SIT1602AI-31-18E-12.000000Y

Frequency Stability:	±20ppm
Current - Supply (Disable) (Max):	3.8mA
Height - Seated (Max):	0.032" (0.80mm)
Size / Dimension:	0.197" L x 0.126" W (5.00mm x 3.20mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	3.9mA
Operating Temperature:	-40°C ~ 85°C
Absolute Pull Range (APR):	--
Series:	SiT1602
Voltage - Supply:	1.8V
Output:	LVCMOS
Function:	Enable/Disable
Frequency:	12MHz
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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Introduction

Oscillators are electronic circuits that generate periodic alternating current (AC) signals. The output waveforms from an oscillator, typically a sine wave, are used in countless types of electronic devices, from the simplest radios to complex scientific instrumentation. One such oscillator is the SIT1602AI-31-18E-12.000000Y, which has specific characteristics that make it ideal for certain applications.

SIT1602AI-31-18E-12.000000Y Application Field and Working Principle

The SIT1602AI-31-18E-12.000000Y is a low-noise, voltage-controlled oscillator (VCO) designed for use as a clock oscillator. It operates in a wide range of voltages, from 3.3V to 12V, and it has an output frequency of 1602 MHz. Its low noise floor and high accuracy make it suitable for many applications, such as digital TV, digital radio broadcasting, mobile communications, and satellite communications.The working principle of the SIT1602AI-31-18E-12.000000Y is based on digital phase-locked loop (DPLL) circuit technology. A DPLL is an electronic circuit that uses hysteresis to synchronize two clocks or oscillators. It has two stages: a phase detector that compares the phases of the input and output signals, and a voltage-controlled oscillator (VCO) that generates the output signal. In the SIT1602AI-31-18E-12.000000Y, the DPLL comprises a low-noise phase detector, an advanced voltage-controlled oscillator (VCO), and a temperature-compensated crystal oscillator (TCXO). The TCXO has an output frequency of 1602 MHz and an operating temperature range of -10 to 70°C. The low-noise phase detector detects the phase shift between the TCXO output and the desired output signal, and adjusts the VCO frequency accordingly. The VCO then produces the output signal, and the phase detector makes sure that the output signal stays synchronized with the TCXO output. The combination of the TCXO and the low-noise phase detector ensures that the output signal is highly accurate and stable, even over a wide range of temperatures. In addition, the VCO has an extremely low noise floor, ensuring that the output signal is free from noise or interference.

Conclusion

The SIT1602AI-31-18E-12.000000Y is a highly accurate and reliable voltage-controlled oscillator (VCO) that is suitable for use in a wide range of applications such as digital TV, digital radio broadcasting, mobile communications, and satellite communications. Its low noise floor and high accuracy make it an ideal choice for high-precision applications that require stable clock signals. The combination of its low-noise phase detector, advanced VCO, and TCXO ensure that the output signal is accurate and stable over a wide range of temperatures.

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