ASTMHTFL-25.000MHZ-AK-E

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Oscillators are basic electronic devices which are commonly used in a wide variety of applications. A common type of oscillator is the ASTMHTFL-25.000MHZ-AK-E, which is used in radio frequency products, such as transmitters, receivers, marine and other electronic applications.

Overview

The ASTMHTFL-25.000MHZ-AK-E oscillator is a low-cost, high-performance oscillator with a frequency stability of better than +/- 0.2 ppm over the industrial temperature range of -40°C to +85°C. The crystal oscillator has three frequency outputs which can be programmed using a control line that can be set to the desired frequency. The three frequency outputs are 25.000MHz, 25.500MHz and 26.000MHz that allow the oscillator to be used in a wide variety of applications and industries.

Features

The ASTMHTFL-25.000MHZ-AK-E oscillator features a wide supply voltage range of 2.7 to 5.5V, low power dissipation of 10mA typical at 3.3V, an operating frequency range of 25.000MHz to 26.000MHz, and a high frequency stability of better than +/- 0.2ppm over the full industrial temperature range of -40°C to +85°C. The frequency stability of the oscillator is guaranteed by using a high-precision, temperature-stable quartz crystal as the time base. The oscillator also features a CMOS output interface, a wide operating temperature range, and a low phase noise of -145dBc/Hz at 10KHz.

Applications

The ASTMHTFL-25.000MHZ-AK-E oscillator is widely used in radio frequency (RF) applications, such as RF transmitters, receivers, marine transceivers, cable modems, satellite systems, and other communications and navigation equipment. It is also used in cellular phones, base stations, wireless local area networks (WLANs), Radar systems, satellite communication systems and general-purpose wireless applications. The oscillating frequency of the oscillator can also be tuned by changing the voltage supply, allowing it to be used for a variety of other industrial applications.

Working Principle

The working principle of the ASTMTFL-25 Million MHZ AK-E oscillator is based on the “piezoelectric effect”. In this effect, when a quartz crystal is subjected to mechanical stress (physical strain), an electric charge is generated on its surface. The electric charge then travels along the quartz crystal, and when it reaches the end, it is turned back on itself. This oscillation generates an oscillating voltage, commonly known as an audio frequency signal. The frequency of the oscillation is determined by the shape, size and thickness of the crystal.

The ASTMHTFL-25.000MHZ-AK-E oscillator is designed so that the frequency of the oscillation is fixed by the crystal, while the amplitude of the oscillation is controlled by an amplifier. The amplifier can be used to control the frequency of the oscillation, and thus the frequency of the output signal, by adjusting the applied voltage. This allows the oscillator to be tuned to the desired output frequency.

In conclusion, the ASTMHTFL-25.000MHZ-AK-E oscillator is a high-performance, low-cost oscillator with a frequency stability of better than +/- 0.2ppm over the full industrial temperature range of -40°C to +85°C. It is used widely in radio frequency (RF) applications, such as RF transmitters, receivers, marine transceivers, cable modems, satellite systems, and other communications and navigation equipment. Its working principle is based on the “piezoelectric effect”.

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