AX7PBF4-983.0400C

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Oscillators

Oscillators are electronic circuits that generate continuous or periodic electromagnetic energy signals. Oscillators are widely used in radio, television, radar, navigation, and communications systems. Oscillators are also found in many industrial electronic control systems.

The AX7PBF4-983.0400C oscillator is an advanced, customizable, frequency synthesizer and PLL combination component. It is a programmable oscillator utilizing a dual-phase locked loop (DPLL) architecture for the generation of precision frequency signals. It is designed to operate with supply voltages of 3.3 V and 5.0 V, and an operating temperature range of -40°C to +85°C.

Applications

The AX7PBF4-983.0400C is ideal for a variety of applications, including wireless communications, RF transceivers, digital set-top boxes, ISM radio systems, digital video broadcasting (DVB) systems, and other applications that require precise, stable frequencies. It is also suitable for a range of industrial applications such as automotive, medical, and aerospace/defense.

Features

The AX7PBF4-983.0400C oscillator offers a number of features that make it versatile for a variety of applications. These features include:

• Frequency range of 0.9 to 3.6GHz
• Integrated VCO, output buffer, and PLL circuitry
• Wide selection of phase noise control options
• Multiple output frequency options
• Integrated thermal management for improved frequency stability
• Flexible programming control options
• Small size and low power consumption

Working Principle

The AX7PBF4-983.0400C oscillator uses a DPLL architecture, which consists of two interconnected PLLs that operate in lock-step. PLLs are used to improve phase noise and enable the oscillator to synchronize with an external reference frequency. The first PLL is used to track the external reference frequency, and the second PLL, known as the output PLL, is used to generate the required output frequency. The phase noise of the oscillator is determined by the performance of the output PLL.

The programming of the AX7PBF4-983.0400C oscillator is done using a serial control bus (I2C/SPI). By providing the appropriate control signals, the user can configure the oscillator parameters such as frequency, phase noise, and power consumption. Additionally, the oscillator can be configured to generate multiple output frequencies, enabling it to be used in multiple applications with a single component.

Conclusion

The AX7PBF4-983.0400C oscillator delivers superior performance with low power consumption and a small footprint. It is an ideal solution for applications requiring accurate frequency control in a wide variety of applications. Thanks to its programmable features, the AX7PBF4-983.0400C can easily be customized to meet the specific requirements of an application.

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