515ACA156M254AAGR

Absolute Pull Range (APR):	±50ppm
Current - Supply (Disable) (Max):	22mA
Height - Seated (Max):	0.071" (1.80mm)
Size / Dimension:	0.276" L x 0.197" W (7.00mm x 5.00mm)
Package / Case:	6-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	46mA
Operating Temperature:	-40°C ~ 85°C
Series:	Si515
Frequency Stability:	±20ppm
Voltage - Supply:	3.3V
Output:	LVPECL
Function:	Enable/Disable
Frequency:	156.254MHz
Type:	VCXO
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Oscillators are electronic circuits that generate certain periodic waveforms. They are used in many types of applications, and the 515ACA156M254AAGR oscillator is one type of oscillator which is widely used. This oscillator has a unique application field and working principle, which is discussed in this article.

Application Field

The 515ACA156M254AAGR oscillator is used mainly in communication systems. It is used in GSM and UMTS base stations. The oscillator also finds use in various other commercial and military communication applications such as WLAN, WiMAX, and satellite transceivers. This oscillator is designed for use in two-way radio systems where it is used as a local oscillator in phase-locked loop (PLL) circuits. It is also used to construct low-noise amplifiers and mixers for super heterodyne receivers.

Working Principle

The 515ACA156M254AAGR oscillator is a quartz based oscillator. It utilizes a quartz crystal resonator to generate an accurately timed pulse for communication systems. The quartz crystal oscillator contains a small piece of quartz which vibrates at a very precise frequency. The frequency of the oscillator is determined by the resonant frequency of the quartz. This is precisely controlled by the crystal’s physical geometry.

The oscillator utilizes an integrated circuit (IC) that amplifies the signal generated by the quartz crystal. The oscillator is then connected to a power supply that supplies the required operating voltage. The quartz crystal is connected to two electrodes, one of which is grounded and the other of which is supplied with the operating voltage. When the voltage is applied, the quartz crystal vibrates and produces a signal at its resonant frequency. This signal is amplified by the IC and is used as the output signal of the oscillator.

The output of the oscillator is a sinusoidal waveform that can be used to generate a communication signal. The frequency of the signal is determined by the resonant frequency of the quartz crystal, which is very precise. This makes the oscillator ideal for applications which require a signal of high accuracy. In addition, the oscillator can be tuned to other frequencies by changing the physical characteristics of the quartz crystal.

The 515ACA156M254AAGR oscillator is widely used in communication systems due to its precise timing and wide application field. It is ideal for use in GSM and UMTS base stations, as well as for other commercial and military communication applications. The oscillator utilizes a quartz crystal resonator to generate a sinusoidal waveform, and is very accurate due to the precisely controlled resonant frequency of the quartz. This makes the oscillator an ideal choice for many types of communication applications.

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