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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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