2308A-4DCG8

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Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers – 2308A-4DCG8 application field and working principle

Clock and timing products are essential components in modern electronics. Clock generators and pulse-locked loop (PLL) are two commonly used products in clock timing systems. Frequency synthesizers are used to generate an output frequency that is a multiple of an input reference frequency. The 2308A-4DCG8 is a frequency synthesizer specifically designed for wireless communications applications.

The 2308A-4DCG8 is a member of the family of voltage controlled oscillator (VCO) frequency synthesizer devices. This device includes a programmable two stage prescaler and two frequency multiplication stages. It operates over the frequency range of 0.05MHz to 15MHz with an output voltage range of 0.8 to 1.63V. This device is designed to work with an input reference frequency of 10 MHz. It has a wide tuning frequency range of over 900MHz with an excellent temperature compensation range of up to ±500ppm.

The 2308A-4DCG8 is a dual clock generator with two independent output stages – Stage 1 is a main clock output with an output clock frequency range of 10MHz to 60MHz, and Stage 2 is a sub clock output with an output frequency range of 0.5MHz to 15MHz. It can output up to 3.3V supply voltage with a power consumption of 7mA. The device also supports programmable frequency offset and power management. This device is compatible with the HNS (Hardware Network Switch) technology to provide low power consumption.

The 2308A-4DCG8 features programmable frequency multiply/divide functions with an automatic power control. The frequency output is programmable directly through the I2C bus. A Frequency Lock is available which allows the device to operate with a fixed frequency output. This device also features an automatic frequency offset adjustment in case of power supply variation. It is designed to minimize spurious output content, even when operating in a noisy environment.

The 2308A-4DCG8 is suitable for applications in wireless communication systems, digital television receivers, automotive electronics, instrumentation and test equipment. This device is also suitable for other industrial applications such as medical, avionics, data communication and telecom systems.

The working principle of the 2308A-4DCG8 VCO frequency synthesizer is as follows. The device uses a 10 MHz input reference clock to generate an output frequency. This output frequency is programmable using an I2C interface. The output frequency is generated from two independent frequency multiplication stages, which can provide up to 15MHz clock output. The device has a dual output stage for the 1MHz and 60MHz frequencies with a programmable frequency offset. The 2308A-4DCG8 also features automatic power management and calibration to reduce power consumption and keep the output frequency stable over time.

The 2308A-4DCG8 frequency synthesizer is a highly integrated clock generator providing a low-cost solution for clock applications requiring precise frequency control. This device is designed to offer an easy to use and flexible solution for a wide range of clock timing applications.

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