SG-8018CB 20.5000M-TJHSA0

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Oscillators are vital components in electronic systems, and the SG-8018CB 20.5000M-TJHSA0 is an engineering-grade voltage-controlled crystal oscillator (VCXO) designed for precision timing applications including frequency reference and synchronization. This article will provide an overview of the application field and working principle of the SG-8018CB 20.5000M-TJHSA0 oscillator.

The SG-8018CB 20.5000M-TJHSA0 is a miniaturized, 4-pad submount oscillator and features a tight stability of ±20 ppb over the temperature range of -40°C to +85°C. As a result, the oscillator is suitable for accurate frequency reference in various precision timing systems such as test instrument, timing/synchronization networks, wireless infrastructure base stations, and aerospace systems. It also meets the most stringent requirements for low-phase noise, jitter, and phase-noise in moderate-noise, noise-sensitive systems.

The SG-8018CB 20.5000M-TJHSA0 features a 7.0 by 5.0 mm, four-pad, surface mounted package with improved shock and vibration performance at frequencies up to 2,000 hertz and mechanical tolerances of 0.5 mm. The lead-free, RoHS compliant oscillator operates at +3.3V with a maximum current consumption of 8mA and a second overtone fundamental frequency of 20.5000 MHz with 50 ppm frequency stability. This oscillator is also designed to meet the requirements of MIL-PRF-55310, LVDS-I, MIL-PRF-23936, and MIL-STD-883E.

The SG-8018CB 20.5000M-TJHSA0 oscillator has a unique working principle, which is based on the vibration of a quartz crystal. The crystal is arranged in the oscillator circuitry such that when a voltage current is applied to it, it vibrates at its resonant frequency. By varying the voltage applied to the crystal, it is possible to vary the frequency of the oscillator, thus enabling precise frequency control. The circuit also includes a feedback loop that ensures the stability of the oscillator.

In addition to its frequency control capabilities, the SG-8018CB 20.5000M-TJHSA0 also offers excellent performance in terms of phase noise and jitter. It has low phase noise levels of -155 dBc/Hz at 1 KHz offset and high jitter performance of -66 dBc at 1 KHz offset. This makes the oscillator suitable for precision system timing applications that require low jitter and low phase noise. The SG-8018CB 20.5000M-TJHSA0 also offers excellent temperature stability, making it ideal for applications that require frequency accuracy over a wide temperature range.

In conclusion, the SG-8018CB 20.5000M-TJHSA0 voltage-controlled crystal oscillator is an engineering-grade precision timing solution designed for reliable operation in mission-critical applications. The oscillator offers excellent stability, low jitter and phase noise performance, as well as tight frequency control, making it suitable for a variety of applications such as test instrumentation, frequency reference, wireless infrastructure base stations, and synchronisation networks. Its unique working principle based on quartz vibration offers precise frequency control that can be easily adjusted for a variety of applications.

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