LC72137MA-AE

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The LC72137MA-AE is a versatile clock generator/frequency synthesizer with a host of configurable parameters, offering a suitable solution for telecom, datacom and various other industrial applications. This product is equipped with a low-speed Serial Peripheral Interface (SPI) with an efficient clocking scheme, making it the perfect timing solution for applications where extremely low jitter and reliability are the primary criteria. It is designed to operate up to 6 different frequency outputs and up to 4 different output voltages, making it an ideal solution for a wide range of applications including cellular base stations, wireless transmitters, routers and set-top boxes.

The LC72137MA-AE is based on a dedicated closed-loop Multi-pulse feedback design with a sampling rate of 64x the network clock; this ensures that it can accurately calculate the necessary phase shift and keep the oscillator frequency within a stable range. With its intelligent adjustment algorithm, the LC72137MA-AE offers flexible frequency configuration in a small package. It features a fractional-N phase-locked loop (PLL) with a built-in 14-bit parallel-port clock divider, enabling it to generate a wide range of frequencies. It also offers different levels of jitter reduction, ensuring a low noise floor, a wide range of phase modulation, and an adjustable settling time.

The core of the LC72137MA-AE is the Multi-pulse feedback loop which is a unique feature of this product. It allows the user to adjust the phase and frequency of the oscillator in real-time, allowing them to adjust it to the exact requirements of their application. By adjusting the multipulse parameters for each of the 6 different frequency outputs, the user can set the exact frequency and phase for each one. This multi-pulse feedback loop has been the key feature of this product, allowing users to achieve up to 4.8 ppm of phase accuracy.

The LC72137MA-AE also features an on-chip temperature compensated crystal oscillator (TCXO) as well as a built-in Programmable Gain Amplifier (PGA). This provides an extra level of control over the frequency range and provides an improved gain control up to 2000x. It also has a programmable reference voltage so that the user can select the most suitable reference signal.

Overall, the LC72137MA-AE is a highly versatile product with a wide range of adjustable parameters and features, offering users a reliable and accurate clock generating/frequency synthesizing solution for a range of different applications. Its multi-pulse feedback design, with an integrated temperature compensated crystal oscillator, ensures that it is able to accurately calculate the necessary phase shift and stabilize the oscillator frequency over a wide range of temperatures, making it suitable for most telecom, datacom and other industrial applications.

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