Characteristics of Semiconductors MODEL ETR 039 SERIES

Model ETR 039A: - Resistance Block consisting of One Resistance of 1K and One Potentiometer of 100K. - One LED indicator to indicate Power input. - On-board Semiconductor Devices - Silicon Diode - Germanium Diode - Zener Diode. - Light Emitting Diode. - DIAC - Variable DC power supply : 0 to ± 15 V/150mA - Variable DC power supply : 0 to ± 30 V/150mA - All interconnections are made using 2mm banana Patch cords. - Bare board Tested Glass Epoxy PCB is used. - Set of 2mm Patch cords for interconnections   MODEL ETR 039B: - Variable Power Supply of 0 to +15 DC - Variable Power Supply of 0 to +30 DC - One LED indicator to indicate Power input. - On-board Circuits - CE Configuration. - CC Configuration. - CB Configuration. - All interconnections are made using 2mm banana Patch cords. - All ICS are mounted on IC Sockets. - Bare board Tested Glass Epoxy PCB is used. - Set of 2mm Patch cords for interconnections MODEL ETR 039C - Resistance Block consisting of One Resistance of 1K and One Potentiometer of 100K. - One LED indicator to indicate Power input. - On-board Semiconductor Devices - MOSFET - FET/JFET - IGBT - Variable DC power supply : 0 to + 15 V/150mA - Variable DC power supply : 0 to + 30 V/150mA - All interconnections are made using 2mm banana Patch cords. - Bare board Tested Glass Epoxy PCB is used. - Set of 2mm Patch cords for interconnections MODEL ETR 039D - Resistance Block consisting of One Resistance of 1K and One Potentiometer of 100K. - One LED indicator to indicate Power input. - On-board Semiconductor Devices - OPTO Configuration - UJT Configuration - PUT Configuration - Variable DC power supply : 0 to + 15 V/150mA - Variable DC power supply : 0 to + 30 V/150mA - All interconnections are made using 2mm banana Patch cords. - Bare board Tested Glass Epoxy PCB is used. - Set of 2mm Patch cords for interconnections MODEL ETR 039E - Resistance Block consisting of One Resistance of 1K and One Potentiometer of 100K. - Load of 1K, 5W resistance - One LED indicator to indicate Power input. - On-board Circuits - SCR Configuration - TRIAC Configuration - Variable DC power supply : 0 to + 15 V/150mA - Variable DC power supply : 0 to + 30 V/150mA - All interconnections are made using 2mm banana Patch cords. - Bare board Tested Glass Epoxy PCB is used. - Set of 2mm Patch cords for interconnections MODEL ETR 039F: - Resistance Block consisting of One Resistance of 1K and Two Potentiometer of 100K. - One LED indicator to indicate Power input. - On-board Circuits - LDR-Configuration - Lamp Block - Solar Cell Configuration - Photo Transistor/ Photo Diode Configuration - Fixed DC Power Supply: 0 to +12V - All interconnections are made using 2mm banana Patch cords. - Bare board Tested Glass Epoxy PCB is used. - Set of 2mm Patch cords for interconnections