ASSFLP1-C12

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Programmable oscillators come in a variety of implementations, but all possess the ability to generate signals at specific frequencies without the need for manual adjustment. The most common type of programmable oscillator is the ASSFLP1-C12. This device allows users to set the frequency by inputting appropriate data, making it ideal for frequency control applications.

Overview

The ASSFLP1-C12 is a digital frequency synthesis programmable oscillator, characterized by its low cost and high performance. The oscillator is configured to generate a stable output frequency within the range of 10 to 25MHz, with tolerance levels of 0.1 or 0.3ppm (parts per million). The device is composed of two parts: a frequency synthesizer and a voltage controlled oscillator (VCO). The maximum output frequency range can be extended by adding an external voltage-controlled oscillator to the circuit.

Working Principle

The frequency synthesizer supplies a clock signal (fclk) to the voltage-controlled oscillator (VCO). This clock signal is divided down by a factor of four and an internal oscillator sets the output frequency of the device. The oscillator is then output through an amplifier. The frequency is changed by inputting an appropriate data value through an I2C interface. This data value is used to adjust the frequency divisions of the clock signal, which in turn, adjusts the output frequency.

Application Fields

Due to its low cost and high precision characteristics, the ASSFLP1-C12 is ideal for many applications requiring frequency control. The most common application fields include radio frequency (RF) modules and equipment, data converters, and satellite communication systems. Additionally, by programming the frequency division values with an I2C interface, the device can be utilized for audio and video applications, such as frequency division multiplexing (FDM).

Conclusion

The ASSFLP1-C12 is an ideal device for applications requiring frequency control due to its low cost and stability. Its two component parts, a frequency synthesizer and voltage controlled oscillator, allow for great flexibility and accuracy when controlling output frequency. These features make it an ideal choice for a variety of applications, including RF modules and equipment, audio and video systems, and data converters.

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