LP147F23IDT

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LP147F23IDT is a frequency control device. It can be used both in oscillators and transceiver front-end pulse modulators. It mainly consists of a quartz crystal and an accompanying load capacitors in a hermetically sealed, directional orientation-controlled case. The crystal frequencies of the device range from 32.768 kHz to 25 MHz.

Crystals

Crystals are generally used in the Electronics industry as frequency and time references. Quartz crystals have natural resonant frequencies that provide accurate frequency references for time keeping and frequency control applications. High-precision crystals are especially applied for digital switching, radio communications, and navigation. LP147F23IDTs is a type of crystal that is used for frequency control in applications such as oscillators and transceiver front-end pulse modulators.

Application Field

LP147F23IDT is mainly used in oscillators and transceiver front-end pulse modulators. Oscillators perform the function of generating an electrical signal of certain frequency and amplitude. Oscillators are available using different technologies, and quartz crystals are one of the most precise technologies. Quartz crystals can be used as frequency references in oscillators, as they have a consistent and precisely defined resonance frequency. LP147F23IDT crystals also can be used in transceiver front-end pulse modulators. Transceivers are integrated circuits that combine transmitters and receivers on a single module, allowing them to communicate in both directions. The front-end pulse modulator is the part of the transceiver that is responsible for modulating the signal for transmission.

Working Principle

LP147F23IDT crystals work by stimulating an oscillation in a quartz crystal by applying a precise voltage to it. When an electric field is applied to the crystal, it deforms and its internal structure goes from an ordered arrangement to a disordered one, releasing energy in the form of elastic distortion vibrations. This energy is then recaptured by the crystal, causing a self-restoring oscillation. This oscillation creates an electrical signal of a precise frequency, which is then used as reference signal to control signal generation.

LP147F23IDT crystals also feature an accompanying load capacitor in the same package, which ensures the successful functioning of the crystal. The load capacitor is essentially a parallel capacitor with a low ESR. It represents half the total capacitance of the circuit, and by resonating with the crystal, it allows the crystal to oscillate at a precise frequency.

LP147F23IDT crystals provide precise frequency charging and timing clocks for digital switching, radio communications, and navigation applications. Thanks to the small size and hermetically sealed orientation-controlled cases, LP147F23IDT crystals can be easily built into commercial and industrial devices.

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