Agilent Technologies B1500A Instrukcja Obsługi Pobierz pdf (Strona 287)

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Agilent B1500A/B1505A Programming Guide, Edition 11 3-109

Programming Examples

SPGU Pulse Output and Voltage Measurement

The following program controls a SPGU to measure the terminal voltage, calculate

the load impedance, set it for the automatic output level adjustment, and output

2-level pulse voltage. This program can run without the project template (Table

3-1).

Table 3-28 SPGU Voltage Measurement and Pulse Output Example

Imports Ivi.visa.interop ’1

Module Module1

Sub Main()

Dim B1500 As IResourceManager ’6

Dim session As FormattedIO488

B1500 = New ResourceManager

session = New FormattedIO488

session.IO = B1500.Open("GPIB0::17::INSTR")

session.IO.Timeout = 10000

session.WriteString("*RST" & vbLf) ’13

MsgBox("Click OK to start measurement.", vbOKOnly, "")

Console.Write("SPGU setup... ")

Dim sp_ch() As Integer = {101, 102} ’17

Dim duration As Double = 5

Dim loadz As Double = 50.0

Dim period As Double = 0.0001

Dim p1_del As Double = 0.00001

Dim p1_wid As Double = 0.00008

Dim p_lead As Double = 0.0000001

Dim p_trail As Double = 0.0000001

Dim p1_base As Double = 0

Dim p1_peak As Double = 3

Dim p_stat As Integer = 0

Dim delay As Double = p1_wid / 8

Dim count As Double = 3

Dim interval As Double = (p1_wid - delay * 2) / count

Dim measv As Double = 3.0

Dim rval As String = "" ’32

Line Description

1 This line is required to use the VISA COM library.

6 to 11 Establishes the connection with the Agilent B1500 of the GPIB address 17 on the

interface GPIB0. “GPIB0” is the VISA name. Confirm your GPIB settings, and set

them properly. Also sets the B1500 GPIB IO timeout.

13 Resets the B1500.

17 to 32 Declares variables and sets the value. This program uses the SPGU installed in the slot

1 of the B1500.

1 2 ... 282 283 284 285 286 287 288 289 290 291 292 ... 597 598

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