四通道数字延时脉冲发生器

DG535四通道数字延时脉冲发生器

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2022-05-03 18:30:02
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先锋科技(香港)股份有限公司

先锋科技(香港)股份有限公司

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产品简介

先锋科技代理的美国SRS四通道数字延时脉冲发生器,是应用Z为广泛的时序控制器,其高精度、低抖动等高性能参数*您高要求的科研需求。

详细介绍

 

DG535四通道数字延时脉冲发生器

 

DG535数字延时脉冲发生器提供四路独立的延时通道和2路完整的脉冲输出。其延时分辨率高达5ps,通道之间的抖动小于50ps。前面板可以设置延时时间和脉冲宽度,并且以TTL、ECL、NIM或者变量电压形式BNC输出。输出阻抗既有50Ω低阻抗,又有1MΩ的高阻抗。其高精度、低抖动、宽的延时范围使DG535成为激光时序控制、自动测试和高精度脉冲应用的选择,是同类产品中的时序控制器。

四通道数字延时脉冲发生器性能参数:
延时
通道                       Four independent delay outputs
范围                       0 to 999.999,999,999,995 seconds
分辨率                    5 ps
精度                       1500 ps timebase error × delay
Timebase                Standard: 25 ppm crystal oscillator
                              Optional: 1 ppm TCXO (opt. 03)
                              External: 10.0 MHz reference input
RMS抖动                <100 ps (10−8 × delay)
触发延时(typ.)         85 ns (ext. trigger to T0 output)
外部触发
比率                       DC to 1/(1 μs longest delay)
幅值                      ±2.56 VDC
分辨率                   10 mV
斜率                      Trigger on rising or falling edge
阻抗                      1 MΩ 40 pF or 50 Ω
内置比率发生器
比率                      Single shot, 0.001 Hz to 1.000 MHz, or line
分辨率                   Four digits, 0.001 Hz below 10 Hz
精度                      Same as timebase
抖动                      1:10,000
Settling                  <2 seconds for any rate change
突发模式                2 to 32766 pulses per burst at integer multiples (4 to 32767) of the trigger period
输出
阻抗                      50 Ω or high impedance
上升时间                2 to 3 ns (typ.)
转换速率                1 V/ns
Overshoot               <100 mV 10 % of pulse amplitude
电压幅值                 TTL: 0 to 4 VDC (normal or inverted)
                              ECL: −1.8 to −0.8 VDC (normal or inverted)
                              NIM: −0.8 to 0.0 VDC (normal or inverted)
                              VAR: Adjustable offset and amplitude between −3 and 4 VDC with 10 mV 
                                      resolution.4 V maximum transition.
精度                       ±(50 mV 3 % of pulse amplitude)
规格
显示                       backlit 20-character LCD
计算机接口             GPIB (IEEE-488). All instrument functions and settings may be controlled 
                              over the interface bus. Interface queue can be viewed from the front panel.
尺寸                       8.5" × 4.75" × 14" (WHD)
重量                       10 lbs.
功率                       70 W, 100/120/220/240 VAC,50/60 Hz
保修                       One year parts and labor on defects in materials and workmanship


上图为延时脉冲时序示范图。前面板的输出都可以通过前面板或者远程进行设定,十分方便易行。每一个延时输出都可以以T0时刻为零时刻进行设定:(例如)

 

A = T0 0.00125000
B = A  0.00000005
C = T0 0.10000000
D = C  0.00100000

 

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