353TB5C74AT

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Oscillators

An oscillator is a device or circuits that generates a steady, periodic signal. Oscillators are fundamental components used in most electronic circuit applications ranging from telecommunications, broadcast, biomedical engineering, audio, and automotive systems to countless others. In this article, we will focus on one particular type of oscillator—the353TB5C74AT— discussing its application field and working principle.

Application field:

The 353TB5C74AT oscillator is a temperature-compensated crystal oscillator (TCXO) designed for communications, networking, and precision frequency solutions. This reliable low-power oscillator offers a frequency stability or accuracy of ±0.5 ppm over a firm operating temperature range of -40°C to +85°C. This TCXO oscillator is suitable for various applications such as smartphones, GPS receivers, network Card, 3G/4G basestations, laptop, and navigation system.

Working principle:

This oscillator contains a highly stable quartz crystal and circuit elements to provide high accuracy and wide frequency range. As the picture depicts, the 353TB5C74AT oscillator has three pins, namely ground (GND) pin, supply-voltage (Vcc) pin, and Signal (OUT)Pin. The quartz crystal is connected to the circuit\'s feedback loop via the GND and the Vcc Pin and its output signal, which is the oscillating signal, is delivered through the output pin. These three pins are designed to operate with standard TTL logic circuits.

The way the oscillator works is that of an electronic feedback system where the output current of the amplifier is fed into the quartz crystal. The quartz crystal acts as a frequency selective filter that allows precise control of the output frequency of the oscillator. When a control voltage is applied, the oscillator\'s quartz crystal resonator, in combination with other circuit elements, will filter the voltage and deliver a precisely shaped output current and voltage waveform whose frequency can be adjusted to attain the desired output frequency.

In addition to providing high accuracy, the 353TB5C74AT oscillator also has low power consumption with an active current of 20 mA maximum at 3.3 Vdc. This makes it suitable for applications which require low-power operation and wireless communication systems.

The 353TB5C74AT TCXO oscillator is particularly useful for precision frequency applications. Its low power consumption and high stability make it ideal for applications that require highly reliable, precision frequency solutions.

The 353TB5C74AT oscillator is a versatile and reliable solution for a variety of applications. Its high stability, accuracy, and low power consumption make it an ideal choice for precision frequency solutions.

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