ADF4155BCPZ

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The ADF4155BCPZ is an integrated, monolithic, high-frequency integer-N frequency synthesizer that offers excellent phase noise and spurious performance for a wide range of applications such as cellular basestations, military communications and other wireless systems. The device provides a low-power, fractional-N frequency synthesizer with a dual-modulus prescaler, a programmable reference divider, a programmable charge pump, and a programmable output divider. The ADF4155BCPZ provides reliable operation and excellent performance with an integrated VCO that allows it to be easily adapted to a wide range of applications.

The application field of the ADF4155BCPZ is in the design of clock generation and clock synchronization circuits. This device offers excellent phase noise performance in the VCO output, low power consumption, and an integrated charge pump to simplify design. Its dual-modulus prescaler and programmable output divider make it suitable for a wide range of applications requiring precision frequency control.

The working principle of the ADF4155BCPZ is based on a fractional-N frequency synthesizer, with the fractional-N ratio obtained by dividing a reference frequency signal by a programmable divider, after which the reference frequency speeds up or down by a particular amount, resulting in the precise frequency of the output VCO signal. The device further includes a loop filter which can be configured to adjust the VCO output frequency for a wide range of applications. The ADF4155BCPZ can also be programmed to achieve different operating modes, such as voltage controlled, direct digital synthesis, or programmable output divider.

The ADF4155BCPZ can also be used to generate fractional-N or integer-N PLL systems in high frequency applications up to 2.1 GHz. The device includes a programmable reference divider and a charge pump, making it easy to set the desired frequency and adjust the phase of the output clock. The device also includes an integrated voltage-controlled oscillator, allowing it to be easily adapted to a wide range of applications requiring precise frequency control.

The ADF4155BCPZ is ideal for use in a wide range of clock generation and clock synchronization applications, such as basestations and other wireless communications systems. It provides excellent phase noise performance and reliable operation, making it an excellent choice for applications where precise frequency control and low-power consumption are important. The device can also be easily programmed for different operating modes, making it suitable for a wide range of applications.

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