SI5350A-B07403-GM

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The SI5350A-B07403-GM belong to the class of clock generators, phase-locked loops (PLLs), and frequency synthesizers. It is a low phase noise, ultra-low phase jitter clock generator with integrated digital PLLs for a wide range of applications. In this article, we will explore the application fields, as well as the working principle, of the SI5350A-B07403-GM.

Application Field

The SI5350A-B07403-GM is designed to meet the stringent requirements of telecommunications, military and industrial applications. Its features include low phase noise, low jitter, superior phase tracking, and wide programmability. It is suitable for a variety of different application fields, such as telecom base stations, aerospace avionics systems, broadcasting, aerospace navigation systems, cellular infrastructure, automotive industrial applications, and medical electronic systems.

The SI5350A-B07403-GM has a wide operating frequency range of 10 kHz to 1.1 GHz and a wide reference frequency range of 5 kHz to 100 MHz. It also supports a wide range of output modes, including LVPECL, LVDS, CMOS, and LVCMOS. This makes the SI5350A-B07403-GM an ideal device for a variety of applications requiring low jitter and low phase noise. The accuracy of the device is kept to the tightest possible tolerances.

Working Principle

At its core, the SI5350A-B07403-GM is a frequency synthesizer that uses a digital phase-locked loop (DPLL) to generate a user-defined output clock signal with low phase noise, low jitter, and superior phase tracking. The DPLL works by synchronizing an input reference clock signal to a reference clock signal in order to generate an output clock signal of the desired frequency. The input reference clock signal is compared to the VCO feedback, and the error is fed into an automatic gain control loop. The loop then adjusts the VCO frequency accordingly.

The DPLL also provides integrated frequency multiplication and division as well as optional RF cancellation. The user-defined output clock signal is synthesized through a combination of an input reference clock signal, a programmable frequency divider, and a voltage-controlled oscillator (VCO) that is locked to the input reference clock signal. The DPLL also has an enable function that allows it to bypass the DPLL and run the VCO and divider directly, providing superior isolation from output clock modulations

The SI5350A-B07403-GM also features a dedicated jitter attenuator circuit, which helps to reduce the amount of clock jitter generated by the device. Additionally, the SI5350A-B07403-GM supports a wide range of output modes, including LVPECL, LVDS, CMOS, and LVCMOS. This makes the device suitable for use in a wide range of frequency-sensitive applications.

Conclusion

The SI5350A-B07403-GM is a low phase noise, ultra-low phase jitter clock generator with integrated digital PLLs. It is designed to meet the stringent requirements of telecommunications, military and industrial applications. The device has a wide operating frequency range and supports a variety of output modes, making it an ideal device for a variety of applications requiring low jitter and low phase noise. The SI5350A-B07403-GM also has a dedicated jitter attenuator circuit and an enable function that allows it to bypass the DPLL and run the VCO and divider directly.

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