353WB5I34AT

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Oscillators

An oscillator is an electronic device which produces an output signal at a specified frequency without any external input. Oscillators are mainly used for signal generation, amplitude modulation/demodulation, frequency modulation/demodulation, and synthesis. Depending on the need, oscillators can be classified as digital or analog, digital oscillators having higher efficiency and reliability than their analog counterparts due to the reduction of number of components and elimination of parasitic noise.

The 353WB5I34AT oscillator is an example of a digital oscillator. It is designed to be used in the 3.5 GHz frequency range for signal generation and frequency synthesis applications. This oscillator utilizes a combination of surface acoustic wave (SAW) resonators and phase-locked loops (PLLs) to generate its high-frequency output signal. It has high stability and low phase noise, making it well suited for applications requiring accuracy and precision.

Application Field of 353WB5I34AT Oscillator

The 353WB5I34AT oscillator is used in various industries and applications where high-frequency signals and signal synthesis are needed, such as:

• Communication systems, including cellular radio and microwave radio
• Broadcast and cable television
• GPS systems
• Radar systems
• Test and measurement equipment
• High-speed networking applications
• Medical instruments

Working Principle of 353WB5I34AT Oscillator

The 353WB5I34AT oscillator works on the principle of frequency synthesizer. It uses a combination of SAW resonators and phase-locked loops to generate a stable and precise output signal. The SAW resonators are used as the frequency control elements, while the PLLs are utilized to ensure precision and feedback control. The oscillator first generates two frequencies from the SAW resonators, which are then combined using a multiplier. The higher frequency resulting from this combination is then fed to the PLL which is used to generate the output signal of the desired frequency.

The PLL is used because it is able to provide a highly stable output signal and low phase noise. It works in lock with the input signal, thereby eliminating the need for further frequency adjustment. The oscillator is also designed to have a fast lock time, allowing for fast frequency changes when needed. Additionally, the oscillator’s low noise figure makes it well suited for applications where signal fidelity is of utmost importance.

Conclusion

The 353WB5I34AT is a digital oscillator designed for use in applications requiring high-frequency signals and signal synthesis. It is designed with a combination of SAW resonators and PLLs for maximum stability and low phase noise. It is used in a variety of industries such as communication systems, broadcasting, and GPS systems. The oscillator is able to generate an output signal of a wide range of frequencies, with high stability and low phase noise, making it suitable for precision and accuracy applications.

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