SG-9101CB-D05SGBCB

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Programmable oscillators are electrical circuits that generate a periodic electronic signal, usually sine wave or a square wave. They are typically used as timing devices in microprocessors, digital signal processors, and other digital components. Comprehensive applications may include RF communications, navigation, electricity metering and distributed energy resources.

One of the popular programmable oscillators is SG-9101CB-D05SGBCB. It is a highly reliable, programmable quartz oscillator, with a long term stability of 0.10 ppm over a temperature range of -20 to 70°C and a wide range of frequencies between 20 and 50 MHz. It has a low power consumption of 0.02 W, a small form factor with a 6-pin Dual-In-Line and a steady state phase noise better than -135 dBc/Hz.

The main application field of SG-9101CB-D05SGBCB is wireless communication equipment. The chip is used as a clock source for wavelength division multiplexing and CDMA applications. The multi-stage phase-locked loop system within it can accurately select a frequency within a wide range and generate a stable signal. It also has excellent jitter performance, which is very important in high speed communication systems. Besides, it can be applied to telecommunication, aerospace and digital imaging systems.

The working principle of SG-9101CB-D05SGBCB is based on the use of quartz crystal resonator. Initially, a voltage pulse is applied to the quartz resonator to get a weak output which is amplified by the amplifier. Then, the amplified signal is fed back to the resonator and creates a positive feedback system. This feedback creates a self-oscillating circuit which Results in a square wave oscillation.

The oscillator is then divided down to the desired frequency by frequency dividers. The frequency dividers are used to divide the output frequency down to the desired level. This is achieved by feeding the divided square wave back to the oscillator at each stage. The result is a stable square wave. Finally, the output goes through a filter to remove noise.

SG-9101CB-D05SGBCB is a reliable, programmable quartz oscillator capable of providing a steady output signal with broad usability. It is commonly used in a range of applications including wireless communication, navigation, electricity metering and distributed energy resources. As with other programmable oscillators, it works by leveraging the use of a quartz crystal resonator and frequency dividers to generate a stable square wave.

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