RC Phase Shift Oscillator Formula & Frequency Calculator
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This calculator is designed to compute the frequency of a 3-stage RC Phase Shift Oscillator based on the values of resistance (R) and capacitance (C). The RC Phase Shift Oscillator is a type of electronic oscillator that generates sine waves. It is widely used in audio applications and signal generation.
There are different ways RC phase shift oscillator can be designed. The most common design is the 3-stage RC phase shift oscillator, which consists of three RC networks that provide the necessary phase shift for oscillation to occur. The common circuits include BJT-based RC phase shift oscillator, FET-based RC phase shift oscillator, and op-amp based RC phase shift oscillator.
EXAMPLE Calculation:
INPUTS:
- Resistor, R = 10 KOhm
- Capacitor, C = 0.01 Microfarads
OUTPUT:
- RC Phase Shift Oscillator Frequency, f = 649.74 Hz
- RC Phase Shift Oscillator Frequency, f = 0.000649 MHz
3-Stage RC Phase Shift Oscillator Formula

In the equation following parameters are used :
- f: Frequency of the oscillator (in Hz)
- R: Resistance (in Ohms)
- C: Capacitance (in Farads)
The frequency of oscillation is determined by the values of the resistors and capacitors in the circuit, and it can be calculated using the formula provided in this calculator. By inputting the values of R and C into the formula, you can easily calculate the frequency of the oscillation produced by the RC Phase Shift Oscillator.
Conclusion
The RC Phase Shift Oscillator is a fundamental component in electronic circuit design, and understanding its frequency calculation is crucial for engineers and hobbyists alike. This calculator provides a convenient way to determine the output frequency based on the resistance and capacitance values, making it easier to design and analyze circuits that utilize the RC Phase Shift Oscillator. By using this calculator, you can quickly and accurately compute the frequency, allowing for efficient circuit design and optimization.
References
- Sedra, Adel S., and Kenneth C. Smith. “Microelectronic circuits.” (1998).
- Boylestad, Robert L., and Louis Nashelsky. “Electronic devices and circuit theory.” (2002).
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