
-
3.13.6
3.13.7
3.13.8
3.14
3.14.1
3.14.2
3.14.3
3.14.4
3.14.5
3.14.6
3.14.7
3.14.8
3.15
3.15.1
3.15.2
3.15.3
3.15.4
3.16~
3.16.1
3.162
3.16.3
3.16.4
3.16.5
3.16.6
3.16.7
3.16.8
3.16.9
3.16.10
3.16.11
3.16.12
3.16.13
3.17
3.17.1
3.17.2
3.17.3
3.18
3.18~.1
3.18.2
3.19
3.19.1
3.19.2
3.19.3
3.20
3.20.1
320.2
3.21
3.21.1
3.21.2
3.21.3
321.4
3.21.5
3.22
3.22.1
3.222
3.22.3
3.23
3.23.1
323.2
3.213
3.23.4
Multiple Parameter Entry ....................................... .,..........................................~ .................................................. 3.31
Invalid Parameter Entry .~.............~......~~~~ - __._~.-._.--.l- ...-. ...- ...-. --.--_-_--. .....-3-3 1
Data Key Examples .............................. __I___.,.-.I_ - - .................................................................. ..;. .3-31.............
BIAS VOLTAGE.. ................................... __- ____- .......................................................................................... 3-33
Selecting a Bias Waveform ........................ . l--.-----i __.._;.... 1.- _._.__:...;..... .............. - ........I....~ ................. 3-33
Programming Waveform Parameters .............................. ..- ............................................... ..”.............................. 3-34
Controlling the Bias Voltage (BIAS ON) ..:Z....... .............................................. ;..-1....... __
.......... __.__.__._.___I.__ 3-36
Bias Waveform and Parameter Definiti&s.. .......................................................................... ;............................. 3-37 ’
Bias Step and Sweep Durations ............................ ..~.~ - :-:..-.--: ________-___-________- ____._._._
.___.______.________3-48
Using External Bias Sources ....................... ..__._____...., ............
....................................... ._____:______________._._;........ j-50
Monitoring the Bias Voltage ................................. ..~........ -- ............................................ ..~............................... 3-51~
External bias voltage measurement range.. .......................................................................................................... 3.51
BUFFER OPERATION.. ............................... ..___ ........ ..- ................. .
............................................................... 3-53
Buffer Definitions .................................... .
.............. :......................; ........... ;;..;............................... :L_,.,_________:..... 3-53
How Trigger Modes Affect the A/D Buffer .......................................................................................................... 3-53~~
Accessing Buffer Information.. ....................................... .............. -__-................................................................. 3-56
Transferriri~ Buffer Contents :.:
........... .................. .___.;
..........
*___.__I
....:...~?......................................... L_
.................. :.3-57
PLOTTING DATA.. ........................... ..- .- ._--_ . ._^. _- ..- .- ............... ..- ..-. ..................................... 3-57
Recommended Plotters ........................................................................................................................................ 3-57
Plotter Language syntax ...................................... ..-.- .- ____-.
........ -. ......................... ..-.............-.......- ........... 3-58
Plotter Primary Address .......................................... I.__
.............. ....... _.._ ............................................................. 3758
Plotter Bus Connections ................................... . ...... :.::........ .
.......... ;..;..:..... ..- ................ ....._.......... __I._____.z..:..... 3-58
Programming Plotter Setup Parameters ................................. ._. ;;........... ........................................ -:..-. ............... 3.60
Graph Format ............................................... ..-..-.........-................................................................. .................... 3-62
Plotting a Grid.. ........................ ..-..........- ...... ..- 1_.__.____._.._............................................................................... 3-62
Initiating the Plot.. ............................................. ................ ..--.....- ..-___-
........................................................... 3-62 ...
Aborting a Plot or Grid ........................................................................................................................................ 3-62
Plotter Error...............
.
.......
............;._________________._
...............................................................................................
.____3-62
Plotter Scaling ...................................................................................................................................................... 3-62
Plot Types ....................................... ..~~
........... __L__ ____~_L
................ _.......................... ..- .................................. 3.63
Plot Examples ................................................................. ..~................~ ................................................................ 3-63 ...
SAVING AND RECALLING INSTRUMENT CONFIGURATIONS .............................................................. 3-7 1
Factory Default Configurations _____.___:.........I ..I I.,._.______--.-..-.-..: ...I...... - .......... - ....... .._........ L.................. ..3-7 1
SAVEing Configurations ............................................. ............................ _.......... 3.72
.................................................
RECALLing Configurations ...................... .._............._ ................................ _.- ............................ ^
..................... 3.72
SELF TEST.. ....................... ^........................................................................................................ ..~..........~.~.....- 3-72
Test Sequence ............................................... ..-.- ..- ._....._..............~ ....................................... -___3.72
Running the Self Test ............................. ...,...-.^____.__~... ............... - ......................................................... 3-73
MATHEMATICAL FUNCTIONS-..... I ................ .--..-.- ........... .___.~______- _^_____- ............................. .._............ 3-73
Displaying Math Functions.. ................. :i............................ ____,______~............................. ..~................... ............... 1..3-73 .,
Using Math Functions with the Plotter.. ................................................................................................ ________~.
.... 3-74
Math Function Descnptlons ...... I.....IL:._____:.
...... ......:..;............... - ________________________________:
....... - ....... .
...................... 3-75
C vs. t MEASUREMENTS ............................ ..~.~...... ;_I__._ _..................... L.:_______:________~
............................. ......... 3-76
Internal C vs. t Measurements .......................................... .________________- ............................................. ..~ ~3-76
...............
External C vs. t Measurements ............................................................................................................................ 3-81
CABLE CORRECTION ............................. ..~..................................................................................................... 3-83
Cable Correction Methods ..................................... .._ ......- .................. .._....~ .................................................... 3-83
Front Panel Cable Correction ................................................................................................. _............................. 3.84
Recalling Cable Correction Constants ................................................................................................................. 3-85
Cable Cotiection Considerations ..~....~.~~~~...~~.~~~.~~.~~~~~~~~~~~_
.............................. ..~.
.......................... ~..................... 3-85
Fundamental of Cable Correction ............. ;..:: ____,____._._______:_.__;
....... ........... .
.......... ..:.:;; ..;_________:
............................ 3.86
ANALOG OUTPUTS .............................. ..- ............... ._..._._._.._._-_--_I__ .______:
..- ............... ...................... 3-86
Analog Output Connections _____.__.___:_____I
.....::____I...... 1::...... .:....... 1.;:
...... .._..................... .
............................. ....... !:3-86
Analog Output Scaling .................................................... . 1___________~.
............................................................... ....... 3.87
Typical Analog Output Uses .................................................. .
.............. ......... ........ - ............................................ 3-89
MEASUREMENT CONSIDERATIONS.. ............................................ - ....................... .._................................. 3-89
Ground Loops ........................................................................ :
.......... X;...: ..;......
............................................... 3-89
Electromagnetic Interference (EMI) ................ .
.................................. ..~...........~.............~ .......... ..i..................... 3-90
Parasitic Capacitance ..................................... __I.____.;........................................................................................... 3-90
Cable Transmission Line Effects ............... .............. ........................... - ......................................... ;...;;; .;
............ :3-Y i
iii