SIT8208AC-21-18S-37.500000Y

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Oscillators

Oscillators are electronic components that produce alternating electrical signals. The most commonly used oscillator circuit is based on a resonator circuit operating in either the voltage or current mode. It is typically used to generate a repetitive, sinusoidal waveform, such as a sine wave, square wave, or sawtooth wave. Oscillators are used in a wide range of electronic applications such as electronic communications, process control systems, analog and digital electronics, and automotive systems.

One type of oscillator is the SIT8208AC-21-18S-37.500000Y. This oscillator is a voltage-controlled oscillator (VCO) that operates in the frequency range of 10MHz to 40MHz with a frequency stability of ±20ppm over a temperature range of -40℃ to +85℃. It is constructed with an E-MOSFET, a voltage-controlled frequency divider, and an amplifier. The oscillator has a temperature-compensated output with excellent phase noise performance.

The working principle of this oscillator starts with the E-MOSFET providing a signal in the form of an array of pulses. The pulses are rectified by the voltage-controlled frequency divider, which are then amplified by the amplifier. The amplified pulses create a voltage output that is used as a control signal to maintain the oscillator’s frequency. The output of the oscillator is a sine wave with a frequency value determined by the control signal.

The SIT8208AC-21-18S-37.500000Y oscillator can be used in a wide range of applications, including but not limited to, radio frequency (RF) and wireless communications, television, satellite and cable systems, process control systems, computer systems, and automotive electronics. Due to its excellent temperature and phase noise performance, the oscillator can also be used in high precision, high accuracy systems.

In conclusion, the SIT8208AC-21-18S-37.500000Y oscillator is a voltage-controlled oscillator that operates in the frequency range of 10MHz to 40MHz with excellent temperature stability and phase noise performance. It can be used in a wide range of applications, including communications, process control, and automotive electronics.

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