Installation
Optional acce
ssories
You can order the following optional accessories for the amplifiers a nd probes.
One-turn 50 Ω HF current loop. Two versions are available; one for each
style of probe. The current loops are used in the performance verification
procedures for checking the performance of the TCPA300 Amplifier and
the compati
ble p robes.
50 Ω feedthrough termination, 2 W (Tektronix part number 011-0049-xx)
50 Ω BNC-to-BNC coaxial cable (Tektronix part number 012-0117-xx)
TCPA Calibration Adapter. Use the TCPA Calibration Adapter to verify the
amplifier(s) performance independent of the current probes.
Travel Case. The travel case includes room to store one amplifier and two
current probes, along with related cables and adapters.
Deskew Fixture. This fixture converts the PROBE COMPENSATION output
or TRIGGER OUTPUT of the TDS5000 or TDS7000 into a set of test point
connections that allow you a convenient way to compensate for timing
diffe
rences between voltage and current probes.
System configuration
Acom
plete current measurement system consists of a current probe amplifier, a
compatible current probe, and an appropriate oscilloscope. (See Figure 1.)
Figure 1: Typical TCPA300/400 current measurement system
1. 50 Ω oscilloscope input — use the supplied TEKPROBE Interface Cable or
usea50Ω BNC cable, which is available as an optional accessory.
NOTE. If the oscilloscope only has a high-impedance input, you will need to add
a50Ω termination, which is available as an optional accessory.
Amplifiers a nd Current Probes Compliance and Safety Instructions 13
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