514CCC001258BAGR

Voltage - Supply:	2.97 V ~ 3.63 V
Size / Dimension:	0.197" L x 0.126" W (5.00mm x 3.20mm)
Package / Case:	6-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	26mA
Operating Temperature:	-40°C ~ 85°C
Absolute Pull Range (APR):	--
Frequency Stability:	±20ppm
Series:	Si514
Output:	CMOS
Function:	Enable/Disable (Reprogrammable)
Frequency:	18.55MHz
Type:	XO (Standard)
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Programmable oscillators are electrical oscillators that are designed to produce signals of variable frequencies, amplitudes, pulse widths, and other parameters. 514CCC001258BAGR is an example of such a device. In this section, the application field and the working principle of this oscillator will be discussed.
The 514CCC001258BAGR oscillator is mainly used in automotive and aerospace applications. It is used in the spark advance control systems of cars and trucks, in antennas and radars, and in electronic air data sensing systems. It is also used in various applications such as frequency-hopping radio systems, signal modems, and sonar.
The 514CCC001258BAGR oscillator operates on the principle of Electronic Frequency Synthesis (EFS). EFS is a technology that uses an electronic oscillator to generate a signal with a given frequency. The oscillator is programmed to generate a signal with the desired frequency by adjusting its frequency range and tuning parameters. Once the desired frequency is set, the oscillator is locked in that frequency and the signal is produced.The circuit of the 514CCC001258BAGR oscillator consists of a voltage-controlled oscillator (VCO) and a frequency divider. The VCO generates an output signal whose frequency is determined by the applied voltage. The frequency divider divides the output of the VCO into two or four phases. These two or four phases of the signal are used for two or four-phase frequency shift keying (FSK), respectively. The output of the VCO is then fed to a phase-locked loop (PLL), which is responsible for locking the oscillator in the desired frequency and keeping it stable. The PLL is controlled by an external clock signal, which is used to adjust the frequency of the oscillator. The output of the PLL is then used to drive the frequency divider, which produces the output signal that is programmed to the desired frequency.
The 514CCC001258BAGR oscillator is a programmable oscillator designed for use in automotive and aerospace applications. It uses the principle of Electronic Frequency Synthesis (EFS) to generate signals with a given frequency. Its circuit consists of a voltage-controlled oscillator (VCO), a frequency divider, and a phase-locked loop (PLL). The PLL is used to lock the oscillator in the desired frequency and keep it stable. The output of the PLL is then used to drive the frequency divider to produce the output signal that is programmed to the desired frequency.

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