SIT1602AIT3-18E

Frequency Stability:	--
Current - Supply (Disable) (Max):	3.8mA
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):	3.9mA
Spread Spectrum Bandwidth:	--
Operating Temperature:	-40°C ~ 85°C
Frequency Stability (Total):	±20ppm
Series:	SiT1602
Voltage - Supply:	1.8V
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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Programmable Oscillators: SIT1602AIT3-18E Application Field and Working Principle

Programmable oscillators are versatile, flexible and customizable electronic frequency control devices. They are capable of meeting a wide range of requirements for frequency control and timing in today\'s electronics industry. A typical example is the SIT1602AIT3-18E oscillator from Shanghai Yisitantur Instruments Inc.

Application field of SIT1602AIT3-18E:

The SIT1602AIT3-18E is a Programmable Oscillator (POC) of high accuracy and excellent stability. It is widely used in many applications such as sensors, microcontrollers, memories, RF electronics and communications.In sensors, it can be used to measure frequency, temperature, pressure, etc. In microcontrollers, it can be used to reduce the time required to execute instructions. Similarly, the POC in memories helps store instructions and thus accelerates data processing. In RF electronics and communications, it provides an excellent timing source, required to maintain a constant data rate and frequency.

Working principle of SIT1602AIT3-18E:

SIT1602AIT3-18E is a high-accuracy and high-stability Programmable Oscillator that uses a closed-loop negative feed-back control circuit. It features a high-precision crystal oscillator, a frequency reference signal, an adjustable resistor (R), a programmable VMOS transistor, as well as a voltage-controlled oscillator (VCO).The voltage-controlled oscillator is the core component of the POC. It is capable of generating an output signal that has an adjustable frequency. The VCO is connected to the signal source, where the frequency reference signal is generated. The signal is then amplified by the adjustable resistor and the VMOS transistor. The amplified signal is fed back to the VCO, making it possible to precisely adjust the frequency of the signal.Once the frequency of the signal is adjusted according to the application requirements, it is transformed into digital signals by a logic comparator and finally output from the oscillator.

Conclusion:

The SIT1602AIT3-18E is a highly-precise and highly-stable Programmable Oscillator. It is widely used in many applications in the electronics industry, such as sensors, microcontrollers, memories, RF electronics, and communications. It uses a closed-loop negative feed-back control circuit and makes use of a voltage-controlled oscillator and adjustable resistors to output signals with an adjustable frequency.

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