SIT1602AIF3-28S

Frequency Stability:	--
Current - Supply (Disable) (Max):	4.3µA
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:	Standby
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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Programmable Oscillators: SIT1602AIF3-28S Application Field and Working Principle

Programmable oscillators are electronic devices that can be used to produce a wide range of frequencies. The SIT1602AIF3-28S is a programmable oscillator designed to be used in industrial, military, and aerospace applications. This article will discuss the application field and working principle of the SIT1602AIF3-28S.The SIT1602AIF3-28S is designed for extremely precise frequency control and applications which require long-term stability over a variety of environmental conditions. The oscillator is capable of producing extremely accurate frequencies over a wide range from 1 to 5.2 GHz. This accuracy is made possible with a patented frequency trim technology, which allows for fine adjustment of the output frequency by as little as 0.5 ppm.The SIT1602AIF3-28S also features integrated loop filter and synthesizer circuitry. This eliminates the need for external components and greatly simplifies the design and implementation of the oscillator. Additionally, the oscillator features a built-in self-calibration mechanism that allows the oscillator to compensate for any temperature changes and other environmental conditions.The oscillator employs a fully-integrated voltage-controlled crystal oscillator (VCXO) based frequency synthesis technique. This technique utilizes a voltage-controlled oscillator (VCO) to generate a frequency range larger than the quartz crystals used in the oscillator. This allows the oscillator to generate frequencies over a much wider range than quartz crystals alone can achieve.The frequency control of the SIT1602AIF3-28S is adjusted by a programmable Digital-to-Analog (D/A) converter, which controls a capacitive frequency-adjusting element within the oscillator. The frequency is adjusted by varying the voltage supplied to the capacitive element, which in turn changes the capacitance and thereby adjusts the frequency of the oscillator.The SIT1602AIF3-28S is designed for use in applications that require high performance and long-term stability, including radio base station, navigation and communication systems, military platforms, and aerospace systems. The high-precision frequency control capability and high-stability of the oscillator make it ideal for these applications.In summary, the SIT1602AIF3-28S is a programmable oscillator designed for use in high-precision and long-term stability applications. The oscillator features integrated loop filter and synthesizer circuitry, a built-in calibration mechanism and provides extremely accurate frequencies over a wide range. Due to its design, the SIT1602AIF3-28S is suitable for use in applications that require high performance and stable frequencies, such as radio base stations, navigation and communication systems, military platforms and aerospace systems.

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