DSC1121CI2-155.5200

Frequency Stability:	±25ppm
Current - Supply (Disable) (Max):	--
Height - Seated (Max):	0.035" (0.90mm)
Size / Dimension:	0.126" L x 0.098" W (3.20mm x 2.50mm)
Package / Case:	6-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	22mA
Operating Temperature:	-40°C ~ 85°C
Absolute Pull Range (APR):	--
Series:	DSC1121
Voltage - Supply:	2.25 V ~ 3.6 V
Output:	CMOS
Function:	Enable/Disable
Frequency:	155.52MHz
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Tube

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IntroductionOscillators are electronic devices or components that generate an electrical signal with a specific frequency. They are widely used in the power electronic industry and for communication systems. In this article, we will discuss the application field and working principle of the DSC1121CI2-155.5200 oscillator.DSC 1121CI2-155.5200 OverviewThe DSC1121CI2-155.5200 is an ultra-low jitter oscillator designed to support applications that require precise and stable frequency generation. It features an operating frequency range of 155.5200 MHz and a low-jitter of 0.42 ps-rms at 20MHz - 40MHz. The high-precision oscillator comes with a tight stabilities of ± 10 ppm and –10 to +30 ppm/V (Operating Temperature range). The device is packaged in a ceramic surface mount package and has a tracking frequency of ±0.6%. Application FieldDue to its outstanding low-jitter capabilities, the DSC1121CI2-155.5200 is ideal for high-speed applications in the telecommunications industry. It is commonly used in next-generation fiber optics communications such as 100 Gigabit Ethernet, Infiniband or 10G/40G/100G Copper Communications, or high-end industrial control applications. The precision, low-jitter and stability characteristics make it the perfect solution for applications requiring precise frequency generation and noise-free signal transmission.In addition, the device can be used in various consumer electronics applications such as wireless audio, HDTVs, and applications based on wireless transmission standards. It is also ideal for automotive applications such as automotive navigation systems, infotainment systems, and advanced driver assistance systems, where precise frequency generation and low-jitter are essential.Working PrincipleThe DSC1121CI2-155.5200 is based on a Silicon-on-Insulator (SOI) design. This type of architecture has excellent frequency stability and a high dynamic frequency range. It has a parallel configuration of ceramic resonators to achieve the greatest frequency stability and tight tolerances. The device’s integrated low-noise amplifier is based on a voltage controlled oscillator (VCO) configuration that can be programmed to generate any frequency required.The device also features a closed loop sensor control loop that accurately keeps the frequency centered around the set frequency. The device’s embedded temperature sensor allows it to achieve an excellent temperature stability. It has a closed loop temperature and voltage compensation system that constantly adjusts for temperature and voltage drift. Conclusion The DSC1121CI2-155.5200 is an ultra-low jitter oscillator designed to support applications that require precise and stable frequency generation. It features an operating frequency range of 155.5200 MHz and a low-jitter of 0.42 ps-rms at 20MHz - 40MHz. The device is packaged in a ceramic surface mount package and has a tracking frequency of ±0.6%. It is commonly used in next-generation fiber optics communications, high-end industrial control applications as well as various consumer electronics applications such as wireless audio, HDTVs, and automotive applications. The DSC1121CI2-155.5200 is based on a Silicon-on-Insulator (SOI) design with a parallel configuration of ceramic resonators. It has an integrated low-noise amplifier and a closed loop sensor control loop that accurately keeps the frequency centered around the set frequency.

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