SIT8209AI-3-33S

Frequency Stability:	±20ppm
Current - Supply (Disable) (Max):	70µA
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):	36mA
Spread Spectrum Bandwidth:	--
Operating Temperature:	-40°C ~ 85°C
Frequency Stability (Total):	--
Series:	SiT8209
Voltage - Supply:	3.3V
Output:	LVCMOS, LVTTL
Function:	Standby
Available Frequency Range:	80.000001MHz ~ 220MHz
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: SIT8209AI-3-33S Application Field and Working PrincipleProgrammable Oscillators, or POs, are electronic components that accurately generate and maintain a stable, periodic signal waveform waveform in a wide frequency range. There are several types of POs, but in recent years, a new type of PO is gaining attention, namely the SIT8209AI-3-33S POs. This article will discuss the application field and working principle of the SIT8209AI-3-33S POs.The SIT8209AI-3-33S POs are programmable POs with a frequency range of 2 KHz to 2.4 GHz. They are ideal for applications such as wireless communication and data acquisition systems, where stable and high frequency waveforms are needed. Furthermore, the SIT8209AI-3-33S POs offer low power consumption, high accuracy and long-term stability, providing great performance in various applications.Working Principle of the SIT8209AI-3-33S Programmable OscillatorsThe SIT8209AI-3-33S POs employ an architecture known as Voltage Controlled Oscillators (VCOs) to generate its signal waveforms. These VCOs rely on the interaction of an external voltage with an internal electrical oscillator circuit to generate different waveforms. The frequency of the signal can then be tuned precisely by controlling the voltage applied to the VCO.The oscillator circuit of the SIT8209AI-3-33S POs consists of a number of components, including an amplifier, a voltage controlled resistor, and a resonator. The amplifier provides the necessary signal gain, while the resistor and the resonator are used to control the signal amplitude and frequency.When a voltage is applied to the VCO, the oscillator emits a signal which is amplified by the amplifier and fed to the resonator. The signal then passes through a number of filters, where its amplitude and frequency are adjusted to match the desired frequency range. The filtered signal is then fed back to the oscillator, producing a periodic signal of a fixed frequency.Applications of the SIT8209AI-3-33S Programmable OscillatorsThe SIT8209AI-3-33S POs can be used in a wide range of applications, ranging from microwave communication and satellite communication systems to medical electronics, instrumentation, and precision timing systems. Additionally, these POs can be employed for the frequency control of display systems and for data networks.Moreover, the SIT8209AI-3-33S POs are suitable for low-cost, high-performance applications where a large selection of frequency outputs and small size is desired. As such, they are often used in cellular phones, telecommunications systems and GPS systems, as well as for frequency-hopping applications.ConclusionThe SIT8209AI-3-33S Programmable Oscillators are versatile and reliable components that can be used in a wide range of applications. They employ a highly efficient Voltage Controlled Oscillator (VCO) architecture to generate stable and accurate signal waveforms in the frequency range of 2 KHz to 2.4 GHz. Additionally, they feature low power consumption, high accuracy, and long-term stability, making them a great choice for various applications.

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