscillator.
• So, the frequency range of the Hartley Oscillator is from 20 kHz to 30 MHz.

Therefore among all the given oscillators, only the Hartley oscillator has a frequency range of megahertz.