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Oscillators

Oscillators are electrical circuits, components, or systems that generate a periodic signal. These signals are usually alternating, such as sine, triangular or pulse waveforms. While other kinds of signals like square waves or rectangular waves are periodic and repeat, oscillators are characterized by their ability to generate consistent and repeatable signals.

SG-51P 18.0000MC:ROHS application field and working principle

SG-51P 18.0000MC:ROHS is a high-performance OACH oscillator which has high frequency stability, excellent phase noise performance and a high-frequency range up to 40GHz.It is suitable in a variety of applications in the medical, aerospace and telecommunication industries, which include receivers, local oscillators, phase locked loops and microwave radios. It offers a great level of performance and is cost-effective compared to other oscillators.

SG-51P 18.0000MC:ROHS integrates the PLL (Phase-locked Loop) IC device of Epson in the oscillator. Counter frequency step, providing PECL format output, using a digital filter structure. This helps to achieve fairly good phase noise specifications.

The oscillator uses a Voltage Controlled Oscillator (VCO) as its Timing Source. This is where the oscillation frequency is determined by the control voltage input. The output from the VCO is then divided in a Frequency Divider with a fixed clock cycle, and a frequency reference is often used as a reference signal for the divider. The result is a signal at a fixed frequency.

The output of the divider is then fed into low-pass filter, which filters out the high frequency components of the signal and leaves a clean low frequency signal. This signal is then fed into a Charge Pump, which uses the voltage corresponding to the remaining low frequency components of the signal to generate a voltage control signal. This control signal is then used to provide the control voltage to the VCO.

The Charge Pump helps to keep the output of the oscillator at a constant frequency even if there is a slight change in the input voltage. This is the principle on which the SG-51P 18.0000MC:ROHS OACH oscillator operates.The oscillator produces a very good frequency stability and phase noise performance. The overall performance has been extensively tested and proven in many applications.

SG-51P 18.0000MC:ROHS is an ideal solution for many applications, thanks to its excellent performance at a low price. The oscillator is cost-effective and provides excellent frequency stability and phase noise performance. It is well-suited for applications in the medical, aerospace and telecommunications industries. This oscillator provides a great level of performance and is definitely worth looking into.

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