7L-38.400MDG-T

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The 7L-38.400MDG-T is an oscillator composed of a quartz crystal tuning fork, a capacitive resonator, and a coaxial cable. It is designed for use in the fields of telecommunications, navigation, radar, medical instrumentation, and other ultra-high frequency applications. Its nominal frequency range is between 10 Hz and 800 MHz.

Oscillators are core building blocks in a wide range of communications systems. They are used to generate a selection of precise signal frequencies needed in different systems. Oscillator circuits are commonly used to modulate signals, create harmonic frequencies, provide timing pulses, and help to control data rates.

The 7L-38.400MDG-T oscillator is a voltage controlled oscillator (VCO), as opposed to a voltage controlled crystal oscillator (VCXO), which has a comparatively more restricted output frequency range. The 7L-38.400MDG-T utilizes a quartz crystal oscillator as the frequency reference for its output signal, meaning that it is fundamentally more accurate and reliable than VCO alternatives such as the ring oscillator, or the Pierce oscillator.

The 7L-38.400MDG-T utilizes a circuit composed of a quartz crystal tuning fork, a capacitive resonator and a coaxial cable. The resonator acts as a kind of voltage amplifier, increasing the quality factor of the output signal, and allowing for higher output power than what can be achieved by simple quartz crystal oscillators. The coaxial cable acts as the electrical connection between the crystal and the input and output ports of the oscillator. This connection helps to reduce electrical interference and noise.

The working principle of the 7L-38.400MDG-T oscillator is relatively straight-forward. A high frequency voltage, usually between an AC power supply and ground, is fed through the capacitive resonator. This creates an electrical field, which is then used to vibrate the quartz crystal. The vibrations of the quartz crystal cause a frequency change in the output signal. By changing the input voltage, the frequency of the output signal can be adjusted up and down.

The 7L-38.400MDG-T oscillator is designed for use in applications requiring precise and reliable frequency generation. It is an attractive choice for telecommunications, navigation, radar, medical instrumentation, and other ultra-high frequency applications due to its wide frequency range and excellent accuracy. Furthermore, its robust design makes it suitable for both laboratory test equipment and on-site field testing.

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