Agilent Technologies EasyEXPERT, Manual, Page: 62 / 610

1 BJT
Vc: Collector voltage
IsubsLimit: Substrate current compliance
HoldTime: Hold time
DelayTime: Delay time
hfe_Min: Minimum hfe value for graph scale
hfe_Max: Maximum hfe value for graph scale
BaseMinRng: Minimum range for base current measurement
CollectorMinRng: Minimum range for collector current measurement
EmitterMinRng: Minimum range for emitter current measurement
[Measurement Parameters]
Collector current Icollector
Base current Ibase
Emitter current Iemitter
[User Function]
hfe=Icollector/Ibase
[Analysis Function]
Ic@hfeVal=@L1X (X intercept of Line1)
Ie@VbeVal=@L2X (X intercept of Line2)
[Auto Analysis]
Line1: Vertical line for Y1 at hfe=Ic@hfe*Ratio
Line2: Vertical line for Y2 at Vemitter=Ie@Vbe*Ratio
[X-Y Plot]
X axis: Emitter voltage Vemitter (LINEAR)
Y1 axis: Base current Ibase (LOG)
Y2 axis: Current amplification factor hfe (LINEAR)
Y3 axis: Collector current Icollector (LOG)
Y4 axis: Emitter current Iemitter (LOG)
[List Display]
Emitter voltage Vemitter
Collector current Icollector
Emitter current Iemitter
Base current Ibase
Current amplification factor hfe
[Parameters Display Area]
Collector current determining the hfe (Calculates hfe on a particular Ic) Ic@hfeVal
Emitter current determining the Vbe voltage (Calculates Vbe on a particular Ie) Ie@VbeVal
[Test Output: X-Y Graph]
X axis: Emitter width (We size) WeList (LINEAR)
Y1 axis: Current amplification factor at Ic@hfe Ic@hfeList (LINEAR)
Y2 axis: Emitter voltage at Ie@Vbe Ie@VbeList (LINEAR)
[Test Output: List Display]
Emitter width (We size) WeList
Current amplification factor Ic@hfeList
Emitter voltage Ie@VbeList
Agilent EasyEXPERT Application Library Reference, Edition 8
1-46