Agilent Technologies B1500A Uživatelská příručka stáhnout pdf (Strana 397)

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Agilent B1500 User’s Guide, Edition 7 7- 15

Function Details

I/V-t Sampling Measurement

Setup Parameters

The following setup is required to perform the I/V-t sampling measurements. See

“I/V-t Sampling” on page 5-21 for the GUI.

NOTE If you set Interval < 0.002 s

Sampling mode must be linear. This setting is not permitted for the log sampling.

Also SPGU is not available.

All measurement channels must use the high speed A/D con

verter (ADC). This

setting is not permitted if a measurement channel uses the high resolution ADC.

If the multiple measurement channels are used, all channe

ls perform measurement

in parallel.

If the measurement ranging mode is not the fixed mode, the meas

urement channels

automatically select the minimum range that covers compliance value set to the

channel.

If the measurement time is expected to be longer t

han Interval, the measurement

channels automatically adjust the number of averaging samples (ADC settings) to

keep the sampling interval.

1. Select the following on the Channel Setup screen.

• Select SMUs used for constant voltage sources or constant current sources.

• Select V or COMMON for Mode of current monitor SMU, or I for voltage

monitor SM

2. Specify the following parameters for the SMU in the Sampling Parameter area

on the Measurement Setup s

creen.

Linear/Log Sampling mode. LINEAR for linear sampling. LOG10,

LOG25, LOG50,

LOG100, LOG250, or LOG500 for

logarithmic sampling.

For the logarithmic sampling, the number after LOG

indicates the num

ber of measurement data in a decade. For

example, LOG10 mode is used to get 10 data/decade.

Interval Interval of the sampling, in seconds. 0.002 to 65.535 s,

0.001 s reso

lution.

Interval < 0.002 s in 0.00001 s resolution is also available

for the li

near sampling. It must satisfy the following

formula. See NOTE above.

1 2 ... 392 393 394 395 396 397 398 399 400 401 402 ... 627 628

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