Agilent Technologies B1500A Instrukcja Obsługi Strona 242
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3-64 Agilent B1500A/B1505A Programming Guide, Edition 11
Programming Examples
Quasi-static CV Measurements
MsgBox("Connect DUT. Then click OK.", vbOKOnly, "") ’69
Console.WriteLine("Wait a minute . . ." & Chr(10))
session.WriteString("DV " & t(0) & ",0,0,0.1,0" & vbLf) ’Drain
session.WriteString("DV " & t(2) & ",0,0,0.1,0" & vbLf) ’Source
session.WriteString("DV " & t(3) & ",0,0,0.1,0" & vbLf) ’Substrate
session.WriteString("TSR" & vbLf)
session.WriteString("XE" & vbLf)
session.WriteString("*OPC?" & vbLf) : rep = session.ReadString(1 + 2) ’77
session.WriteString("ERR? 1" & vbLf) : err = session.ReadString(4 + 2)
If err <> 0 Then session.WriteString("DZ" & vbLf) : GoTo Check_err
session.WriteString("NUB?" & vbLf) : rep = session.ReadString(3 + 2)
If rep <> nop1 * 4 Then session.WriteString("DZ" & vbLf) : GoTo Check_nop
mret = session.ReadString(16 * 4 * nop1 + 2) ’4*nop1 data + terminator ’83
For i = 0 To nop1 - 1
st1(i) = Mid(mret, i * 16 * 4 + 16 * 1 + 1, 3)
st2(i) = Mid(mret, i * 16 * 4 + 16 * 2 + 1, 3)
tm(i) = Val(Mid(mret, i * 16 * 4 + 4, 12))
md1(i) = Val(Mid(mret, i * 16 * 4 + 16 * 1 + 4, 12))
md2(i) = Val(Mid(mret, i * 16 * 4 + 16 * 2 + 4, 12))
sc(i) = Val(Mid(mret, i * 16 * 4 + 16 * 3 + 4, 12))
data(j, i) = Chr(13) & Chr(10) & sc(i) & ", " & md2(i) * 1000000000000.0 & ", "
& st2(i) & ", " & md1(i) * 1000000000000.0 & ", " & st1(i) & ", " & tm(i)
Next i
session.WriteString("DZ" & vbLf) ’95
save_data(fname, title, value, data, nop1, nop2, session, t)
Exit Sub
Check_err: ’99
session.WriteString("EMG? " & err & vbLf) : msg = session.ReadString(256)
MsgBox("Instrument error: " & err & Chr(10) & msg, vbOKOnly, "")
Exit Sub
Check_nop: ’104
MsgBox("No. of data: " & rep & " (not " & nop1 * 4 & ")", vbOKOnly, "")
End Sub
Line Description
69 to 75 Displays a message box that prompts you to connect DUT. Clicking OK applies voltage
to the device, resets the time stamp, and performs the quasi-static CV measurement.
77 to 81 Waits until the measurement is completed. If an error is detected, applies 0 V and goes
to Check_err. Also if number of data is not correct, applies 0 V and goes to Check_nop.
83 to 93 Stores the returned data into the mret string variable. Finally, stores the measured data
into the data array.
95 to 105 Applies 0 V from all channels. And transfers the data stored in the data variable to the
save_data subprogram (see Table 3-1). And the subprogram will save the data into a
CSV file specified by the fname variable and displays the data on a message box.
