The CT4121A, a new active FET probe kit, is compact with high input resistance and low input capacitance. With a 1.2-GHz bandwidth (-3 dB), this probe is suitable for timing analysis or troubleshooting of high-speed logic circuits, for design verification of disk drives, and for wireless and data communication design. The CT4121 can measure up to ±40 V (DC + AC peak). Compatible with oscilloscopes from major manufacturers, the probe is powered by the included 9-V battery or direct from the oscilloscope using the included USB power lead. Attenuation is 10x, and accuracy is ±2%. Input resistance and capacitance are 1 MΩ and 3 pF typical. Rise time (probe only) is 291 ps. Output voltage swing is ±1.5 V (driving a 50-Ω oscilloscope input).The probe comes with a power indicator LED and an SMD accessory kit. Cal Test Electronics, www.rsleads.com/711ee-182.
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机译：CT4121A是一种新型有源FET探针套件，结构紧凑，具有高输入电阻和低输入电容。该探头具有1.2 GHz带宽（-3 dB），适用于时序分析或高速逻辑电路故障排除，磁盘驱动器的设计验证以及无线和数据通信设计。 CT4121最多可测量±40 V（DC + AC峰值）。与主要制造商的示波器兼容，探头由随附的9V电池供电，或使用随附的USB电源线直接从示波器供电。衰减为10倍，精度为±2％。输入电阻和电容的典型值为1MΩ和3 pF。上升时间（仅探针）为291 ps。输出电压摆幅为±1.5 V（驱动50Ω示波器输入）。探头带有电源指示灯LED和SMD附件套件。 Cal Test Electronics，www.rsleads.com / 711ee-182。
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