DSC8121CI1

Frequency Stability:	±50ppm
Current - Supply (Disable) (Max):	22mA
Height:	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):	35mA
Spread Spectrum Bandwidth:	--
Operating Temperature:	-40°C ~ 85°C
Frequency Stability (Total):	--
Series:	DSC8121
Voltage - Supply:	2.25 V ~ 3.6 V
Output:	CMOS
Function:	Enable/Disable
Available Frequency Range:	10MHz ~ 170MHz
Programmable Type:	Blank (User Must Program)
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Tube

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Programmable Oscillators: DSC8121CI1 Application Field and Working Principle

Programmable oscillators (POs) are the type of oscillators that can be adjusted and configured to meet the needs of specific applications. These oscillators are typically used for sound and audio applications, such as frequency synthesizers, low-frequency sound generation, or RF signal generation. The DSC8121CI1 is a programmable oscillator designed for use in higher-frequency applications. In this article, we will discuss the application field and working principle of the DSC8121CI1 programmable oscillator.

Application Field

The DSC8121CI1 programmable oscillator is designed for frequency generation applications that require high-frequency precision and stability. This oscillator can be used in a variety of applications, such as digital audio, communications systems, medical imaging equipment, and radar systems. Its various features and settings allow it to be adapted to different settings, allowing it to meet the needs of specific applications.

Working Principle

The DSC8121CI1 programmable oscillator is based on a phase-locked loop (PLL) technology. The PLL is a type of feedback system where the output frequency is locked to an input frequency. The input frequency is generated by a reference oscillator, while the output frequency is generated by a voltage-controlled oscillator (VCO).The PLL consists of three components: the reference oscillator, the phase comparator, and the VCO. The reference oscillator produces the reference frequency of the PLL, which is then compared against the output of the VCO. The phase comparator then compares the two signals and produces an error signal that is sent to the VCO. The VCO then adjusts its output frequency to match the reference frequency.The DSC8121CI1 programmable oscillator uses a digital phase-locked loop (DPLL) technology. It consists of a programmable reference oscillator, a digital phase comparator, and a VCO. The reference oscillator is programmed to select the required frequency of operation. The digital phase comparator then compares the output of the reference oscillator to the output of the VCO, and produces an error signal. This error signal is sent to the VCO, which adjusts its output frequency to match the reference frequency.

Conclusion

The DSC8121CI1 programmable oscillator is designed for high-frequency precision applications. Its PLL and DPLL technologies allow it to be adapted to different settings, allowing it to meet the needs of specific applications. The use of this oscillator provides a reliable and cost-effective frequency generator, making it a great choice for a variety of applications.

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