Sine wave oscillator
The sine wave oscillator circuit operates by utilizing a combination of capacitors and resistors to generate a stable sine wave output. The frequency of oscillation is primarily determined by the values of the capacitors and resistors in the circuit. In this particular design, the three capacitors (C1, C2, and C3) are configured in such a way that their total capacitance influences the oscillation frequency.
To calculate the frequency of oscillation, the formula typically used is:
\[ f = \frac{1}{2\pi RC} \]
where \( f \) is the frequency in hertz, \( R \) is the resistance in ohms, and \( C \) is the total capacitance in farads. In this circuit, the total capacitance of 100 pF is achieved by combining C1, C2, and C3 in parallel. The ability to modify the values of these capacitors allows for fine-tuning of the output frequency, ranging from a minimum of 5 Hz to a maximum of 5 kHz.
For practical implementation, the resistors used in conjunction with the capacitors must also be selected carefully to ensure stability and linearity of the output waveform. The circuit may include additional components such as operational amplifiers to buffer the output signal, ensuring that the sine wave is not distorted by the load connected to it.
Overall, the sine wave oscillator circuit is useful in various applications, including signal generation for testing, audio applications, and modulation schemes in communication systems. Proper layout and component selection are critical to achieving the desired performance characteristics of the oscillator.This scheme is sine wave oscillator, with frequency from 5 Hertz up to 5 KHZ. Capasitor C1, C2, C3 altogether valuable 100pF, yielded frequency 5 KHZ. To get other frequency magnitude of we ready to change value at C1, C2 and C3, like under this. 🔗 External reference
Related Circuits
A typical circuit operating at 20 MHz is illustrated. The crystal, featuring an internal series resistance (Rs) of 14 ohms, oscillates at its third harmonic frequency. Diode clamps D1 and D2 ensure constant amplitude control. The transistor functions continuously...
The notch filter can be integrated into nearly any receiver to attenuate a specific frequency by more than 30 dB. This filter is particularly useful for diminishing heterodynes and whistles. A notch filter, also known as a band-stop or band-reject...
This RF oscillator is effective up to 30 MHz. An SK 3007 PNP transistor is recommended. The described RF oscillator circuit operates within a frequency range of up to 30 MHz, making it suitable for various applications in radio frequency...
The oscillator transistor is Q1, and the crystal is placed between the collector and base. Feedback is improved by the use of the collector-emitter capacitor C2. Transistor Q2 is used as an output buffer. The circuit described features an oscillator...
The circuit produces a clean sine wave signal suitable for audio testing or other applications requiring a high-quality sine voltage source. It utilizes a widely available dual operational amplifier, the Texas Instruments TL072CP. The component values yield an output...
The Armstrong oscillator is utilized to generate a sine-wave output with a constant amplitude and fairly stable frequency within the RF range. It is commonly employed as a local oscillator in receivers, as a source in signal generators, and...