产品特点
可生成快速互补脉冲输出
支持双量程可编程延时与脉冲宽度调节
标称可编程幅度：0至750毫伏（常规）/0至375毫伏（LVDS）
典型上升/下降时间75皮秒（10%-90%）
脉冲宽度最小可达100皮秒（半高全宽）
可编程触发阈值
支持USB或标准5V micro-USB电源供电
可通过USB、RS-232或微调电位器控制；支持可选SPI接口
紧凑挤压外壳，可选配安装法兰
适用场景
产品描述
T240是一款具备互补输出功能的外触发脉冲发生器，其初始设计目标是通过配套的功率放大器与偏置T型接头驱动电光调制器。
该设备拥有低于100皮秒的上升/下降时间及可编程脉宽范围，非常适合用于驱动泵浦光纤系统中的种子激光器，以及快速脉冲调制、相位漂移和谐波生成等射频应用领域。此外，在时域器件特性分析建模、半导体测试和系统电缆/时序校准等场景中同样表现卓越。
| FUNCTION | Externally-triggered complementary-output pulse generator |
| TRIGGER | Rising-edge trigger, 50 Ω input impedance, DC coupled Threshold is programmable from -2.5 to +2.5 volts Max safe input is ± 3.3 volts |
| PROPAGATION DELAY | Range 1: 3 ns nominal insertion delay Range 2: 10 ns nominal insertion delay |
| COMPLEMENTARY OUTPUTS | -dash 1: User adjustable 0 to ± 750 mV (nominal, ± 675 mV, min) peak into 50 Ω loads; AC-coupled 5 Ω nom. source per output -dash 3: User adjustable 0 to 375 mV (nominal, 340 mV, min) peak-peak LVDS into 50 Ω load; DC-coupled 50 Ω nom. source per output Vᴏʜ = +1.15 V (nominal, fixed) Vᴏʟ = +1.15 V to +0.75 V (nominal, adjustable) |
| PULSE RATE | Min pulse rate is 0 Hz Range 1: max 70-125 MHz depending on delay/width settings Range 2: max 20-50 MHz depending on delay/width settings |
| RISE/FALL TIMES | 75 ps nominal, measured at 10/90% |
| PROGRAMMABLE TIMINGS | Range 1: delay 0 to 2.5 ns, width 100 ps to 2.5 ns, d+w < 2.5 ns Range 2: delay 0 to 25 ns, width 250 ps to 25 ns, d+w < 25 ns |
| JITTER | Range 1: < 5 ps RMS, typical < 3 ps RMS Range 2: < 10 ps RMS |
| CONTROL | Standard: trimpots, RS-232, and USB; optional SPI |
| CALIBRATION INTERVAL | One year |
| POWER | +5 volts at 500 mA nom via USB connector Highland model J6 power supply furnished |
| CONNECTORS | TRIG OUT+ OUT- SMA jacks Micro/AB for power and USB control D9 female for optional power/RS-232/SPI |
| LED INDICATORS | Green POWER Blue TRIGGER Orange COMM |
| PACKAGING | 4.75” (L) x 4.0” (W) x 1.25” (H) extruded aluminum enclosure |
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