To determine which of the given options is a type of RC Oscillator, we need to understand the concept of RC Oscillators and their types.
RC Oscillators are a type of electronic oscillator circuit that uses a combination of resistors (R) and capacitors (C) to produce an oscillating output signal. The most common type of RC Oscillator is the Phase Shift Oscillator.
Let's go through each of the provided options:
- Hartley Oscillator: This is an LC Oscillator, which uses inductors and capacitors to determine the oscillation frequency. It is not an RC Oscillator.
- Crystal Oscillator: This oscillator uses a piezoelectric crystal to control the frequency. It does not belong to the RC category.
- Colpitts Oscillator: Similar to the Hartley Oscillator, this also falls under the LC Oscillator type, utilizing inductors and capacitors.
- Phase Shift Oscillator: This is indeed a type of RC Oscillator. It uses resistors and capacitors to produce the necessary phase shift required for oscillation.
Conclusion: The correct answer is the Phase Shift Oscillator, as it is the only option that is categorized as an RC Oscillator, utilizing resistors and capacitors in its design.
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