Oscillator pair adds programmability to high-speed interfaces

Two programmable oscillators (P-SPXOs) from Epson, the SG-8503 and SG-8504, bring the convenience of programmable oscillator technology to high-speed interfaces, claims the company.

The P-SPXOs have a supply voltage of 2.5 to 3.3V and a wide frequency range from 50 up to 800MHZ and operate in the extended temperature range of -40 to +105 degree C. They offer standard SPXO stability of ±50ppm including aging, adds Epson.

The low jitter LVPECL has a maximum power consumption of less than 90mA maximum.

The SG-8503 and SG-8504 use a sigma delta fractional-n PLL to achieve very low jitter of 0.3 pico seconds RMS (12kHz to 20MHz). Frequencies are set using one time programming (OTP). The user can select from two or four frequencies with one or two pins.

Epson’s SG-8503 and SG-8504 oscillators can be ordered with 24-hour turnaround from distributors or you can program your own lab using Epson’s SG-Writer II and blanks. Accompanying software can be downloaded from Epson’s website.

Epson produces inkjet printers and digital printing systems, 3LCD projectors, watches and industrial robots. The Japan-based Seiko Epson group comprises more than 76,000 employees in 87 companies around the world.

Epson Europe Electronics is the marketing, engineering and sales European Headquarters for electronic devices of Seiko Epson, Japan. Since 1989 it has been headquartered in Munich, Germany with 50 employees. Epson Europe Electronics has European sales representatives and a European-wide network of distributors. Epson Europe Electronics provides value added services for semiconductors, sensors, sensing systems and timing devices for industrial, automotive, medical, and communications markets

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