Agilent Technologies N6705 Especificações descarregar pdf (Página 6)

The Agilent N6705 DC power ana-

lyzer can also function as a datalog-

ger. Using the measurement capa-

bility built into each DC power mod-

ule, the N6705 can continuously log

data to the large color display and

to a file. Data can be logged all four

DC outputs at the same time. The

accuracy of the logged voltage and

current measurements are based on

the type of module that is installed

(basic, high-performance, preci-

sion, and SMU).

There are two modes of operation:

• In standard mode, measurements

are made spaced apart by the

sample period, which is program-

mable from 75 milliseconds to

60 seconds. For each DC output,

the logged measurements can be

voltage measurements, current

measurements, or both. Each

reading is an integrated voltage or

current measurement. Standard

mode datalogging is available on

all DC module types.

• In continuously sampled mode,

the built-in digitizer of the DC

power module runs continuously

at 50,000 readings per second.

You can specify a sample period,

which is the period of time during

which these continuous readings

will be accumulated. For each

sample period, one average read-

ing (and option

ally, a minimum and

maximum

value) will be saved.

In this mode, the digitizer runs

continuously as the readings are

averaged and stored; therefore,

the digitizer is always making

measurements and no data is

missed. The sample period is

programmable from 1 millisecond

to 60 seconds. In this mode, the

N6760 Series of precision DC

power modules offer simultane-

ous logging of output voltage and

output current. For all other mod-

ule types, you can select to log

either voltage or a current when

in continuous sampling mode.

The maximum datalog file size

is 2 gigabytes, which is approxi-

mately 500 million readings. The

logged data file can be stored on

the N6705’s internal non-volatile

RAM or saved externally on a USB

memory device.

The datalogger display can be saved

as a GIF file for use in reports. The

logged data can be saved for view-

ing at a later time. Logged data can

also be exported to a CSV file that

can be read by most common data

analysis software packages.

6

Datalogger

Figure 6. In Datalog View, you can log

data on multiple traces. Here, the current

flowing out of output 1 and output 2 are

captured over 30 seconds

Figure 7. To set up the datalogger,

you use a menu screen to select the

operating parameters. Menu screens like

this are used throughout the DC Power

Analyzer for setup

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