TRF3761-FIRHAT

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TRF3761 is a high-performance integrated frequency synthesizer chip which combines the RF front-end and direct programming digital signed-magnitude frequency synthesizer with integrated special functions. The fractional-N divider (FND) of the digital synthesizer is used to reduce the VCOs’ frequency pull-in accuracy, while the radio front-end is used to reduce close-in phase noise. The integration of these two components also improves the spurious-free dynamic range of the system. This chip is suitable for lightweight and small form factor applications.

TRF3761-FIRHAT is one of the clock generators based on TRF3761 which offers an instantaneous frequency hopping scheme. It can provide efficient working with low-cost frequency synthesizers. Its emphasis is on quick frequency hopping and multipath flexibility when the input signal is corrupted by environmental noise effects. This device is especially suitable for applications in satellite communication, wireless medical systems and wireless personal area network applications.

The main applications of the TRF3761-FIRHAT include mobile communication, wireless communication, digital television, satellite communication, and automotive infotainment systems. Some other applications include digital video broadcasting, wireless audio, GPS, and GSM. This particular chip is also used in many consumer and industrial products such as set top boxes, HDTVs, and wireless equipment.

One of the most important features of the TRF3761-FIRHAT is its instant frequency hopping ability. Frequency hopping helps reduce interference from within the environment, as well as from outside sources. This device helps provide unlimited frequency range and high-speed performance with low-cost frequency synthesizers. It also helps create an efficient and reliable link even in difficult environments.

The working principle of the TRF3761-FIRHAT is based on the principle of direct programming digital signed-magnitude frequency synthesizer. A ROM (read-only memory)is used to store the digital frequency hop sequence. The ROM can be used to generate the required hop sequences and the FND (Fractional-N divider)is used to divide the digital signal resulting in the frequency hopping. The device offers a unique digital signal output signal path and tuning speed which is dependent on the frequency hop sequence and reference signal.

The TRF3761-FIRHAT is an integrated radio frequency synthesizer which offers low-cost frequency synthesis and low phase noise with instantaneous frequency hopping. This chip provides a wide range of applications for different industries such as mobile communication, wireless communication, digital television, satellite communication, automotive infotainment systems, digital video broadcasting, wireless audio, GPS, and GSM. It works on the principle of direct programming digital signed-magnitude frequency synthesizer and a ROM (read-only memory) to generate frequency hop sequences and the FND to divide the digital signal resulting in the frequency hopping.

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