Wednesday, January 16, 2013

MEMS oscillators difference: The Competitive Advantage CommunicationsSystems

allows the processors from the oscillators improving the performance level of parts to improve the system level. This has led to more features, higher performance and higher speeds for both end-user consumer products and enterprise systems. The need for higher speed communications systems, such as, for example, equipment used in server farms and 4G base stations persuaded the ever increasing demands for greater bandwidth. Acceleration of growth in high-speed serial data transmission network, storage and telecommunications innovation through the use of new technologies, such as those used in the solution of new frequency control. High-performance networking and communications systems require a high-quality stable timing component, which can support high frequencies with low noise. as a timing reference, differential oscillators plays an important role in high-performance, high-speed system. In contrast to single-ended oscillators, the lower frequencies are supported with a single signal, differential oscillators are generally supports frequencies up to 100 MHz. Differential oscillators using two signals of constant phase. The two-wire architecture reduces electrical interference due to noise affects both equally wire and canceled the receiver. In addition to eliminating common-mode noise coupling oscillators difference (expressed as PSRR or PSNS) more sensitive to power supply noise and reduce electromagnetic interference (EMI). In communication applications, timing devices should offer good signal integrity over a long period and a wide range of temperatures. This is an excellent frequency stability and low drift (Aging) specifications. Silicon MEMS, overtone quartz or surface acoustic wave (SAW) quartz: This difference oscillators is based on three technologies. Each of these technologies offers several performance parameters that affect the system timing margin. Among the three technologies, saw oscillators is the lowest frequency stability of ± 50 ppm over temperature and a year Aging of ± 5-10 ppm. Overtone crystal ossicillators better frequency stability of ± 20 ppm and a year aging of ± 1-3 ppm, but only support frequencies up to 200 MHz. Overtone oscillators also have start-up problems and are more reliable than seen oscillators because of their complexity. Silicon MEMS oscillators overcome these deficiencies. MEMS-based differential oscillators with frequencies up to 800 MHz, offer ± 10 ppm frequency stability over the industrial temperature range and ± 1 ppm-year-Aging - all with less than 1 ps RMS integrated phase jitter (12 kHz to 20 MHz). MEMS oscillators difference is the lowest power consumption and higher reliability. MEMS Oscillators more fantastic pros offers a programmable all-silicon platform. System Designer, you can use the best combination of features for their applications using MEMS-based devices, and they can get a custom-configured product in the shortest time. For example, the frequency can easily program to six decimal places of accuracy. Any combination of the type of signal (LVPECL, LVDS, CML or HCSL), operating voltages (V 2,5-3.3) and the options package (5.0 x 3.2 mm or 7.0 x 5.0 mm) is selected, the exact solution designers to optimize their system. MEMS-based differential oscillators With special features such as spread spectrum control, voltage regulation (VCXO) and temperature control (VCTCXO) available performance networking and communication systems activate realized by improving the level of parts. New technologies, such as MEMS-based oscillators differences bring technological advances that were not possible before. Using industry-standard footprint MEMS oscillators replace quartz oscillators and let the developers. Quickly and easily update their systems with no changes to the layout of the board Learn more: td