TD-19.440MCD-T

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Oscillators

The TD-19.440MCD-T oscillators are temperature compensated crystal oscillators (TCXO) designed to operate in the frequency of 19.440 ± 0.002MHz, and are used in applications where extreme frequency accuracy is essential. They are used for many consumer, automotive, military, aerospace, industrial, and telecommunications purposes, including GSM/GPS synchronization and radar applications.

The TD-19.440MCD-T oscillators use an oscillator circuit and crystal components of high quality and stability. This combination helps to achieve a frequency accuracy of ±0.002 MHz over an operating temperature range of -20°C to +70°C. Horizontal and vertical mounting options are available, and the overall footprint is extremely small.

The essential components of a TD-19.440MCD-T oscillator include a quartz crystal, a resonator, a driver circuit, an amplifier, and an output circuit. The quartz crystal is the most important component of the oscillator circuit as it has a stable frequency of oscillation that is a function of its material and size. The resonator is placed outside the circuit to avoid any interference with the crystal or the oscillator circuit. The driver circuit applies an electrical impulse to the crystal, which then resonates at its frequency, producing an oscillating signal. The amplifier amplifies the signal to a level that is sufficient to provide an output, and the output circuit buffers the output signal and supplies it to the user.

Overall, the TD-19.440MHz oscillators come with many advantages and are widely used in various applications. Their high frequency accuracy, combined with small size and reliable operation make them ideal for applications requiring maximum frequency accuracy. They are also reasonably priced and therefore a cost-effective option for many applications.

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