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      高稳晶振、铷钟
      位置:首页 | 高稳晶振、铷钟 | PRS10 铷钟

      PRS10 铷钟

      PRS10铷原子振荡器是美国 SRS 公司生产的高性能铷原子振荡器产品,具有低相噪、低漂移、稳定度高等特点。可广泛应用于电信、时统、雷达、计量标准等领域。 PRS10是一款超低相位噪声的10MHz铷原子振荡器件。极低的月老化率(<5E-11),使其非常适合作为一款时基部件用于精密的频率测量。该振荡器有一个1pps输入端口可用于外部参考标准(如GPS)进行锁相并具有72小时Strautm 1 Level的保持能力。铷灯的使用寿命预期可达20年且该器件被有一个标准RS-232计算机接口。


      超低相位噪声(<-130 dBc/Hz at 10 Hz)

      1pps输入用于时间标记或者相位锁定

      72小时Strautm 1 Level的保持能力

      可利用RS232接口进行测试,控制及校准

      寿命可达二十年


      Specifications


      Output




      Output frequency

      10 MHz sine wave


      Amplitude

      0.5 Vrms, ±10 %


      Phase noise (SSB)

      <-130 dBc/Hz (10 Hz)
      <-140 dBc/Hz (100 Hz)


      Spurious

      <-130 dBc (100 kHz BW)


      Harmonic distortion

      <-25 dBc


      Return loss

      >25 dB @ 10 MHz


      Accuracy at shipment

      ±5 × 10-11


      Aging (after 30 days)

      <5 ×10-11 (monthly), <5 × 10-10 (yearly)


      Short term stability
          (Allan variance)

      <2 × 10-11 (1 s)
      <1 × 10-11 (10 s)
      <2 × 10-12 (100 s)


      Holdover

      72 hour Stratum 1 level


      Frequency retrace

      ±5 × 10-11 (72 hrs. off then 72 hrs. on)


      Settability

      <5 × 10-12


      Trim range

      ±2 × 10-9 (0 to 5 VDC)
      ±1 ppm (via RS-232)


      Warm-up time

      <6 minutes (time to lock)
      <7 minutes (time to 1 × 10-9)


      Voltage sensitivity

      <2 × 10-11 (1 VDC supply change)


      Electrical


      Input voltage

      +24 VDC (nom.), +22 VDC (min.), +30 VDC (max.)


      Current

      2.2 A (warm-up), 0.6 A (steady-state) at 25°C (Note 1)


      Protection

      ±30 VDC to any pin except rf out


      RF protection

      100 mA (stable w/ any termination)


      Cal reference out

      5.00 ± 0.05 VDC


      RS-232

      9600 baud, 8 bits, no parity, 1 stop bit, 0 to 5 V levels with X-on/X-off protocol


      1 pps measurement

      ±10 ns (accuracy), ±1 ns (resolution)


      1 pps output set

      ±10 ns (accuracy), ±1 ns (resolution)


      Environmental


      Operating temperature

      -20 °C to +65 °C baseplate


      Temperature stability

      ±1 × 10-10 (-20 °C to +65 °C baseplate)


      Storage temperature

      -55 °C to +85 °C


      Magnetic field

      <2 × 10-10 for 1 Gauss field reversal


      Relative humidity

      95 % (non-condensing)


      Miscellaneous


      Design life2

      20 yrs.


      Size

      3.0" × 2.0" × 4.0" (WHL)


      Weight

      1.32 lbs.


      Baseplate threads

      4-40 (4 places)


      Connector

      Mates with ITT/Cannon DAM11W1S series


      Warranty

      Two years parts and labor on defects in materials and workmanship


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