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843252AG-04LF Application Field and Working Principle

843252AG-04LF is a clock generator module, which is used for generating frequency and providing specific timing requirements for automation devices, communication systems and industrial equipment. It is a frequency synthesizer PLL that generates completely programmable clock outputs from an external reference. This module is mainly used in those kind of applications where multiple frequencies are required from a single oscillator.

Features of 843252AG-04LF

• Frequency range: 5 kHz to 50 MHz
• User programmable for multiple outputs
• Low phase noise
• Cycle-to-cycle jitter: ≤ 0.5 ps
• External reference input: Low Noise LVCMOS, LVDS, LVPECL
• 5V / 3.3V dual voltage tolerance
• Optional power down and reset pins

The 843252AG-04LF is an integrated, highly integrated frequency synthesizer PLL designed specifically for high performance applications, providing outstanding phase noise and cycle-to-cycle jitter performance. It can be used with a wide range of frequencies from low frequencies up to 50 MHz.

Operation Principle of 843252AG-04LF

The 843252AG-04LF operates using a fractional-N digital PLL (phase-locked loop) topology for frequency multiplication. In this topology, a reference frequency is fed into the frequency synthesizer, and the frequency divider divides the input frequency by a multiple of the reference. This divided signal is then compared to the output clock signal, which is generated by the VCO (voltage controlled oscillator). The VCO is designed to have a wide tuning range, and its output can be adjusted and “locked” on any frequency within its range. The PLL then automatically adjusts the VCO output signal to the exact frequency selected, resulting in the exact required frequency output.

The 843252AG-04LF operates over a wide range of frequencies from very low frequencies up to 50 MHz, and is programmable via a serial interface. The frequency synthesizer also has a low phase noise, which is important for clock signals used in high-performance applications where jitter performance and skew need to be as low as possible.

Applications of 843252AG-04LF

The 843252AG-04LF is widely used in a variety of applications, such as:

• Automation devices
• Communication systems
• Industrial equipment
• Automotive applications
• Servers/Switches
• Telecommunications systems
• Wireless communication systems
• Multi-channel systems

The 843252AG-04LF is a highly integrated frequency synthesizer PLL that provides an excellent combination of performance and power efficiency. Its wide frequency range and programmable clock outputs make it ideal for a range of clock applications, from low frequency to high frequency clock generation.

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