TCP303 and TCP404XL Adjustments
Equipment Connections
1. If you are using
a Tektronix oscilloscope that supports the TEKPROBE
Level 2 Interface, use the TEKPROBE Interface Cable to connect the
amplifier OUTPUT to the oscilloscope input. If you are not using a Tektronix
oscilloscope that supports the TEKPROBE Level 2 Interface, use a 50 Ω
BNC cable. If the input impedance of your oscilloscope is 1 MΩ, connect a
50 Ω feedthrough termination at the oscilloscope input. Do not connect the
terminatio
nattheamplifier output.
2. Connect the current probe to the amplifier PROBE INPUT connector.
3. If you are adjusting a TCP303, form a 1-turn current loop by connecting the
banana lead to the output connectors of the AC current source.
4. Do not clamp the current probe around any conductor, but make sure the
jaws are locked shut.
Fi
gure 18: TCP303 and TCP404XL transient response and coarse gain adjustment
setup
54 TCPA300/400 Amplifiers and TCP300/400 Series Current Probes Service Manual
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