578L260CTT

Frequency Stability:	--
Current - Supply (Disable) (Max):	--
Height - Seated (Max):	0.083" (2.10mm)
Size / Dimension:	0.276" L x 0.197" W (7.00mm x 5.00mm)
Package / Case:	10-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	3.5mA
Operating Temperature:	-20°C ~ 70°C
Series:	578
Voltage - Supply:	3.3V
Output:	Clipped Sine Wave
Function:	Enable/Disable
Frequency:	26MHz
Type:	TCXO
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Tape & Reel (TR)

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578L260CTT Oscillators – Application Field and Working Principle

Oscillators are electrical circuits which produce repeated, alternating waveforms. They are an important element in the design of electronic and communications systems in a variety of applications, as they help establish the frequency of a signal whether it is for low-frequency or high-frequency signals. Oscillators are key components in the design of most modern radio and television circuits, and are also utilized in numerous other applications.The 578L260CTT Oscillator is a variable frequency quartz XO which utilizes Programmable Voltage Control Technology (PVC) to provide superior stability, low noise, and fast frequency tuning. The 578L260CTT is designed for low-power applications such as automotive, internet of things (IoT), instrumentation and medical devices. This oscillator is offered in a miniature, 5 pin plastic surface mount package with a frequency range of 20MHz to 200MHz and its standard voltage range is 0.75V to 3.3V.Application Field The 578L260CTT Oscillator is suitable for a variety of applications such as automotive, instrumentation, internet of things (IoT), and medical devices. It can be used as a clock generator in automotive audio systems, beacon receivers, internet of things (IoT) applications, remote keyless systems, and industrial applications. It is also applicable for use in military and aerospace applications, radio transceivers, flat panel displays, satellite TV applications, digital set-top boxes, automotive navigation systems, and 3G/4G radio base station transceivers.Working Principle The 578L260CTT Oscillator utilizes a quartz crystal for frequency control. Quartz crystals feature excellent electronic stability, and have no drift or temperature characteristics. The crystal is cut in two halves, and then mounted in a resonant circuit. The crystal oscillator frequency can be adjusted by applying a voltage to the crystal, which usually results in a frequency change of several hundred parts per million.The 578L260CTT can be programmed for frequency control over a wide range of frequencies. This is achieved by varying the voltage input to the crystal through an external programmable voltage control device (PVC). This method of frequency control reduces the time required to tune the oscillator to its operating frequency and greatly reduces the oscillator\'s power consumption.The 578L260CTT is also equipped with internal logic to reduce thermal hysteresis and improve frequency stability. The logic is designed to detect a voltage threshold and adjust the quartz crystal\'s voltage accordingly. This ensures optimum performance even with ambient temperature variations.Conclusion The 578L260CTT Oscillator is a variable frequency quartz XO which utilizes Programmable Voltage Control Technology (PVC) for superior stability, low noise, and fast frequency tuning. It is suitable for automotive, instrumentation, internet of things (IoT), and medical device applications. This oscillator utilizes a quartz crystal for frequency control and is equipped with internal logic to reduce thermal hysteresis and improve frequency stability.

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