Temex of France, a specialist in the field of high-performance time and frequency components and sub-systems, has launched a small-size Oven Controlled Crystal Oscillator (OCXO) in a 25mm x 25mm flat-pack package for space applications. This new low-consumption OCXO is designed specifically for applications such as deep-space up/down link transceivers where a wide operating temperature range and low energy consumption are critical.“
Designed to meet the ESA SCC3501 specification and in accordance with the MIL-PRF-55310 standard, the new low-consumption OCXO offers key advantages such as a frequency range of 30 to 120 MHz; a small size of just 25mm x 25mm x 17mm; a stability of ±0.1ppm nominal over a temperature range of -25°C to +70°C (vacuum condition); ageing of just ±2ppm after 15 years; consumption of only 0.3W at 25°C in steady state (vacuum condition); a supply voltage of 9 volts; and a phase noise floor at -155dBc/Hz at 100KHz from the carrier.
The frequency stability of this new OCXO has a positive impact on satellite transceiver performances. The transmission range is secured by the higher stability of the frequency and the low energy consumption is a mandatory requirement for space-borne equipment. A breadboard model or an engineering model of this new OCXO are available for system validation.
Philip Jolly | alfa
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Researchers from the Institute for Quantum Computing (IQC) at the University of Waterloo led the development of a new extensible wiring technique capable of controlling superconducting quantum bits, representing a significant step towards to the realization of a scalable quantum computer.
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