SI4126-BM

Ratio - Input:Output:	1:2
Supplier Device Package:	28-QFN (5x5)
Package / Case:	28-VFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply:	2.7 V ~ 3.6 V
Divider/Multiplier:	Yes/No
Frequency - Max:	2.3GHz
Differential - Input:Output:	No/No
Series:	--
Number of Circuits:	1
Output:	Clock
Input:	Crystal
PLL:	Yes
Type:	Frequency Synthesizer
Part Status:	Obsolete
Packaging:	Tube

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The SI4126-BM is a two-phase clock generator and frequency synthesizer for applications in industrial, military, and aerospace systems. It is designed to be a very versatile and robust piece of equipment, capable of providing highly accurate, low-jitter protocols for clock generation. It can generate both symmetrical and asymmetrical output waveforms, and provides a wide range of frequency ranges and output waveforms. The design of the SI4126-BM makes it ideal for applications where the risk of an accidental brownout is high. With its built-in voltage monitoring and hot/cold start protection, it is capable of responding quickly and accurately to changes in power supply voltage. It also provides a wide range of input voltages (3.3V, 5V, 12V and 24V), making it suitable for many different types of industrial systems. The SI4126-BM is designed to provide a wide variety of clock and frequency synthesizer signals. It can provide both single-ended and differential signals, with output frequencies of up to 1GHz. Additionally, it provides a variety of jitter control algorithms, including costas-loop, phase-locked loop (PLL) and direct digital synthesis (DDS). As a result, it is capable of generating very precise clock signals, even at high frequencies. The SI4126-BM has a number of advanced features that make it particularly suitable for applications where precise timing is critical. Its integrated voltage monitor allows for timely detection of power supply changes, ensuring reliable operation in the event of a sudden brownout. Additionally, the SI4126-BM includes an internal temperature sensor, which can be used for temperature-adjusted clock frequency and duty cycle control. The working principle of the SI4126-BM is based on a phase-locked loop (PLL). The system consists of an input voltage, a phase frequency detector (PFD), a voltage-controlled oscillator (VCO), a loop filter and an output divider. The PFD continuously compares the phase and frequency of the input voltage to the phase and frequency of the VCO. The difference between these signals is then used to adjust the voltage on the loop filter, which in turn is used to adjust the frequency of the output signal. The PLL is designed to track any changes in the input signal, so it can quickly and accurately adjust the output frequency to match any changes in the input voltage. The SI4126-BM is a versatile and reliable piece of clock generation and frequency synthesizing equipment, which is suitable for a wide range of industrial and military applications. Its range of features, including voltage monitoring, temperature-controlled clock frequency and duty cycle control, make it ideal for applications where precise clock signals are required. Additionally, its flexible PLL-based design makes it an excellent choice for environments where sudden changes in power supply voltage can occur.

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