Getting Started
TCPA300 and TCPA400
Current Probe Amplifiers
The amplifier am
plifies the current sensed by the probe and c onverts the current
to a proportional voltage that is displayed on an oscilloscope or other similar
measuring device.
Current P robes
The followin
g Tektronix current probes are compatible with the
TCPA300 Amplifier:
TCP312 (30 A
, 100 MHz)
TCP305 (50 A, 50 MHz)
TCP303 (150 A, 15 MHz)
The following Te ktronix current probes are compatible with the
TCPA400 Amplifier:
TCP404XL (750 A
1
,2MHz)
1
500 A continuous, 7 50 A DC derated with duty cycle
You can also use the CT-4 High-Current Transformer with the TCP305 and
TCP312 current pr obes to extend the AC current measurement range to 20,000
peakA.
Oscilloscope
An oscilloscope displays the output from the current measuring system. A 50 Ω
cable is included to connect the amplifier to the oscilloscope input channel. A
TEKPROBE-to-TEKPROBE interface cable is also included for connecting to
TEKPROBE level II o scilloscopes.
If the oscilloscope does not have an input that can be set to 50 Ω impedance, you
need a feedthrough 50 Ω termination. This termination is included as a standard
accessory with your TCPA300 and TCPA400 Current Probe Amplifiers.
2 TCPA300/400 Amplifiers and TCP300/400 Series Current Probes User Manual
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