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