NB2308AC3DR2

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The NB2308AC3DR2 is a highly-integrated Clock Generators, PLLs, and Frequency Synthesizer. It is a single 7-stage clock generator with two programmable PLLs and one crystal oscillator, making it the perfect choice for a variety of high-performance applications.

The working principle of the NB2308AC3DR2 is based on several integrated components. It begins with an ultra-low power synthesizer, which is designed to reduce the clock jitter while increasing the power efficiency of the entire system. This synthesizer is used to generate a frequency based on two ‘divide by’ values (D1, D2) and a modulation frequency. These settings can be adjusted in order to generate any arbitrary frequency between the F0 and F7 points. These F-points represent the reference frequencies used when the synthesizer is operating in its power saving mode. The frequencies can be individually set to desired values.

The output of the synthesizer is then used to feed the on-chip programmable PLLs. The PLLs are controlled by two control signals: the reference clock enable (RCE) and the enable control enable (ECE). The RCE allows the clock dividers to be set in a free running mode or a triggered mode. The ECE allows the clock dividers to be set in either a reset or a non-reset state.

The output of the PLLs is then combined with two clock outputs (D0, D1) to generate the final clock output. The NB2308AC3DR2 also supports two reference clocks, two independent PLLs, two independent crystal oscillator inputs, and two additional clock outputs. The reference clock is pre-programmed to 500 kHz, while the crystal oscillator is pre-programmed to 8 MHz. The crystal oscillator allows the NB2308AC3DR2 to be used as a jitter-reduction system in high-performance applications.

The NB2308AC3DR2 has a wide range of application fields ranging from telecommunications systems, audio and video equipment, computer storage and networking, industrial control and process automation.

In telecommunication systems, the NB2308AC3DR2 can be used as a master clock generator for data communication applications, such as GSM, CDMA and Bluetooth. The crystal oscillator can be programmed to provide a low jitter clock signal, while the two PLLs allow the system to be synchronized with an external clock source.

In audio and video equipment, the Clock Generators, PLLs and Frequency Synthesizers on the NB2308AC3DR2 can be used for data multiplex and rate conversion. The output of the PLLs can be used to generate a clock signal for audio and video decoding, as well as for clocking in external components.

In computer storage, the clock outputs from the NB2308AC3DR2 can be used to control the transfer speed of hard drives, DVDs, and other optical storage devices. The PLLs can also be used to reduce the effects of jitter on the data interface, while the synthesizer can provide frequency tuning so that the system can operate at faster speeds without increasing power consumption.

In industrial automation, the NB2308AC3DR2 can be used to synchronize processes between systems with different clock sources. The PLLs can be used to generate a clock signal with low jitter that is compatible with multiple devices, while the crystal oscillator can provide a reliable signal for clocking in external components.

Overall, the NB2308AC3DR2 is a powerful and versatile Clock Generator, PLL, and Frequency Synthesizer that can be used in a variety of applications. Its on-chip components provide flexibility and power efficiency, while its frequency tuning functions allow it to be used for a range of high-end applications.

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