產品品牌：

美國SRS

產品型號：

PRS10

具體的規格參數如下：
♦輸出
輸出頻率                               10 MHz sine wave
振幅                                       0.5 Vrms, ±10 %
相位噪聲 (SSB)                  < −130 dBc/Hz (10 Hz)
                                               < −140 dBc/Hz (100 Hz)
失真度                                   < −130 dBc (100 kHz BW)
諧波失真                               < −25 dBc
回波損耗                               >25 dB @ 10 MHz
                                       ±5 × 10−11
老化(after 30 days)             <5 × 10−11 (monthly)
                                               <5 × 10−10 (yearly)
短期穩定性                           <2 × 10−11 (1 s)
(Allan variance)                   <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
調整范圍                              ±2 × 10−9 (0 to 5 VDC)
                                               ±1 ppm (via RS-232)
預熱時間                              <6 minutes (time to lock)
                                              <7 minutes (time to 1 × 10−9)
電壓靈敏度                          <2 × 10−11 (1 VDC supply change)
♦電相關
輸入電壓                              +24 VDC (nom.), +22 VDC (min.),
                                              +30 VDC (max.)
電流                                      2.2 A (warm-up), 0.6 A (steady-state)at 25 °C (Note 1)
保護電壓                             ±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 5V levels with X-on/X-off protocol
1 pps 測試                           ±10 ns (accuracy), ±1 ns (resolution)
1 pps 輸出設定                   ±10 ns (accuracy), ±1 ns (resolution)
♦外部環境
操作溫度                              −20 °C to +65 °C (baseplate)
溫度穩定性                          ±1 × 10−10(−20 °C to +65 °C baseplate)
存儲溫度                              −55 °C to +85 °C
磁場                                      <2 × 10−10 for 1 Gauss field reversal
相對濕度                             95 % (non-condensing)
♦規格
設計年限                             20 yrs.
尺寸                                     2.00" × 3.00" × 4.00" (HWD)
重量                                     1.32 lbs.
底板螺紋                             4-40 (4 places)
連接器                                 Mates with ITT/Cannon DAM11W1S series
保修                                    Two year parts and labor on defectsin materials and workmanship