描述
一、产品定位与核心优势
1.目标应用场景
电源测试：测量开关电源（SMPS）中的栅极驱动信号、MOSFET/IGBT开关波形，分析开关损耗、死区时间。
电机驱动：监测三相逆变器的PWM信号、相电流反馈，优化电机控制算法。
电动汽车（EV）：测试电池管理系统（BMS）的高压总线信号、充电模块波形，确保安全与效率。
工业自动化：分析伺服驱动器、变频器的高速脉冲信号，调试运动控制精度。
科研与教育：在电力电子、电磁兼容（EMC）实验中，捕捉瞬态高压信号。
2.核心优势
高电压测量能力：支持±1.5 kV（DC+峰值AC）差分电压测量，覆盖大多数高压电源场景。
高频响应：带宽达100 MHz，可准确捕获开关电源的快速上升沿（如100 ns以下）。
差分输入设计：直接测量浮地信号，无需隔离变压器或光耦，简化测试流程。
安全认证：符合CAT II 1000V安全标准，防止电击风险。
便携性与耐用性：紧凑设计，适配泰克示波器（如MSO/DPO系列），橡胶防护外壳抗冲击。
二、技术规格与参数
1.基本参数
参数详情
型号5A18N03
类型无源差分探头（无需外部电源，通过示波器供电）
探头头可更换式探头头（如P6139A，支持不同衰减比）
重量约200 g（含电缆，轻量化设计）
2.电气参数
参数详情
电压范围差分模式：±1.5 kV（DC+峰值AC，RMS值需计算）
共模电压：±1.5 kV（与地隔离）
衰减比100:1（默认配置，部分型号支持10:1或1000:1可选）
带宽DC至100 MHz（-3 dB点，适合高速开关信号）
上升时间≤3.5 ns（对应100 MHz带宽，确保快速边沿不失真）
输入阻抗差分阻抗：100 kΩ（高阻抗，减少对被测电路的影响）
共模阻抗：>500 kΩ
输入电容<3 pF（低电容，避免高频信号衰减）
输出信号单端输出（连接示波器50Ω或1 MΩ输入）
过载保护±2 kV瞬态保护（防止电压尖峰损坏探头）
1.Product positioning and core advantages
1.Target application scenarios
Power supply test:measure the gate drive signal and MOSFET/IGBT switching waveform in the switching power supply(SMPS),analyze the switching loss and dead time.
Motor drive:monitor the PWM signal and phase current feedback of the three-phase inverter,and optimize the motor control algorithm.
Electric vehicle(EV):test the high-voltage bus signal and charging module waveform of the battery management system(BMS)to ensure safety and efficiency.
Industrial automation:analyze the high-speed pulse signal of the servo drive and inverter,and debug the motion control accuracy.
Scientific research and education:capture transient high-voltage signals in power electronics and electromagnetic compatibility(EMC)experiments.
2.Core advantages
High voltage measurement capability:supports±1.5 kV(DC+peak AC)differential voltage measurement,covering most high-voltage power supply scenarios.
High frequency response:with a bandwidth of 100 MHz,it can accurately capture the fast rising edge of the switching power supply(such as less than 100 ns).
Differential input design:Directly measure floating signals without isolation transformer or optocoupler,simplifying the test process.
Safety certification:Meets CAT II 1000V safety standard to prevent electric shock risk.
Portability and durability:Compact design,compatible with Tektronix oscilloscopes(such as MSO/DPO series),rubber protective shell for impact resistance.
II.Technical Specifications and Parameters
1.Basic Parameters
Parameters Details
Model 5A18N03
Type Passive differential probe(no external power supply required,powered by oscilloscope)
Probe head Interchangeable probe head(such as P6139A,supports different attenuation ratios)
Weight Approximately 200 g(including cable,lightweight design)
2.Electrical Parameters
Parameters Details
Voltage range Differential mode:±1.5 kV(DC+peak AC,RMS value needs to be calculated)
Common mode voltage:±1.5 kV(isolated from ground)
Attenuation ratio 100:1(default configuration,some models support 10:1 or 1000:1 optional)
Bandwidth DC to 100 MHz(-3 dB point,suitable for high-speed switching signals)
Rise time≤3.5 ns(corresponding to 100 MHz bandwidth,ensuring fast edges are not distorted)
Input impedance Differential impedance:100 kΩ(high impedance,reducing Impact on the measured circuit)
Common mode impedance:>500 kΩ
Input capacitance<3 pF(low capacitance to avoid attenuation of high frequency signals)
Output signal Single-ended output(connect to oscilloscope 50Ωor 1 MΩinput)
Overload protection±2 kV transient protection(to prevent voltage spikes from damaging the probe)
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