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Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers

The 8T49N004A-030NLGI is an integrated Clock Generator and PLL Ceramic Oscillator module capable of frequency synthesis and frequency multiplication for a wide range of applications. It is designed to generate high output frequencies at a wide frequency range with a variety of output options. It is ideal for applications that require a high output frequency such as communications, automotive, and medical.

Application field:

The 8T49N004A-030NLGI can be used in a wide range of applications, including communications, automotive, and medical applications that require high output frequencies. It is well suited for many phenomena, including high-bandwidth serial communication and data transmission. Some of the applications that require an 8T49N004A-030NLGI Frequency Synthesizer are high definition television, satellite broadcasting, internet access, and cellular phone systems.

Working principle:

The 8T49N004A-030NLGI uses a phase-locked loop (PLL) to generate multiple output frequencies from a single input frequency. This PLL uses a voltage-controlled oscillator (VCO) to generate the output frequencies. The PLL itself is composed of two components. The first is a reference divider that divides the input frequency into a reference frequency by a chosen divider ratio. The second component is a feedback divider that divides the output of the VCO by a feedback divider ratio. The feedback divider is connected to the reference divider by a summing node. By adjusting the relationships between the reference divider and the feedback divider, the output frequency of the 8T49N004A-030NLGI can be adjusted to multiple frequencies.

The 8T49N004A-030NLGI also contains a low-frequency oscillator (LFO) that produces a continuous stream of pulses. This LFO provides a binary counter input which is used to control the frequency of the VCO output. The binary counter divides the LFO\'s frequency incrementally, allowing for finer adjustments of the frequency. By adjusting the frequency of the LFO, the output frequency of the 8T49N004A-030NLGI can be adjusted over a range of frequencies.

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