Agilent Technologies 16440A Uživatelská příručka stáhnout pdf (Strana 12)

6 Agilent 16440A User’s Guide, Edition 4

User's Guide

Operation

The switching state of a channel is indicated by the green LEDs on the selector front

panel. The following table shows the relation of the relays and the LEDs for each

switching state.

The "PGU open" state is useful if a lot of switching needs to be performed. When

the switching state changes from "PGU on" to "PGU open", only the semiconductor

relay switches. This reduces the amount of times the mechanical relay is switched.

The semiconductor relay has a much longer switching life than the mechanical relay.

States CH 1 and CH 3 CH 2 and CH 4

All open

SMU on

PGU on

PGU open

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 27 28

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Agilent Technologies 16440A Uživatelská příručka Strana 12