SIT9120AI-1C2-25E125.000000T

Frequency Stability:	±25ppm
Current - Supply (Disable) (Max):	35mA
Height - Seated (Max):	0.032" (0.80mm)
Size / Dimension:	0.197" L x 0.126" W (5.00mm x 3.20mm)
Package / Case:	6-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	69mA
Operating Temperature:	-40°C ~ 85°C
Series:	SiT9120
Voltage - Supply:	2.5V
Output:	LVPECL
Function:	Enable/Disable
Frequency:	125MHz
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Oscillators are electronic components that generate periodic alternating currents or voltages. Oscillators are widely used in many applications, such as digital circuits, wireless communication, timing components, and frequency control. SIT9120AI-1C2-25E125.000000T is an oscillator with the characteristics of low power consumption, fast start-up, wide operating temperature range, and high stability and accuracy.

Application Field

SIT9120AI-1C2-25E125.000000T has well-suited for clock buffering, RF signal generating, micro-controller clock driving, test, measurement, and equipment. With its characteristics of low ripple and noise,minimum area,high precision, and high reliability, it is can be used in medical, industrial, automotive, computer, communication, military, aerospace, consumer electronics, and other fields.For example, it is used in Automotive: car radio, navigation, obstacle avoidance, active suspension, self-parking, tire pressure monitoring, DVD, and lighting; Industrial: PLC, Robotics, PIMs, GPS systems, and microcontrollers; Military and Aerospace: defense radar, flight control, avionics, sighting system, signal converters, supply system, GPS satellites, and missile guidance systems; Medical Diagnosis and Therapy: X-ray equipment, MRI, PET equipment, laser treating equipment, ultrasound scanning, and CT scan; Communication:cell phones, WIFI, WiFi,5G, IoT, and satellite communication..

Working Principle

The working principle of the SIT9120AI-1C2-25E125.000000T oscillator is to use a gas-filled capacitive provison coupled with an inductor having an oscillation resonance frequency of 125MHz. The resonant frequency is determined by the capacitance of the capacitor and the inductance value of the inductor. The oscillator consists of an amplifier, a feedback regulator, and a control circuit.The amplifier generally consists of an NPN transistor, which amplifies the input signal and produces an amplified signal. The feedback regulator increases the accuracy of the oscillator by providing negative feedback. The control circuit is used to adjust the working frequency of the oscillator. The control signal of the control circuit can be externally provided, or can be set from the output frequency of the oscillator to ensure the stability of the output frequency.When the power supply of the oscillator is switched on, the control circuit starts to output a signal, which is amplified by the amplifier, fed back to the negative feedback regulator, and then output as a stable oscillating frequency. The frequency value of the output oscillation signal is determined by the input capacitance and the inductance value of the inductor.

Conclusion

In conclusion, the SIT9120AI-1C2-25E125.000000T oscillator is a high-precision, low-power oscillator. It is suitable for a variety of applications, including medical, industrial, automotive, computer, consumer electronics, and communication. The working principle is based on the inductor and capacitor, and the frequency value is determined by the capacitance of the capacitor and the inductor value. The oscillator maintains a stable oscillating frequency and provides a wide range of uses.

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