Tektronix CT-2 Manual do Utilizador descarregar pdf (Página 9)

Description

CT-1/CT-2 Current Transformer

100%

90%

80%

70%

60%

Frequency (Hz)

100 k 1 M10 k1 k

0.5 A

0 A

1 A

This response was obtained with the + side of the CT-2 facing the

signal source (preferred connection)

10 M 100 M

Figure 3: CT-2 frequency response vs. DC current

The CT-1 and CT-2 consist of a current transformer and a flexible probe

cable that attaches between the transformer and the oscilloscope. In

addition, the CT-1 and CT-2 have an internal termination resistor that

reduces reflections that allows the transformer to be disconnected from the

probe cable and left in the circuit. Figure 4 shows a simplified circuit of the

CT-1 and CT-2.

Input circuit

50 W

Figure 4: CT-1 and CT-2 simplified circuit

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Tektronix CT-2 Manual do Utilizador Página 9