DSC400-0444Q0009KE1

Function:	Enable/Disable
Package / Case:	20-SMD, No Lead
Height:	0.035" (0.90mm)
Size / Dimension:	0.197" L x 0.126" W (5.00mm x 3.20mm)
Current - Supply (Max):	44mA
Operating Temperature:	-20°C ~ 70°C
Frequency Stability:	±50ppm
Voltage - Supply:	2.25 V ~ 3.6 V
Output:	HCSL
Series:	DSC400
Frequency - Output 4:	--
Frequency - Output 3:	100MHz
Frequency - Output 2:	100MHz
Frequency - Output 1:	100MHz
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Tube

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Introduction

Pin Configurable/Selectable Oscillators are a class of electronic devices used to generate and control oscillations of electric current. The DSC400-0444Q0009KE1 is a product of this type, and its application field and working principle will be discussed in this article.

Application Field

The DSC400-0444Q0009KE1 is a versatile and robust Pin Configurable/Selectable Oscillator, with a frequency range from 200MHz to 2.5GHz, and a supply voltage from 1.8V to 3.3V. It can be used for a variety of tasks related to time domain and frequency domain control, such as frequency modulation, time-frequency conversion, parametric modulation and voltage-controlled oscillators (VCO).This oscillator can be used in the fields of communications, navigation, and instrumentation, as well as any applications requiring tight frequency, short pulse, or tight phase jitter characteristics. This device has been designed for use in highly integrated systems, such as cellular, military, and aerospace radio terminals, GPS receivers, instrumentation, and test and measurement equipment.

Working Principle

The DSC400-0444Q0009KE1 is a monolithic CMOS device, which utilizes a two-stage oscillator topology to produce a stable frequency signal. This signal is generated by the interaction of two voltage-controlled oscillator circuits, also referred to as a Phase-Locked Loop (PLL).The first stage of the PLL consists of a Charge Pump and Voltage Controlled Oscillator (VCO). The VCO generates the signal at the programmed frequency, while the Charge Pump regulates the amplitude and phase of the signal. This signal is then passed to the second stage of the PLL, which contains an Automatic Frequency Control (AFC) circuit. The AFC is used to stabilize the signal and prevent drift over time.The final output signal is then passed through an amplifier and buffer, and sent to an output pin of the device. This output signal can then be used to control various system operations, and provide highly accurate frequency and phase control.

Conclusion

The DSC400-0444Q0009KE1 is a versatile and robust Pin Configurable/Selectable Oscillator with a wide range of applications in the fields of communications, navigation and instrumentation. Its operation is based on the principle of a two-stage PLL, which utilizes a Charge Pump, VCO and AFC to produce a stable and accurate frequency signal. This signal is then available at an output pin of the device, to be used for a wide range of applications requiring tight frequency, short pulse or tight phase jitter characteristics.

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