SIT1602BC-12-18S-38.400000E

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Oscillators are electronic components that produces a repetitive signal, typically a sine wave or a square wave. In comparison to the other electronic circuit elements, oscillators are quite unique as they are capable of producing an oscillating output without any input. This makes them ideal for a wide range of application fields, such as radio and telecommunications, musical instruments, digital systems, and clocks. The SIT1602BC-12-18S-38.400000E oscillator is no exception and can be used for a variety of applications.

The SIT1602BC-12-18S-38.400000E oscillator is a type of voltage-controlled crystal oscillator (VCXO). The device is a quartz-based crystal oscillator and provides an output signal (or clock) that is frequency-locked to an applied input voltage. Specifically, the output frequency of the SIT1602BC-12-18S-38.400000E is adjusted by an input voltage that ranges from 0 to 4 Volts, although the exact range may depend on the particular device. The oscillator also features a programmable pull-range with a typical value of +/- 5 to 8 PPM (parts per million) of the nominal output frequency. This allows for precision tuning of the output frequency, which can be useful for critical applications.

In terms of application field, the SIT1602BC-12-18S-38.400000E can be employed in numerous scenarios. It is commonly available in 32-pin DIP or SOIC packages, making it suitable for use in tight spaces. An extension of the device, the SIT1602BC-12-18S-38T-40.000000E, is also available which offers a higher pull range (+/- 20 PPM) and a lower nominal frequency (40MHz instead of 38.4MHz). Both versions are highly suitable for use as clock sources in timing circuits, such as phase-locked loops (PLLs) or delay-locked loops (DLLs). Additionally, the low input voltage and tight frequency tuning capabilities make the SIT1602BC-12-18S-38.400000E ideal for use as a frequency synthesizer for ultra-low power applications.

As for the working principle of the SIT1602BC-12-18S-38.400000E, the oscillator provides a stable and continuous square wave output that is based on the interaction between a quartz crystal resonator and an LC resonant circuit. The resonance of the crystal is determined by cutting it in a specific shape to produce a specific frequency response. The output of the crystal is then further conditioned and amplified to produce a continuous square wave. The output frequency can then be adjusted by applying an external voltage to the input of the device. This voltage controls the capacitance of a varactor diode that is embedded in the oscillator, which in turn changes the resonance frequency of the crystal.

The SIT1602BC-12-18S-38.400000E offers a combination of features and advantages that make it well-suited to a wide selection of applications, from frequency synthesizers to clock sources for PLLs and DLLs. Its excellent frequency tuning capabilities combined with its low-voltage input make the device ideal for low-power applications, and its availability in a variety of different package types make it suitable for use in almost any application environment.

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