SG-9101CB-C20SGBAA

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Programmable Oscillator, in general, are essentially a frequency setting device which actually is able to enable a precise frequency to be generated, and offer significant improvement to the performance of a radio communication system. The SG-9101CB-C20SGBAA is a single-channel, differential-output wideband oscillator designed for use in frequency-selective applications. The oscillator package is in a compact surface-mountable form, making it ideal for space-constrained installations or installations with space and weight restrictions.

Application Field and Working Principle of SG-9101CB-C20SGBAA

The SG-9101CB-C20SGBAA oscillator can be applied in multiple radio frequency (RF) applications such as wireless communication, satellite communication, and even instrumentation. Not only is it designed with up to 200-MHz carrier frequency and differential output, but its various features also make it desirable for many applications. These features include a low phase noise, fast tuning time, stable frequency, and multiple output levels.

This oscillator works in the following way. It features a differential RF output and a frequency synthesizing IC (integrated circuit). The oscillator consists of a wideband varactor-tuned resonator and a single-closeed-loop frequency synthesizer IC. The integrated circuit includes an inbuilt phase-locked loop (PLL) and a programmable divider circuit. The PLL is what enables the oscillator to maintain a stable frequency range and provides for fine tuning within the range.

The phase noise is controlled by a phase rotator circuit that is based on a phase-locked loop. This phase noise is used to reduce the harmonics of the output signal and keep the phase deviation of the output waveform at minimum. The phase-locked loop maintains a constant phase difference between the reference and the VCO waveforms around a lock point. A controlling voltage input is connected to the VCO which controls the output frequency.

In addition, the SG-9101CB-C20SGBAA oscillator also features a programmable clock divider. This divider can be configured to program the output frequency range and provide output stage selection with frequency step of 1 Hz. The divider is adjustable either on the fly or with a software program, depending on the signals being generated and the application.

Finally, the oscillator also features a differential output stage, where two signals are generated: one for the reference and another for the VCO waveforms. These two signals can be used for synchronization, or for comparison when tuning or verifying the frequency of a signal.

To summarize, the SG-9101CB-C20SGBAA oscillator has multiple advantages and is a reliable, wideband solution for many RF applications. Aside from a wide range of frequencies and phase noise controlling, its fast tuning time, stable frequencies, low power consumption, and multiple output levels are what make it a great choice for frequency-selective applications.

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