SIT1602BC-11-25N-4.096000E

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Oscillators are electronic components that generate electrical signals at certain frequencies. The SIT1602BC-11-25N-4.096000E is a temperature compensated oscillator (TCXO).

Application Field

This particular oscillator is used in a variety of applications including communications, radio transmissions, industrial equipment, medical devices, consumer electronics, and test and measurement equipment. The wide frequency range of 4.096MHz makes this TCXO suitable for a variety of applications requiring high frequency stability in the frequency range of 50MHz to 1000MHz. It has a typical aging rate of 0.8ppm/year and a special shielding means improved accuracy performance.This oscillator can also be used as an excellent clocking mechanism for embedded systems where precise frequency accuracy is required such as in medical or scientific applications, as well as mobile devices and GPS systems.

Working Principle

The TCXO utilizes a highly stable quartz crystal to provide a precise frequency. To counteract temperature changes, the TCXO features a temperature compensated crystal oscillator (TCXO) circuit. This circuit is an advanced negative temperature coefficient (NTC) controlled temperature compensation to even out the natural frequency instability of the crystal. The NTC component is a transistor paired with a capacitor, connected in series. This combination compensates for the frequency variations in the crystal resulting in a highly stable frequency output.

The TCXO also has a voltage control oscillator (VCO) circuit. This circuit is an adjustable capacitor which is used to vary the oscillation frequency, allowing it to be tuned to the required frequency. This allows the device to operate over a wide range of temperatures without requiring costly compensation circuits. This feature ensures that the output waveform is stable and accurate.

The SIT1602BC-11-25N-4.09600E also has excellent power supply rejection ratio (PSRR) with the nominal PSRR at the ±8.5V supply voltage range being more than 46dB. It also features an onboard voltage regulator and filters which help reduce high frequency noise and further improve the output accuracy.

In conclusion, the SIT1602BC-11-25N-4.09600E TCXO is an extremely accurate and reliable oscillator, suitable for a variety of applications requiring high frequency stability and accuracy. Its wide frequency range, special shielding, and other features make it ideal for applications such as medical, scientific, and embedded systems.

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