ASM3P2814AF-08SR

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ASM3P2814AF-08SR is a frequency synthesizer module designed and manufactured by Silicon Labs, suitable for frequency-agile, low-power wireless applications. It is based on an integrated, low-power CMOS single-chip frequency synthesis synthesizer that integrates a phase-locked loop (PLL) and a frequency divider with a fractional-N synthesizer and a frequency adjuster to quickly and accurately tune the output frequency. The frequency synthesizer is designed to generate frequencies in the range of 300MHz to 6GHz.

Product Features:

• Fractional-N Frequency Synthesis Synthesizer
• Frequency Range: 300MHz to 6GHz
• High Frequency Resolution and Sensitive Tuning Voltage Control
• Low Power Consumption
• 3 Fast-Locking Configuration Options
• Integrated VCO, PLL, Frequency Divider and Frequency Adjuster

Application Field:

ASM3P2814AF-08SR can be used in a variety of applications in which frequency agility and low power consumption are essential. It is especially well-suited for frequency-agile low-power wireless applications such as cellular, WiMAX, LTE and general digital broadcasting. It can be used for short-range devices (SRD), FFSK receivers, DAB transmitters, digital radio links and transmitting applications.

Working Principle:

The frequency synthesizer module integrates a phase-locked loop (PLL) with a frequency divider, a fractional-N synthesizer, and a frequency adjuster to quickly and accurately tune the output frequency. The integrated PLL works by comparing the frequency of the feedback signal to a reference frequency and then adjusting the voltage on the voltage tunable frequency divider. The PLL constantly compares the two frequencies to ensure the frequency of the feedback signal is the same as the reference frequency. The output frequency of the frequency synthesizer is the division ratio multiplied by the reference frequency.

The fractional-N synthesizer is used to optimize the frequency resolution by adding an additional division in the fractional-N synthesis process. This allows for higher frequency resolution and eliminates the need for an external voltage controlled oscillator (VCO). The onboard VCO is used to generate a frequency signal based on the division ratio and can be tuned to any frequency from the range of 300MHz to 6GHz. Finally, the frequency adjuster is used to quickly and accurately adjust the frequency of the output signal, allowing for fast frequency tuning.

Conclusion:

ASM3P2814AF-08SR is an ideal solution for frequency-agile, low-power wireless applications due to its fractional-N frequency synthesis synthesizer, VCO, PLL, frequency divider and frequency adjuster, and its wide frequency range of 300MHz to 6GHz. With its integrated components and low power consumption, it is quick and easy to set up, and provides optimized frequency resolution and sensitive tuning voltage control.

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