The new VC40 from Precision Devices is a high-frequency, voltage-controlled crystal oscillator (VCXO) which covers the frequency range from 60 MHz to 800 MHz, making it suitable for applications including 4G wireless infrastructure, instrumentation and other high-speed data applications.
To ensure accuracy, the device can be adjusted by as much as ±100 ppm via the voltage adjustment pin, over a tuning range of 0 V to 3,3 V. Stability is ±50 ppm over an operating temperature range of -40°C to +85°C. The VC40 uses high-frequency fundamental (HFF) technology to generate frequencies up to 230 MHz with low phase noise. For higher frequencies, a phase locked loop is avoided, and analog technology is used instead to provide low phase noise and jitter. The device operates from a 3,3 V supply voltage, and is provided in a 14 x 9 mm SMT package.
The VC40 provides a four-pad LVCMOS output or a six-pad dual complementary output which can be configured to operate at LVDS or LVPECL.
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