This listing is assembled and tested type

Technical information
    - Require Power supply +15VDC/-15VDC (1A )
    - Capable to check  IV curve both NPN / PNP Power Transistor / Small Transistor
    - 8 step Ib 0uA,24uA,48uA,72uA,96uA,120uA,144uA,168uA  for small transistor
    - 8 step Ib 0.0mA,0.32mA,0.64mA,0.96mA,1.28mA,1.6mA,1.92mA,2.24mA,
    - Vce = +10V for NPN and -10V for PNP
    - Switching frequency 642Hz
    - 2 Jumper to select ranges of Ib and type of transistor { NPN / PNP }
    - hole PCB for wiring to external 2-way switches to select ranges of ib and type of transistor
    - Require 2 CH Analog or Digital Oscilloscope in x-y mode to connect both CH to this adapter board  (  CH1  is X-Axis  and CH2 is Y-Axis )
    - Comes with the schematic diagram
    - PCB size 9.0cm x 10.0cm

This item is only the board ( Don't include the AC transformer, the cables to connect between this board and oscilloscopes and ฺBNC are not included in the package !!! )

hfe calculation example

Example : To connect to analog oscilloscope