- Agilent B1500A/B1505A 1
- Manual Part Number 2
- Warranty 2
- Technol o gy Licenses 2
- Restricted Rights Legend 2
- For B1500A Users 3
- For B1505A Users 3
- In This Manual 4
- Contents 10
- 1 Programming Basics 19
- 10 ASSIGN @B1500 TO 717 20
- Before Starting 21
- FlexGUI Window 22
- Settings dialog box 24
- Getting Started 25
- To Reset the Agilent B1500 26
- To Read Query Response 26
- To Perform Self-Test 26
- To Perform Self-Calibration 26
- To Perform Diagnostics 27
- To Force Voltage/Current 30
- To Set the Measurement Range 32
- To Pause Command Execution 33
- To Start Measurement 33
- To F orce 0 V 33
- To Control ASU 34
- To Control SCUU 35
- To Read Error Code/Message 36
- To Read Spot Measurement Data 36
- To Read Time Stamp Data 38
- Alpha Character 40
- (A to Z, a to z) 40
- Numeric Data 41
- Terminator 42
- Special Terminator 42
- Separator 42
- Data Output Format 43
- ASCII Data Output Format 44
- Data Format 45
- Data Elements 48
- Binary Data Output Format 54
- Data Resolution 55
- Byte 1 Byte 2 Byte 3 Byte 4 59
- AB C D E F 59
- 8 Bytes Data Elements 66
- GPIB Interface Capability 73
- Status Byte 74
- Programming Tips 76
- To Confirm the Operation 77
- GOC, SOC 84
- Programming Basics 86
- 2 Remote Mode Functions 87
- Measurement Modes 89
- Voltage or current 100
- Binary Search Measurements 106
- Linear Search Measurements 108
- Sampling Measurements 110
- Quasi-static CV Measurements 113
- Capacitance Data 115
- Spot C Measurements 116
- Pulsed Spot C Measurements 117
- Pulsed Sweep CV Measurements 122
- C-f Sweep Measurements 124
- AC signal level 126
- C-t Sampling Measurements 128
- Synchronous Output 130
- Automatic Abort Function 132
- Parallel Measurement Function 134
- Program Memory 135
- Dual HCSMU 138
- SPGU Module 139
- SPGU DC bias output 140
- SPGU Channel Status 140
- PG Operation Mode 141
- Remote Mode Functions 143
- ALWG Operation Mode 145
- Module Selector 150
- External Relay Control Output 151
- SMU/PG Selector 152
- HVSMU force is 154
- connected to 154
- HVSMU Current Expander 155
- Ultra High Voltage Expander 156
- Digital I/O Port 157
- Accessories 158
- Digital I/O Internal Circuit 159
- Trigger Function 160
- Trigger Input 161
- Trigger Output 163
- Using Trigger Function 166
- To Send Trigger Using OS/OSX 167
- Start measurement 168
- Measurement completion 168
- Ext Trig In 168
- Ext Trig Out 168
- Hold time 171
- Delay time or more 171
- Step delay time or more 171
- Source trigger delay 171
- Measurement trigger delay 171
- Trig In/Out Internal Circuit 172
- Initial Settings 173
- 3 Programming Examples 179
- About Example Program Code 181
- To Start Program 181
- To Create Measurement Program 183
- High-Speed Spot Measurements 187
- Spot Measurements 190
- Pulsed Spot Measurements 193
- Staircase Sweep Measurements 196
- Pulsed Sweep Measurements 206
- ," & igcomp 218
- Programming Examples 238
- Measurement 238
- Result Example 238
- Data save completed 248
- Using Program Memory 290
- Tips to use program memory 291
- Reading Time Stamp Data 308
- Reading Binary Output Data 309
- Using Programs for 4142B 312
- 4 Command Reference 317
- Command Summary 319
- Sets the timing parameters 326
- Command Parameters 331
- Before using 1 pA range 334
- Output ranging 337
- 50 Ω range 347
- 300 kΩ range 347
- Command Reference 348
- . This function is 360
- ,abort[,post] 367
- CORRSER? 382
- ,corr,state 385
- ,corr,mode,primary,secondary 386
- DSMPLARM 390
- DSMPLFLUSH 391
- DSMPLSETUP 392
- ERHVCTST? 402
- [,option] 405
- ERPFTEMP? 413
- ERPFUHCA 413
- ERPFUHCA? 414
- ERPFUHCCAL? 414
- ERPFUHCMAX? 414
- ERPFUHCTST? 415
- INTLKVTH 425
- INTLKVTH? 425
- [,Vcomp]] 433
- [,Icomp]] or 433
- for the 481
- Example 482
- To use ASU 487
- To use SCUU 501
- 5 Error Messages 555
- Operation Error 557
- Self-test/Calibration Error 584
- 3465 IM short test failed 588
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