8D017J02AD

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The 8D017J02AD is a digital frequency synthesizer that offers high-accuracy tuning over a wide frequency range. It is often used in radio communications equipment, satellite communication systems, cellular base station systems, and other related radio systems. The 8D017J02AD is a component of the radio receiver and is responsible for controlling the frequency at which the system operates.

The 8D017J02AD is based on a direct-frequency synthesizer architecture. It utilizes a phase-locked loop (PLL) to generate a frequency that is controlled by a voltage-controlled oscillator (VCO). The PLL consists of both a reference oscillator and a voltage-controlled oscillator, which are connected to each other via an analog multiplier. The reference oscillator produces the reference frequency, which is then used to compare to the frequency generated by the VCO. Any difference between the two frequencies is used to adjust the VCO output to match the reference frequency. This process ensures that the output frequency is always accurately controlled.

The 8D017J02AD offers precision tuning with a frequency resolution of 1Hz. It is designed to provide frequencies ranging from 10MHz to 450MHz and power levels up to 5dBm. Additionally, the 8D017J02AD offers exceptional phase noise and harmonic suppression. This is thanks to the use of an embedded inter-stage filter that assists in keeping unwanted noise from entering the circuit.

The 8D017J02AD also offers a high level of integration and is designed for surface mounting. It requires a single +3.2V supply voltage for operation and has an enable/disable control pin. It also has an open collector reset pin, allowing for faster system startup and an area for programming on-chip firmware.

In summary, the 8D017J02AD digital frequency synthesizer is an ideal choice for radio receivers and other similar applications due to its wide frequency range, precision tuning, and high levels of integration. It offers a simple and effective solution for obtaining precisely controlled frequencies in these types of applications, making it a popular choice for producers of radio communication equipment, satellite communication systems, and cellular base stations.

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