Agilent Technologies Ininiium 9000 Especificaciones descargar pdf (Pagina 111)

Chapter 5: Troubleshooting

To check probe power outputs

111

To check probe power outputs

Probe power outputs are on the front panel, surrounding each BNC input.

Any failure may be a problem with the probe power and control assembly, the AutoProbe flex cable,

the probe power and control cable, or the power board.

Use the table and figure to the

right to check the power output

at the connectors.

The +12 V and –12 V supplies

come from ripple regulator

on the power board, and the

+3 V and –3 V supplies are

developed in three-terminal

regulators on the probe

power and control assembly.

Measure the voltages with

respect to the ground terminal on

the front panel, located near the

Aux Out BNC.

Do not attempt to measure

voltages at pins 3 through 7.

Pin Supply

1+3V

2 –3V

3 Offset

4 Data

5 &

ring

Probe ID

6Clk

8 –12 V

9 +12 V

1 2 ... 106 107 108 109 110 111 112 113 114 115 116 ... 165 166

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Agilent Technologies Ininiium 9000 Especificaciones Pagina 111