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Oscillators

Oscillators are circuits used to produce a periodic waveform, usually a sine, square or triangular waveform at a given frequency. They are commonly used as clock signals in digital circuits. The 353VB5A24FT is a microprocessor-based oscillator used to generate high-precision frequency and time bases. It is capable of producing precise frequency and phase locked signals ranging from 20 Hz to 16 MHz with 1 Hz resolution.

353VB5A24FT Application Field

The 353VB5A24FT oscillator is widely used in a range of different applications, including frequency control in circuits such as:

• sonar
• radar
• data transmission systems
• studio production equipment
• radio modulation
• environment monitoring
• telemetry
• laboratory instruments
• audio systems
• air traffic control systems
• digital storage oscilloscopes
• measuring equipment
• satellite navigation systems.

The 353VB5A24FT oscillator is also suitable for use in vibration-free environments, such as spacecraft systems and avionics, where a low phase noise level is essential.

353VB5A24FT Working Principle

The 353VB5A24FT is a programmable oscillator which means that it can be programmed to a precise frequency and phase locked to a reference input. The oscillator works by combining a crystal oscillator with a phase locked loop (PLL) circuit which, in combination, produces a stable signal. The crystal oscillator is used as a reference frequency and the PLL is used to keep the frequency and phase of the output signal constant.

The oscillator uses a voltage-controlled oscillator (VCO) and a digital frequency synthesizer (DFS) to create a precise output. The VCO produces an output signal that is fed into the DFS which tunes the signal to the desired frequency. The DFS also provides programmable functions such as frequency selection, frequency trimming, frequency multiplication, phase shift control and harmonic suppression.

The oscillator also employs a set of digital filters and noise-canceling logic to reduce noise and phase noise. The filters also work to keep the phase noise of the output signal at very low levels, allowing the oscillator to produce very precise signals. The oscillator also has a temperature stability of ±5ppm over a range of -40°C to +85°C.

Conclusion

In conclusion, the 353VB5A24FT oscillator is a high-precision microprocessor-based oscillator which can be used in a variety of applications where stability and accuracy is essential. It is able to produce precise frequencies and phase locked signals ranging from 20 Hz to 16 MHz with 1 Hz resolution, and provides programmable functions such as frequency selection, frequency trimming, frequency multiplication, phase shift control and harmonic suppression. The oscillator also has a temperature stability of ±5ppm over a range of -40°C to +85°C, making it suitable for use in vibration-free environments.

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