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Friday, April 3, 2009

Rubidium FE-5650A Rubidium Frequency Standard 10 MHz











FE-5650A Specifications:




  • Frequency: 10 MHz

  • Settability: ±1 x10^-11 (range 2 x 10^-9)
  • Adjustment Range: 3 x 10^-9
  • Long Term Stability: 4 x 10^-11/month; 2 x 10^-10/year
  • Short Term Stability Averaging Time (SEC): f/f; 10^0 1.4 x 10^-11; 10^1 4.4 x 10^-12; 10^2 1.4 x 10^-12
  • Warm-up Time: <4 min. to 5 x 10^-10 @ 25º C; <10 min. to 5 x 10^-10 @ -55º C
  • Retrace: 1 x 10^-11 when measured at the same temperature, power off <24 hrs.

  • Output Voltage: 0.5 VRMS into 50 Ohm sinewave
  • Harmonic Distortion: -30 dB
  • SSB Phase Noise Offset from Signal: 10 MHz Phase Noise (1 Hz BW); 101 Hz 89 dBc; 102 Hz 125 dBc; 103 Hz 145 dBc
  • Voltage Variation: <1 x 10^-11 for input voltage range
  • Power Consumption, During Warm-Up: 45 Watts max
  • Power Consumption, After Warm-Up: 20 Watts max


Manufacturer's Page:



FE-5650A Rubidium Atomic Frequency Standard



i have full information on it. software,manual.pinout.it can reprogramme with RS232(range 1hz-20mhz).

with the software,it even become PATTERN generator.

they made in 2006 year 33th weeks.SO NO worry about the life.