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CT6 Current Probe
CT6 is the newest member of Tektronix's high-frequency current probe product line. It is specifically designed to meet the needs of high-speed circuit design and testing applications,
which require ultra-high bandwidth, low inductance, and extremely small form factor. When used with high-bandwidth oscilloscopes such as the Tektronix TDS 694C, TDS 794D, and TDS 7000 series
or other compatible 50Ω input measurement instruments, the CT6 can provide bandwidth up to 2 GHz and low inductance.
CT1/CT2 Current Probe
The CT1 and CT2 current probes are designed for permanent or semi-permanent online installation. Each probe consists of a current transformer and an interconnect cable.
The current transformer has a small hole through which the current-carrying conductor passes during circuit assembly.
The P6041 probe cable provides the connection between the CT1 and CT2 current transformers and the BNC oscilloscope input.
When connected to a high-impedance (1 MΩ) oscilloscope input, a 50Ω termination is required to terminate the cable.
One probe cable can be used to monitor several current transformers connected to the circuit.
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Features & Benefits
High bandwidth
Ultra-low inductance
Extremely small form factor
Characterizes current waveforms
Minimal loading on the measured circuit
Suitable for dense, compact circuit designs
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Applications
Data storage read channel design
Silicon characterization
High-frequency analog design
Electrostatic discharge (ESD) testing
Signal injection
Differential current measurement
Single-shot low repetition rate pulse measurement
Propagation delay measurement
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CT1, CT2, and CT6 Characteristics
Characteristic |
CT1 |
CT2 |
CT6 |
|---|---|---|---|
Bandwidth (typical) |
25 kHz to 1 GHz |
1.2 kHz to 200 MHz |
250 kHz to 2 GHz |
Rise Time |
350 ps |
500 ps |
200 ps |
|
Sensitivity (into 50 Ω) |
5 mV/mA |
1 mV/mA |
5 mV/mA |
Accuracy |
±3% |
±3% |
±3% |
Magnetizing Inductance |
6 μH |
7 μH |
1 μH |
Leakage Inductance |
2.4 nH |
1 nH |
1.5 nH |
Insertion Impedance: | |||
at 10 MHz |
0.1 Ω |
1.1 Ω |
|
at 100 MHz |
2 Ω |
0.5 Ω |
1.3 Ω |
at 1 GHz |
11.9 Ω |
||
Max. Bare Wire Size |
#14 wire |
#16 wire |
#20 wire |
1.78 mm (0.070 in.) |
1.32 mm (0.052 in.) |
0.8 mm (0.032 in.) |
|
Max. Bare Wire Voltage: | |||
RMS |
175 VRMS CAT I |
175 VRMS CAT I |
30 VRMS CAT I |
Peak |
1000 V*1 |
1000 V*1 |
30 V |
DC |
175 V |
175 V |
30 V |
Max. Peak Pulse Current |
12 A |
36 A |
6 A |
Max. Continuous Current (RMS) |
450 mA |
2.5 A |
120 mA |
Amp-second Product |
1 × 10-6 A*Sec |
50 × 10-6 A*Sec |
0.25 × 10-6 A*Sec |
L/R Time Constant (droop) |
>6.35 μs |
>160 μs |
0.4 μs |
Propagation Delay |
5.4 ns |
6.1 ns |
5.2 ns |
Safety |
UL3111-2-032, CSA1010.2.032, EN61010-2-032, IEC61010-2-032 |
UL3111-2-032, CSA1010.2.032, EN61010-2-032, IEC61010-2-032 |
NA |