22 | Keysight | B1505A Power Device Analyzer/Curve Tracer - Data Sheet
DC path leakage (Supplemental
characteristics)
Selector information
This information is provided for users not
utilizing the N1273A capacitance test fix-
ture but who wish to connect the selector
outputs to other DUT interfaces such as a
wafer prober.
Interlock terminal: 1 ea
Digital I/O port: 1 ea. (D-sub 25 pin)
Indicators
HVSMU port input / Drain output
Offset: 100 pA
Leakage: Vo x 1E-13 (Vo: Output voltage)
Input terminals
HV Triaxial: 1 ea. (HVSMU)
Triaxial: 3 ea. (MPSMU Force/Sense,
GNDU)
BNC: 4 ea. (MCSMU Hcur, Lcur,
Hpot, Lpot)
HVSMU port input / Direct output
Offset: 100 pA
Leakage: Vo x 1E-13 (Vo: Output voltage)
Functionality
Selector capability
The selector allows the user to make con-
nections to perform various capacitance
and DC measurements such as leakage,
breakdown and threshold voltage mea-
surement.
MPSMU port input / Gate output
Offset: 50 pA
Leakage: Vo x 5E-13 (Vo: Output voltage)
Interlock terminal: 1 ea,
Direct IO
Output terminals:
HV Triaxial: 1 ea.
SHV terminals: 4 ea.
Gate/Base
Drain/Collector
Source/Emitter
AC/DC guard
Output terminals for 3-terminal device
Parameter Name
Coss
Open
High
Open
Low
Cds
Crss
Open
High
Open
Low
Cgs
Ciss /Rg
Collector/drain
Force
Sense
Force
Sense
High
Open
High
Open
Open
AC Guard
Open
Low
Emitter/source
Base/gate
Open
Low
Open
Low
AC Guard
High
Low
AC Guard
Open
Low
High
Open
Low
Open
Open
Open
Definition of 3-terminal device capacitances
Symbol
Cgs
Description
Capacitace between Base/Gate terminal and Emitter/Source terminal
Capacitace between Collector/Drain terminal and Emitter/Source terminal
Capacitace between Base/Gate terminal and Collector/Drain terminal
Capacitace between Base/Gate terminal and Collector/Drain terminal
Cds
Cgd
Crss
Ciss
Capacitace between Base/Gate terminal and Emitter/Source terminal and capacitance between Base/Gate
terminal and Collector/Drain terminal
Coss
Capacitace between Collector/Drain terminal and Emitter/Source terminal and capacitance between Base/Gate
terminal and Collector/Drain terminal
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