Teledyne LeCroy Power Analyzer Package - Manual (Page 14)

Power Analysis Software
Identify Switching Zone
This procedure instructs the software how to recognize the transition event in the device power trace
(e.g., ON to OFF) and focus the analysis on it. To do this, you’ll define the vertical area of interest (Signal
Top and Base) and the horizontal area of interest (Transition Threshold) as a measure of voltage.
1. Set up the source channels .
2. Touch the Zone Identification tab and choose a Top Base Value of either:
l
TopBase-- analyze the entire waveform top (mean of all max. V) to base (mean of all min. V)
l
Levels—analyze only voltages between this absolute Top Level and Base Level
3. Choose whether the transition Thresholds Are given as a Percent of signal or Absolute values, and
enter the High Threshold and Low Threshold representing the starting voltage and ending voltage
that marks the transition event in the waveform.
Overlays appear on the voltage trace marking the Conduction, On, and Off states, similar to this:
Go on to perform your desired Device Analysis tests.
Losses Test
Dynamic On-resistance Test
Safe Operating Area Test
BH Curve Test
Device dv/dt Test
12 921326 Rev B