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）中的高压开关波形（如MOSFET/IGBT的栅极驱动信号），分析开关损耗、死区时间、EMI干扰。
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200 MHz，可准确捕获开关电源的快速上升沿（如50 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。
模块化设计：作为泰克示波器（如MSO/DPO5000、7000系列）的插件模块，支持热插拔，方便快速切换探头类型。
安全认证：符合CAT II 1000V安全标准，防止电击风险。
耐用性：金属外壳抗电磁干扰（EMI），橡胶防护套防冲击。
二、技术规格与参数
1.基本参数
参数详情
型号5B4202（“5B”为系列标识，“4202”可能代表200 MHz带宽+特定配置）
类型无源差分探头模块（无需外部电源，通过示波器供电）
探头头可更换式探头头（如P5100A系列，支持不同衰减比和接口类型）
重量约150 g（不含探头头，轻量化设计）
兼容性泰克MSO/DPO5000、7000系列示波器（需5B模块插槽）
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，部分探头头支持10:1或1000:1可选）
带宽DC至200 MHz（-3 dB点，适合高速开关信号）
上升时间≤1.75 ns（对应200 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<2 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）
3.机械参数
参数详情
探头头类型尖针式（默认）或钩式（可选），适配不同测试点
电缆长度1.5 m（标准长度，可选3 m延长线）
连接器泰克专用模块接口（直接插入示波器背部插槽）
工作环境温度：0°C至+50°C
湿度：<85%RH（无冷凝）
存储环境温度：-20°C至+70°C
三、结构与功能特点
1.差分测量原理
浮地信号捕获：通过两个输入端（V+和V-）测量两点间电压差，无需接地回路，避免共模电压干扰。
隔离设计：输入与输出之间电气隔离，确保示波器安全。
2.模块化优势
热插拔支持：可在示波器运行状态下快速更换探头模块，无需关机。
多模块协同：一台示波器可同时安装多个5B模块，实现多通道高压测量。
3.探头头选项
P5100A系列：提供不同衰减比（10:1/100:1/1000:1）和接口类型（BNC/N型），适配不同测试需求。
防护设计：探头头带绝缘套管，防止意外触电。
1.Product positioning and core advantages
1.Target application scenarios
Power supply test:measure high-voltage switch waveforms(such as gate drive signals of MOSFET/IGBT)in switching power supplies(SMPS),analyze switching losses,dead time,and EMI interference.
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 signals of servo drives and inverters,and debug 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:bandwidth up to 200 MHz,can accurately capture the fast rising edge of the switching power supply(such as less than 50 ns).
Differential input design:directly measure floating signals without isolation transformers or optocouplers,simplifying the test process.
Modular design:as a plug-in module for Tektronix oscilloscopes(such as MSO/DPO5000,7000 series),it supports hot swapping,which is convenient and fast to switch probe types.
Safety certification:meets CAT II 1000V safety standards to prevent electric shock risks.
Durability:metal shell is anti-electromagnetic interference(EMI),and rubber protective cover is shock-proof.
II.Technical Specifications and Parameters
1.Basic Parameters
Parameters Details
Model 5B4202(“5B”is the series identifier,“4202”may represent 200 MHz bandwidth+specific configuration)
Type Passive differential probe module(no external power supply required,powered by the oscilloscope)
Probe head Replaceable probe head(such as P5100A series,supports different attenuation ratios and interface types)
Weight About 150 g(without probe head,lightweight design)
Compatibility Tektronix MSO/DPO5000,7000 series oscilloscopes(5B module slot required)
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 probe heads support 10:1 or 1000:1 optional)
Bandwidth DC to 200 MHz(-3 dB point,suitable for high-speed switching signals)
Rise time≤1.75 ns(corresponding to 200 MHz bandwidth,ensuring fast edges are not distorted)
Input impedance Differential impedance:100 kΩ(high impedance,reducing the impact on the circuit under test)
Common mode impedance:>500 kΩ
Input capacitance<2 pF(low capacitance,avoiding high-frequency signal attenuation)
Output signal Single-ended output(connect to oscilloscope 50Ωor 1 MΩinput)
Overload protection±2 kV transient protection(prevent voltage spikes from damaging the probe)
3.Mechanical parameters
Parameter Details
Probe head type Pointed needle type(default)or hook type(optional),suitable for different test points
Cable length 1.5 m(standard length,optional 3 m extension cable)
Connector Tektronix dedicated module interface(directly plugged into the back slot of the oscilloscope)
Operating environment Temperature:0°C to+50°C
Humidity:<85%RH(non-condensing)
Storage environment temperature:-20°C to+70°C
III.Structure and functional features
1.Differential measurement principle
Floating signal capture:measure the voltage difference between two points through two input terminals(V+and V-),without grounding loop,to avoid common mode voltage interference.
Isolation design:electrical isolation between input and output to ensure the safety of the oscilloscope.
2.Modular advantages
Hot-swap support:the probe module can be quickly replaced while the oscilloscope is running without shutting down.
Multi-module collaboration:multiple 5B modules can be installed on one oscilloscope at the same time to achieve multi-channel high-voltage measurement.
3.Probe head options
P5100A series:provides different attenuation ratios(10:1/100:1/1000:1)and interface types(BNC/N type)to meet different test requirements.
Protective design:The probe head is equipped with an insulating sleeve to prevent accidental electric shock.
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