ABDFVCTCXO-19.440MHZ-L-2-T5

Frequency Stability:	±280ppb
Current - Supply (Disable) (Max):	--
Height - Seated (Max):	0.122" (3.10mm)
Size / Dimension:	0.559" L x 0.360" W (14.20mm x 9.15mm)
Package / Case:	14-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	20mA
Operating Temperature:	-40°C ~ 85°C
Absolute Pull Range (APR):	--
Series:	ABDFVCTCXO
Voltage - Supply:	3.3V
Output:	LVCMOS
Function:	--
Frequency:	19.44MHz
Type:	VCTCXO
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Oscillators

The ABDFVCTCXO-19.440MHZ-L-2-T5Oscillator is designed to provide precision frequency performance and reliability in limited space applications. This type of oscillator combines the stability of a Voltage-Controlled Crystal Oscillator (VCXO) with the frequency agility of a quartz tune voltage-controlled oscillator (VTCXO). This provides a unique combination of features that enable the oscillator to become the preferred choice in a variety of applications.

Application Field

The ABDFVCTCXO-19.440MHZ-L-2-T5Oscillator is suitable for a broad range of applications wherever a cost-effective, reliable and flexible solution is needed. Typical applications including communication because of its stability and flexibility. It is used in communication systems— from radio communication systems to TV broadcasting—and in land-mobile and satellite navigation systems. Also this kind of oscillator is employed in frequency synthesisers and is an ideal choice for microprocessor design and medical device systems.

Working Principle

The ABDFVCTCXO-19.440MHZ-L-2-T5Oscillator is based on a high performance crystal oscillator circuit. It combines a Voltage-Controlled Crystal Oscillator (VCXO) with a quartz-tuned Voltage-Controlled Oscillator (VTCXO) to provide a combination of frequency agility and stability. The oscillator circuit is designed to allow the oscillator to be tuned using an external voltage to generate a precise frequency, while providing a level of stability and accuracy required in many applications.The oscillator utilizes a PLL synthesizer to generate a frequency which is adjustable over a wide range, depending on the application requirements. The PLL combines an internal voltage-controlled reference oscillator with a voltage-controlled frequency divider, which is electronically trimmed to the desired frequency. In addition, the oscillator is equipped with a low noise amplifier, which improves the signal-noise ratio and enhances the system’s performance. The ABDFVCTCXO-19.440MHZ-L-2-T5Oscillator offers reliable and stable long-term frequency stability, as well as a wide range of environmental conditions and applications. Due to its low jitter and low phase noise, the oscillator is ideal for applications requiring high performance in a limited space. The oscillator is highly reliable and offers compatibility with a wide variety of temperatures and frequencies.

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