LMX2346TMX/NOPB

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Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers technology has made tremendous advances in recent decades with regards to its application in the electronics industry. In this article, we will discuss the LMX2346TMX/NOPB application field and working principle.

The LMX2346TMX/NOPB is a precision clock signal generator with an adjustable frequency range and resolution. It is optimized to produce high-precision, ultra-low-jitter clock signals, and it is capable of generating clock signal frequencies up to 1.55GHz with a resolution of ±1ppm. It uses a low-power, digitally controlled synthesizer architecture, which allows for programmable, stable and precise operation. The LMX2346TMX/NOPB also offers phase noise suppression and excellent power supply noise immunity.

The LMX2346TMX/NOPB is optimized for generating clock signals for communications, data storage, computing, and other applications requiring precise and stable frequencies, such as clocking ASICs and FPGAs. Its flexible operation allows for the generation of a variety of clock frequencies and duty cycles with minimum jitter for operation of high-speed and high-resolution devices.

The LMX2346TMX/NOPB features a digital locked loop (DLL) based frequency synthesis architecture, and it uses a single, externally provided reference clock. The reference clock can be an external crystal oscillator or an external clock signal, and it is used to calculate and generate the precise, programmable output clock frequency. The frequency synthesis can be manually adjusted using the onboard dipswitches, or it can be digitally adjusted using the serial programming interface.

The LMX2346TMX/NOPB uses a digital phase-locked loop (PLL) circuitry to ensure precise operation. The PLL utilizes three PLL-based functions in order to provide precise and stable operation. These functions are: frequency multiplication, phase tracking, and frequency modulation. Frequency multiplication is used to change the frequency of the generated clock signal. Phase tracking is used to adjust the frequency of the generated signal to match the frequency of the reference signal. Frequency modulation is used to adjust the phase of the generated signal and to reduce jitter.

The LMX2346TMX/NOPB also provides a wide range of adjustable settings for the output clock signal. These settings include: output frequency, duty cycle, ramp rate, propagation delay, clock skew, rise/fall times, slew rate, and emitter follower output. These adjustable features allow designers to customize the clock signal to the specific needs of the application.

Overall, the LMX2346TMX/NOPB is an excellent choice for applications requiring precise and stable clock frequencies and jitter performance. It is ideal for use in communications, data storage, computing, and other applications where precise, low-jitter clock signals are required. The LMX2346TMX/NOPB is available in a variety of packages, making it a flexible and cost-effective choice for a wide range of applications.

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