LMX2371TMX

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The LMX2371TMX is a high performance dual frequency synthesizer with fractional-N technology and a highly integrated phase-locked loop (PLL). It provides independent PLLs for use in a wide range of clock generation applications. The device\'s dedicated low jitter reference oscillator eliminates the need for an external reference, simplifying the system design. The LMX2371TMX\'s fractional-N divider allows for higher clock accuracies and allows users to increase the accuracy of the synthesizers without adversely impacting the other clock signals.

The LMX2371TMX features two frequency synthesizers that can independently generate a wide range of frequencies. This makes it ideal for use in multiple application areas such as frequency hopping, spread spectrum, clock generation, and synchronization. The device offers a wide frequency range of up to 600 MHz and the use of wideband frequency multiplying techniques to generate fast switching frequencies in the range of up to 4 GHz. In addition, the LMX2371TMX also features digital loop filters, which enable stable and accurate frequency and phase control over a wide range of loop filter settings.

The LMX2371TMX is designed to enable the generation of different frequencies across multiple output divider settings. This allows the device to generate various clock frequencies from a single clock source. It provides accurate frequency control and synchronization, which makes it suitable for applications in frequency hopping, spread spectrum, clock generation, and synchronization. The device includes independent PLLs for each frequency synthesizer, allowing it to generate frequencies with lower jitter than with traditional single PLL solutions.

The working principle of the LMX2371TMX is simple. The device uses a PLL loop, which consists of an oscillator, a divider and a phase comparator. The oscillator generates a reference signal and the divider divides the reference signal into two frequencies, the reference and the feedback. The feedback is compared to the reference in the phase detector and the resulting error signal is then filtered through a digital loop filter. The result of the loop filter is then used to adjust the PLL\'s voltage-controlled oscillator (VCO) in order to maintain a suitable phase lock loop (PLL) performance.

The LMX2371TMX features advanced features including power savings with adjustable sleep and disable, multi-range selectable controlled oscillator (VCO) frequencies, digitally controlled dual PLLs with integrated loop filter and digital delay-locked loop (DLL), programmable differential output impedance and adjustable dividers. Together, these features make it ideal for use in clock generation, synchronization, frequency hopping, and spread spectrum applications.

In conclusion, the LMX2371TMX is a high performance, low jitter, dual frequency synthesizer that provides advanced features for use in clock generation, synchronization, and frequency hopping applications. Its superior performance and integrated features simplify the design process, allowing users to create more accurate clocks at a faster rate. The device offers a wide range of frequency synthesis techniques and a wide frequency range, allowing it to be used in a variety of applications.

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