AST3TQ-T-12.800MHZ-50-SW-T2

Frequency Stability:	±50ppb
Current - Supply (Disable) (Max):	--
Height - Seated (Max):	0.079" (2.00mm)
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):	7mA
Operating Temperature:	-40°C ~ 85°C
Series:	AST3TQ-50
Voltage - Supply:	3.3V
Output:	Clipped Sine Wave
Function:	--
Frequency:	12.8MHz
Type:	TCXO
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Oscillators: AST3TQ-T-12.800MHZ-50-SW-T2 Application Field and Working Principle

An oscillator is a device that generates an electrical signal, typically a sine wave or other periodic waveform. They are an indispensable element in many kinds of electrical circuits and electronic devices. AST3TQ-T-12.800MHz-50-SW-T2 is a type of oscillator that is composed of quartz crystal resonator, frequency control element and a power driving element. It is designed to provide low phase noise and superior frequency stability.

Application

AST3TQ-T-12.800MHz-50-SW-T2 oscillator is typically used in high-power amplifier, microwave communication, wiring testing and engineering equipment. Its wide range of applications are attributed to its high performance and reliable operation. It is often used along with signal generators, digital signal processor and controllers, radio receivers, and RADAR modules.

Operating Principle

The AST3TQ-T-12.800MHz-50-SW-T2 oscillator consists of three basic parts: a quartz crystal resonator, a frequency control element and a power driving element. The quartz crystal resonator is a piece of quartz, which acts as a piezoelectric transducer. When a voltage is applied, the crystal vibrates at a frequency that depends on the constant electrical characteristics of the crystal. The frequency control element is used for fine tuning and is usually a variable capacitance diode controlled by an external voltage. The power driving element is used to supply the required electric power to drive the resonator, and is typically a transistor based bipolar amplifier as it can provide a high power output with low electrical noise generation. When an alternating current is passed through the quartz crystal resonator, the alternating electric fields created by the current cause the crystal to vibrate at a particular resonant frequency. The frequency control element is then adjusted to fine tune the oscillations to the resonance frequency, and the power driving element is used to sustain the oscillations. The oscillations thus generated by the AST3TQ-T-12.800MHz-50-SW-T2 oscillator are then outputted as an electrical signal used in various applications.

Advantages

The AST3TQ-T-12.800MHz-50-SW-T2 oscillator offers several advantages over other types of oscillators. Firstly, because of the quality factor and low loss factor of quartz crystals, the quality factor (Q) of the AST3TQ-T-12.800MHz-50-SW-T2 oscillator is much higher than other types of oscillators, and hence it has improved frequency stability. Secondly, because of its high power driving element, the AST3TQ-T-12.800MHz-50-SW-T2 is able to generate a high power output with low electric noise generation. This makes it ideal for many high power applications, such as radio receivers, amplifiers and RADARs. Thirdly, this oscillator has a wide operating temperature range from -40°C to +85°C , which makes it suitable for many types of applications.

Conclusion

AST3TQ-T-12.800MHz-50-SW-T2 oscillator is an indispensable component in many types of electrical circuits and electronic devices. It is composed of a quartz crystal resonator, a frequency control element and a power driving element. It has many advantages such as improved frequency stability, high power output and low electric noise. It is suitable for many applications, such as high power amplifiers, microwave communication, wiring testing and engineering equipment.

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