SIT1602AIU3-28E

Frequency Stability:	--
Current - Supply (Disable) (Max):	4mA
Height:	0.031" (0.79mm)
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):	4.5mA
Spread Spectrum Bandwidth:	--
Operating Temperature:	-40°C ~ 85°C
Frequency Stability (Total):	±20ppm
Series:	SiT1602
Voltage - Supply:	2.8V
Output:	HCMOS, LVCMOS
Function:	Enable/Disable
Available Frequency Range:	3.75MHz ~ 77.76MHz
Programmable Type:	Programmed by Digi-Key (Enter your frequency in Web Order Notes)
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Bulk

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Introduction

Programmable oscillators are a type of oscillator that can be programmed to provide a specific output frequency. The SIT1602AIU3-28E is a programmable oscillator from the SIT family that offers step tuning, voltage control, and temperature compensation to ensure the accuracy and stability of the output frequency. This particular oscillator is especially well suited for a variety of high frequency (HF) applications, such as digital video broadcasting, communication systems, and software-defined radio. Below we provide an overview of the SIT1602AIU3-28E, focusing on its applications and working principle.

Application Field

The SIT1602AIU3-28E is a programmable oscillator designed for use in HF applications. This oscillator can be tuned to a frequency range up to 28 GHz, making it well suited for digital video broadcasting, communication systems, and software-defined radio. Additionally, its high frequency capability makes it a good choice for applications requiring precise timing, such as radars and radio-frequency identification (RFID) tags. Other features include low noise performance, wide tuning range, and a wide power output range, making it suitable for a variety of RF applications. Finally, its programming interface also makes it highly configurable, allowing it to be adapted to fit a number of different applications.

Working Principle

The SIT1602AIU3-28E utilizes an integrated voltage controlled oscillator (VCO) to generate a stable output signal. The signal is then passed through an amplifier stage and a filter stage, which are used to control the signal’s frequency and noise respectively. The signal is then presented at the output pin for further processing.In terms of programming, the SIT1602AIU3-28E utilizes an SPI interface for configuration and tuning. The SPI interface allows for communication with a programmable logic controller (PLC), which can be used to configure the device’s output frequency and gather information from the oscillator. The device also features step tuning and temperature compensation, which are used to retain the accuracy of the output frequency over varying environmental conditions. With its high frequency capability, wide power output range, and configurable programming interface, the SIT1602AIU3-28E is a reliable, high-performance oscillator for a variety of HF applications.

Conclusion

The SIT1602AIU3-28E is an excellent programmable oscillator for applications requiring high frequency accuracy and stability. With its wide frequency range, low noise performance, and programmable interface, the SIT1602AIU3-28E is a great choice for digital video broadcasting, communication systems, and software-defined radio. Additionally, its step tuning and temperature compensation features make it suitable for high precision applications such as radar and RFID. Moreover, its SPI programming interface provides flexibility and allows it to be easily adapted to fit a variety of applications. With its various features, the SIT1602AIU3-28E is an ideal choice for HF applications.

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