Electronic Component And Valves Mounted On Board

Components are placed in Bakelite/ Metal Cabinets & connections are brought out at 4 mm Terminals/Sockets.

PN Junction Diode on Board (IN 34 or equivalent).
Zener Diode (8.2V or any other value) on board.
PNP/ NPN Transistor on Board
LDR (5mm on board)
Thermistor on board (Any valve from 100 ohm-100K ohm).
Diode valve (6H6) on board.
Diode valve (6AL5) on board.
Triode valve (6J5/6C5) on board.
Triode valve (ECC 82) on board.
Tetrode/Pentode Valve (6SJ7) on board.
Thyratron Valve (2D21) on Board.
Thyratron Valve (2051) on Board.
Photo Cell Selenium type mounted in the box.
Photo Cell Vacuum type mounted in the wooden box with aperture for light.

  Diode Valve Characteristics Apparatus with DC Regulated Power supply

Objective: Vl Characteristics of Diode Valve at various filament voltages.

Features: Instrument comprises of DC Regulated Power Supply 0-250VDC/30mA, Variable AC Power Supply 6.3 VAC/1Amp,two round meters for voltage & current measurement.

  Triode Valve Characteristics Apparatus with DC Regulated Power Supply

Objective : VI Characteristics of Triode Valve at various Grid voltages.
Features : Instrument comprises of DC Regulated Power Supply 0-300VDC/ 30mA & 0-15VDC/10mA, AC Power Supply 6.3 VAC/1Amp, two round meters for voltage & current measurement.

  Tetrode/Pentode Valve Characteristics Apparatus with DC Regulated Power Supplies

Objective : Plate & Screen Characteristics of Tetrode & Pentode valve at various Grid voltages
Features :Instrument comprises of Two DC Regulated Power Supplies 0-300VDC/30mA & One 0-15 VDC/10mA, AC Power Supply 6.3 VAC/1Amp, four round meters for voltage & Current measurement, valve diagram is Printed on Front panel, connections of Supplies & Valve brought out at 4mm Socket/Terminals.

  Ionization Potential of Mercury using Thyratron valve 2D21/2051

Objective :To draw V-I Characteristics of Thyratron Valve & calculate its Ionization Potential.
Features :Instrument comprises of DC Regulated Power Supply 0- 15VDC/150mA & AC Power Supply 6.3 VAC/1Amp, two round meters for voltage & current measurement, valve diagram is Printed on Front panel, connections of supplies & valve brought out at 4 mm Sockets.

  Thyratron Valve Characteristics Apparatus using Thyratron valve 2D21

Objective : To draw VI Characteristics of Thyratron valve at various Grid Voltage.
Features : Instrument comprises of Two DC Regulated Power Supplies 0-5VDC/150mA, 0-15VDC/150 mA, AC Power Supply 6.3 VAC/1Amp, three round meters for voltage & current measurement, valve diagram is Printed on Front Panel, connections of Supplies & Valve brought out at 4 mm Sockets.

  Planks Constant Apparatus

Objective : To plot Forward & Reverse Characteristics of a Vacuum Photo cell & to Calculate its stopping Potential.
Features : Dual range Power Supply 0-1VDC/ 0-50 VDC with one dual range voltmeter & one sensitive micrometer of 100μA. Photo cell mounted in wooden box having window for injecting light, variable intensity light source & three colored filters.

  Photo Cell Characteristics Apparatus

Objective : To plot forward & reverse Characteristics of a Selenium Photo cell & to verify Inverse Square Law of Light.
Features : Selenium Photo cell mounted in metal box, light source. Photocell Kit with DC voltmeter of 1V & DC micrometer of 500μA, light source & required no. of patchcords.

  Hall effect Experiment

Features : The set up consists of electromagnet of 7.5 Kg, Power supply for electromagnet 0-100V/4 Amp with meter. Germanium crystal mounted & its constant current power supply 0-20 mA fitted with two digital meters for Hall’s voltage & crystal current. Gauss meter digital 0-20 K. Guass with Hall probe.

  Work Function of Diode (Richardson Law)

Objective :To draw the graphs between heater current vs heater resistance, Anode voltage vs anode current.
Features : Instrument comprises of DC Regulated power supply of 0-6 V & 0-300 V. Two volt meters & two current meters are mounted on the front panel. Valve diagram is printed on the panel & connection are brought out on sockets/terminals.