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Agilent 34980A  Multifunction Switch/Measure Unit *34980-90005*

Agilent 34980A  Multifunction Switch/Measure Unit *34980-90005*

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3 Features and Functions<br />

Channel Delay<br />

You can control the pacing of a scan sweep by inserting a delay between<br />

multiplexer channels in the scan list (useful for high- impedance or<br />

high- capacitance circuits). The delay is inserted between the relay closure<br />

and the actual measurement on the channel, in addition to any delay that<br />

will implicitly occur due to relay settling time. The programmed channel<br />

delay overrides the default channel delay that the instrument automatically<br />

adds to each channel.<br />

Scan List<br />

Channel delay<br />

Channel Delay<br />

(0 to 60 seconds)<br />

Ch 1 Ch 2 Ch 3 Ch 4 Ch 5 Ch 6<br />

t t t t t t 1 2<br />

3 4 5<br />

6<br />

You can set the channel delay to any value between 0 seconds and<br />

60 seconds, with 1 ms resolution. You can select a different delay for<br />

each channel. The default channel delay is automatic; the instrument<br />

determines the delay based on function, range, integration time, <br />

and ac filter setting (see “Automatic Channel Delays” on page 121).<br />

You can select a unique delay for every channel on the module.<br />

The channel delay is valid only while scanning. If no channels have<br />

been assigned to the scan list, the specified channel delay is ignored<br />

(no error is generated).<br />

120 <strong>Agilent</strong> <strong>34980A</strong> Mainframe User’s Guide<br />

t<br />

t

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