Keithley 4200A-SCS - Page 8

Model 4200A-SCS Pulse Card (PGU and PMU) User's Manual Table of contents
4220-PGU and 4225-PMU output limitations ..................................................................... 3-39
Configure the PGU, PMU, and RPM using tests ............................................................... 3-39
Step or sweep multiple device terminals in the same test ................................................. 3-40
Basic troubleshooting procedure ....................................................................................... 3-43
Step 1. Verify prober connections from the PMU or RPM to the DUT ..................................... 3-43
Step 2. Verify the pulse shape ................................................................................................ 3-44
Step 3. Is the pulse level correct for each channel? ................................................................ 3-45
Step 4. Is the pulse I-V curve suspect? ................................................................................... 3-45
Pulse card concepts ................................................................................................ 4-1
Models 4220-PGU and 4225-PMU ...................................................................................... 4-1
PMU block diagram ................................................................................................................... 4-2
Pulse modes ............................................................................................................................. 4-3
Pulse measurement types (PMU) ............................................................................................. 4-3
Measure modes ........................................................................................................................ 4-4
4200A-SCS power supply limitations ................................................................................... 4-5
Pulse source-measure concepts .......................................................................................... 4-7
Ultra-fast I-V tests ..................................................................................................................... 4-8
Sample rate ............................................................................................................................... 4-9
Segment Arb waveform ........................................................................................................... 4-10
Full arb waveform .................................................................................................................... 4-13
Pulse waveforms for nonvolatile memory testing .................................................................... 4-14
Waveform capture ................................................................................................................... 4-15
DUT resistance determines pulse voltage across DUT ........................................................... 4-15
Triggering ................................................................................................................................ 4-20
Measurement types ............................................................................................................ 4-23
Spot mean measurements ...................................................................................................... 4-24
Spot mean discrete readings................................................................................................... 4-24
Spot mean average readings .................................................................................................. 4-25
Waveform measurements ....................................................................................................... 4-25
Waveform discrete readings.................................................................................................... 4-26
Waveform average readings ................................................................................................... 4-27
Measurement timing ................................................................................................................ 4-27
KPulse (for Keithley Pulse Cards)........................................................................... 5-1
Keithley Pulse Application .................................................................................................... 5-1
Starting KPulse ......................................................................................................................... 5-1
KPulse setup and help .............................................................................................................. 5-2
Triggering ............................................................................................................................. 5-3
Standard pulse waveforms .................................................................................................. 5-3
Segment Arb waveforms ...................................................................................................... 5-5
Exporting Segment Arb waveform files ..................................................................................... 5-7
Custom file arb waveforms (full arb) .................................................................................... 5-8
Custom Arb file operation: Select and configure waveforms ..................................................... 5-9
Custom Arb file operation: Copy waveforms into Sequencer .................................................. 5-10
Custom Arb file operation: Load waveform and turn on output ............................................... 5-12
Waveform types ...................................................................................................................... 5-13