Vektrex 50mA至10A源测量单元、Vektrex精密电流源输出、Vektrex高速脉冲精密电流源、Vektrex PSMU-PRF源测量单元
50mA至10A源测量单元
该50mA至10A源测量单元系列可在指定范围内提供精密电流源输出，并具备同步电压测量功能，从而实现对低功率与高功率条件下器件的精确表征。该系列专为脉冲工作模式设计，支持微秒级瞬态响应以及受控占空比循环，可有效降低大电流测试过程中的自热效应。采用低噪声数字化技术，测量灵敏度可达到毫伏级电压变化与微安级电流波动，确保对半导体及功率器件进行可重复的 I-V 特性表征。
关键特性
精密电流源输出：50 mA 至 10 A 范围
高速脉冲工作：微秒级控制
源与测量集成于一体：单系统实现
同步电压与电流测量：在脉冲激活期间进行
高测量精度：搭配稳定低噪声输出
快速瞬态响应：适用于动态器件测试
多种工作模式：直流、脉冲、扫描、突发模式
软件 API 集成：实现自动化控制
内置保护功能：确保敏感器件测试安全
| P/N Pulsed SMU xx = Min Pulse Width 01 µs, 10 µs, 50 µs | Max I | Max V | Max DC Output Power | Max Pulsed Power (Internal Power) | Min Pulse Width Available |
|---|---|---|---|---|---|
| PSMU-PRF-005-xx | 50 mA | 100 V | 2.5 W | 2.5 W | 10 µs |
| PSMU-PRF-05-xx | 500 mA | 400 V | 200 W | 200 W | 1 µs |
| PSMU-PRF-4-xx | 4 A | 400 V | 600 W | 1,600 W | 1 µs |
| PSMU-PRF-5-xx | 5 A | 200 V | 600 W | 900 W | 1 µs |
| PSMU-PRF-10-xx | 10 A | 200 V | 600 W | 1,350 W | 1 µs |
实际应用
LED、VCSEL 及激光器测试
功率半导体特性表征
汽车电子元器件测试
材料 / 阻性负载测试
大功率电子器件验证
| Current Out | |
| Digitizer Channels | 1,2 |
| Output Current Drive Type | Floating, both + and – terminal driven, max 100 V common mode to chassis ground |
| Output Cabling | Single or multi-conductor twisted pair |
| Recommended Max Output Cable Length | 6 m |
| Trigger In | |
| Signal Type | 5 V logic, VIH > 3.5 V, VIL < 1.5 V |
| Polarity | Programmable |
| Modes Supported | Multiple Pulse, Pulsed Sweep, Modulated Current |
| Programmable Delay | Programmable delay, 10 μs to 30 s |
| Delay Programming Resolution | 1 μs |
| Delay Jitter | Multiple Pulse Mode: 3.4 μs, Pulsed Sweep Mode: 107 μs |
| Trigger Out | |
| Signal Type | 5 V logic, 50 Ω pull-up and open drain outputs |
| Polarity | Programmable |
| Modes Supported | All pulsed modes, Software trigger in DC mode |
| Trigger Jitter | <10 ns typical |
| Programmable Delay | Programmable delay, 10 μs to 30 s |
| Miscellaneous | |
| Nominal Current Ripple | <1mA: 4 μA 1 mA to 10 mA: 40 μA 10 mA to 50 mA: 17 0μA |
| DC Ramp Rate: Low Speed Setting | 10 V/s, 50 mA/s |
| DC Ramp Rate: Default Setting | 10 V/s, 500 mA/s |
| DC Ramp Rate: High Speed Setting | 1000 V/s, 50 A/s |
| Current Stability | 70 ppm |
| SpikeSafe Transient Protection | Power shutdown timing ns. (voltage monitor accuracy: 3% +1 V | current monitor accuracy: model dependent) |
| Other External Factors | |
| General Purpose Input (EXT_GPI) | Optoisolated input, generates External Pause SYST:ERR? Event, VLow Max: 0.75 V, VHigh Min: 2.72 V, VHigh Max: 27.2 V |
| Remote Disable (Interlock) | Optoisolated input, halts output, selectable polarity, VLow Max: 0.75 V, VHigh Min: 2.72 V, VHigh Max: 27.2 V |
| General | |
| Physical | Rack mount/bench top chassis 1/2 Rack 89 mmH x 213 mmW x 452 mmD Weight: 8 lbs, 3.6 kg |
| Input Power | AC 100-240 VAC, 700 W, Single Phase |
| Remote Control | 100-base T Ethernet, TCP/IP with SCPI syntax |
| Monitoring System | Built-in acquisition system monitors & reports voltage, current, and fault conditions |
| Device Protection | 3rd generation SpikeSafe protection including high-speed over current shutdown, slow start up, leakage detection and other protection algorithms |
| Calibration Interval | 1 year calibration interval recommended |
| Operating Conditions | For indoor use only, 10 C to 35 C, <2000 m altitude |
| Cooling | Air cooled |
| Particulate Level | Clean lab conditions |
| Other | CE, ROHS, ISO17025 certification |
