The Tektronix CT-2 is a high-frequency AC current transformer designed for use with oscilloscopes and other 50 Ω terminated measuring instruments. It provides non-intrusive current measurements of circuit board traces and component leads by passing the conductor through its integrated aperture.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | SMA output connector |
Physical
| Parameter | Value |
|---|---|
| Power Supply | Passive (no external power required) |
| Operating Temperature | -15 to +55 °C |
| Dimensions (W×H×D) | 9.7 mm × 16.0 mm × 15.2 mm |
| Weight | 0.004 kg |
Electrical Specifications
| Parameter | Value |
|---|---|
| Bandwidth (-3 dB) | 1.2 kHz to 200 MHz |
| Low-Frequency Cutoff (-3 dB) | 1.2 kHz |
| High-Frequency Cutoff (-3 dB) | 200 MHz |
| Sensitivity (Transfer Impedance) | 1 mV/mA (into 50 Ω) |
| Sensitivity Accuracy | ±3% |
| Rise Time | 1.7 ns |
| Decay Time Constant | 135 µs |
| Droop Rate | 0.7 %/µs |
| Amp-Second Product | 50 A-µs (50 µAs) |
| Maximum Continuous Current (RMS) | 2.5 A |
| Maximum Peak Pulse Current | 100 A |
| DC Current Limit (Saturation) | 0.5 A |
| Primary Insertion Impedance | 0.1 Ω at 10 MHz, 0.5 Ω at 100 MHz, 1.0 Ω at 200 MHz |
| Insertion Inductance | 5 nH |
Physical and Mechanical Characteristics
| Parameter | Value |
|---|---|
| Aperture Diameter | 3.2 mm (0.125 in) |
| Output Connector Type | SMA |
Compatibility and Accessories
| Parameter | Value |
|---|---|
| Required Termination Impedance | 50 Ω |
| Recommended Interconnecting Cable | P6041 (SMA to BNC) |
Performance
| Parameter | Value |
|---|---|
| Propagation Delay | 2.3 ns |
Electrical
| Parameter | Value |
|---|---|
| Maximum Bare-Wire Voltage | 30 V RMS |
Environmental
| Parameter | Value |
|---|---|
| Storage Temperature | -62 to +85 °C |
| Operating Altitude | Up to 4,570 m (15,000 ft) |
| Storage Altitude | Up to 15,240 m (50,000 ft) |
Technology
Passive Current Transformer
Applications
High-frequency AC current measurements