Tektronix 784A Manual do Utilizador descarregar pdf (Página 172)

Adjustment Procedures

TDS 684A, TDS 744A, & TDS 784A Service Manual

5–13

3. Disconnect the hookup: Disconnect the probe from the probe compensator

terminals; leave probe installed on CH 1 and leave the oscilloscope control

setup as is for doing the next part of probe adjustment.

Equipment

Required

One high-frequency sine wave generator with its leveling head

(Item 14)

One BNC-female-to-female BNC adapter (Item 1)

One BNC-to-probe tip adapter (Item 2)

One P6139A 10X probe (Item 17)

1. Install the test hookup and preset the oscilloscope controls:

a. Expose the Inner Probe Tip: Follow the instructions in Figure 5–5.

Pull forward to

remove the

retractable hook tip.

Unscrew the

ribbed

ferrule tip cover

and pull

forward to remove.

Pull forward to

remove the

ground-lead

assembly.

Figure 5–5: Exposing the Inner Probe Tip

b. Hook up test-signal source:

H Connect the output of a high-frequency sine wave generator, through

its leveling head, to a female-to-female adapter. See Figure 5–6.

H Connect the female-to-female adapter to a BNC-to-probe tip adapter.

H Plug the probe tip from the probe on CH 1 into the BNC-to-probe tip

adapter.

Measure Probe Bandwidth

1 2 ... 167 168 169 170 171 172 173 174 175 176 177 ... 293 294

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Tektronix 784A Manual do Utilizador Página 172