SIT8209AC-81-18S-156.250000T

Frequency Stability:	±20ppm
Current - Supply (Disable) (Max):	10µA
Height - Seated (Max):	0.039" (1.00mm)
Size / Dimension:	0.276" L x 0.197" W (7.00mm x 5.00mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	33mA
Operating Temperature:	-20°C ~ 70°C
Absolute Pull Range (APR):	--
Series:	SiT8209
Voltage - Supply:	1.8V
Output:	LVCMOS, LVTTL
Function:	Standby (Power Down)
Frequency:	156.25MHz
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Oscillators are widely used in various engineering fields. In general, oscillators are mainly used to convert a fixed electric signal into an oscillating signal of a certain characteristics. The various types of oscillators---including crystalline oscillators, quartz oscillators, amplitude-modulated oscillators, frequency-modulated oscillators and surface acoustic wave oscillators---are classified according to their differences in structure, operation mode and frequency range. Among these various types of oscillators, an oscillator is particularly notable named SIT8209AC-81-18S-156.250000T, which is capable of generating stable, accurate and reliable signals at any given frequency in the range of 156.25MHz.

Application Field of SIT8209AC-81-18S-156.250000T Oscillator

The SIT8209AC-81-18S-156.250000T oscillator is most commonly used in the industrial and consumer market for the frequency-modulated applications. It is used in a variety of applications such as communication equipment, radio receivers, satellite receivers, navigation receivers, clock radios, Bluetooth transceivers and industrial PC applications. Due to its high frequency stability and accuracy, the SIT8209AC-81-18S-156.250000T oscillator is credible for use in various frequency modulation schemes.

Working Principle of SIT8209AC-81-18S-156.250000T Oscillator

The working principle of the SIT8209AC-81-18S-156.250000T oscillator involves the manipulation of electric currents and voltages in a closed circuit. The SIT8209AC-81-18S-156.250000T oscillator comprises an inductor, capacitor and two semiconductor devices---an N-Channel insulated-gate field-effect transistor (N-FET) and P-channel insulated-gate field effect transistor (P-FET).The oscillator works by applying the AC signals to the N-FET and P-FET connected in series. The induced current will flow through the N-FET and then passed through the inductor and capacitor. The capacitor is then charged and discharged, producing an oscillating output voltage. This process will continue until the current reaches its steady state. Thus, the oscillator is able to produce an oscillating output signal of a 156.25MHz frequency.

Conclusion

The SIT8209AC-81-18S-156.250000T oscillator is an important oscillator type classified under the Oscillators. It offer the possible to generate a reliable and stable output signal of a frequency ranging from 156.25MHz. This oscillator is most suitable for frequency-modulated applications and is used in a variety of industries, including communication, radio receivers and industrial PC applications. Its working principle involves the modulation of current and voltage in a closed loop, using an inductor, capacitor and two field-effect transistors.

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