EG-2121CA 175.0000M-PHPAB

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Oscillators are electronic circuits used to generate repetitive or aperiodic signals. The signals generated by oscillators are often used as inputs for other circuits, as timing references, for test and measurement applications, or to control or synchronize other subsystems. The EG-2121CA 175.0000M-PHPAB is an example of a type of oscillator called a phase-locked-loop (PLL) or phase-locked-loop frequency synthesizer clock generator.

The EG-2121CA is designed to be used in many different types of circuits in a variety of markets and applications. It is often used in ultra-low power and low jitter circuits for use in telecommunications, data transmission, test and measurement applications, embedded processes, distributed systems, and portable communication devices. It is also sometimes used in medical and industrial applications.

The EG-2121CA features a reference crystal oscillator that can be programmed to any frequency from 8 Hz - 150 kHz. The circuitry in the oscillator includes dual-loop phase-locked-loop (PLL) frequency synthesizer that can be driven by the reference oscillator, a digital programmable output divider that can divide the output frequency by a presettable factor, and a low phase-noise voltage-controlled oscillator (VCO). This combination of components allows for the generation of a wide range of programmable frequencies with a very low jitter and low power consumption.

The EG-2121CA uses the fundamental principles of a PLL frequency synthesizer to generate its output signal. A signal of a certain frequency is sent to the internal phase-frequency-detector (PFD), which then uses the reference signal to determine the exact phase angle of the input signal. This phase angle is then used to adjust the frequency of the output signal of the VCO until it is in phase with the reference signal. In this way, a steady-state loop is formed, where the VCO’s signal is locked onto the reference signal without fluctuations in frequency or phase.

The EG-2121CA utilizes a crystal oscillator as its reference signal source. Crystal oscillators are highly accurate and stable oscillators with very low noise levels, which makes them ideal for use in frequency synthesis applications. The crystal can be programmed to any frequency between 8 Hz and 150 kHz, thus allowing a wide range of output frequency options for the end application.

The output from the PLL frequency synthesizer can be further divided by the digital divider which resides in the oscillator. This divider can divide the output signal by a programmable presettable divider factor any value from 1 to 256. This allows a wide range of different output frequencies that can be selected for any given application.

The EG-2121CA has a minimum spurious level of -85 dBc in compliance with MIL-STD-461D and is designed to operate up to 55 kHz. It has a power consumption of 60 mW, which makes it suitable for use in low-power applications. It features an adjustable output drive current and programmable output enable/disable pin, so it can be used in a wide range of applications with ease.

The EG-2121CA contains a low phase-noise VCO which ensures that the output signal is of a high-quality and low jitter level. The PLL frequency synthesizer provides a very low jitter output and is optimized for ultra-low power operation. The digital programmable output divider provides a wide range of output frequency options, making it a great choice for any application where multiple frequencies are needed.

The EG-2121CA is an excellent choice for many applications including telecommunications, data transmission, test and measurement, embedded processes, distributed systems, and portable communication devices. Its low-power consumption, wide frequency range, low jitter, and high-quality output make it a great choice for many applications.

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