Low Phase Noise Rb Atomic Clock, 10MHz Sine Wave Output, 24Vdc Supply

XHTF1012LN is a high-performance rubidium atomic clock with an extremely low phase noise output. It is mainly used in ground and shipborne radar, communication and weapon systems to provide a high-precision, low-noise clock reference for the system.

The high-performance miniaturised rubidium atomic reference provides a highly stable, low-drift frequency reference signal, and a digital phase-locked loop with adjustable bandwidth processes the frequency reference again to filter out noise and spikes. Using the digital phase-locked loop approach ensures excellent mid-to-long term stability and drift rate compared to the atomic frequency standard, and it makes it compatible with the ultra-low phase noise and short-term frequency stability of crystal oscillators.

The XHTF1012LN achieves a frequency stability better than 5 10-12 / 1s and 5 10-13 / 100s, and a frequency drift rate better than 5 10-13 / day. At the same time, the output signal has a phase noise index better than -105dBc / Hz @ 1Hz, -135dBc / Hz @ 10Hz, -155dBc / Hz @ 1kHz. The XHTF1012LN adopts time difference measurement and tame algorithm technology, and also has the characteristics of fast tame and high precision punctuality with external reference seconds.

The XHTF1012LN has RS-232C serial port, 1 PPS input for synchronisation, a 1 PPS output and the 10MHz output.