Static Characteristics of SCR, DIAC, TRIAC, MOSFET & IGBT SCR both converter and inverter grades Power rectifier diodes ordinary and fast recovery Triac Power circuit & triggering circuit UJT triggering circuit Single Phase and three phase bridge triggering circuits. (Converter type) Single Phase Mc-Murray inverter power circuit and triggering circuit DC-Chopper power circuit and triggering circuit Single Phase half and fully controlled converter power circuit Three Phase half and fully controlled converter power circuit Isolation units – (a) Pulse amplifier (6 in 1 and 8 in 1); (b) Optocoupler LC commutation units

Time Response and Frequency Response of Second Order System Closed loop system response for PID Simulation Speed control of DC Motor using closed loop feedback system Speed control of SC Motor using closed loop feedback system Study of compensating Network (Lead-Lag Network) DC Servo motor Speed Torque characteristics unit AC Servo motor Speed Torque characteristics unit Synchro Transmitter-Receiver unit PID Controller (AnalogMicroprocessor Based) DC Position Control System

AnalogLinear IC Trainer Kit: Breadboard, 555, 741, 723, 565 & allied components Digital IC Trainer Kit: 16 pin, 20 pin, 28 pin, 40 pin ZIF sockets, Breadboards with 2mm sockets, 4mm terminals & BTI-15 terminals Decade Resistance Box-4, 5 & 6 dials with 1% and 3-5% tolerances Decade Inductance Box-4, 5 & 6 dials with 1% and 3-5% tolerances Decade Capacitance Box-4, 5 & 6 dials with 1% and 3-5% tolerances

AnalogLinear IC Trainer Kit: Breadboard, 555, 741, 723, 565 & allied components Digital IC Trainer Kit: 16 pin, 20 pin, 28 pin, 40 pin ZIF sockets, Breadboards with 2mm sockets, 4mm terminals & BTI-15 terminals Decade Resistance Box-4, 5 & 6 dials with 1% and 3-5% tolerances Decade Inductance Box-4, 5 & 6 dials with 1% and 3-5% tolerances Decade Capacitance Box-4, 5 & 6 dials with 1% and 3-5% tolerances

Frax’s value-added Educational Electronic services offer best instruments to enhance the durability and educational value for the customers. In addition, Frax’s talented staff of Service Engineers and Sales Staff bring many years of experience in service and manufacturing. Frax's diversified technology, products and services are the result of ongoing innovation, creativity and solid business leadership.

1 Phase 3 Phase, D.C. Shunt Generators Motors 1 Phase 3 Phase, D.C. Series Compound Generators Machines 1 Phase 3 Phase, Squirrel Cage Slip Ring Induction motors Synchronous Alternators – Motors Machines

Static Characteristics of SCR, DIAC, TRIAC, MOSFET & IGBT SCR both converter and inverter grades Power rectifier diodes ordinary and fast recovery Triac Power circuit & triggering circuit UJT triggering circuit Single Phase and three phase bridge triggering circuits. (Converter type) Single Phase Mc-Murray inverter power circuit and triggering circuit DC-Chopper power circuit and triggering circuit Single Phase half and fully controlled converter power circuit Three Phase half and fully controlled converter power circuit Isolation units – (a) Pulse amplifier (6 in 1 and 8 in 1); (b) Optocoupler LC commutation units

Time Response and Frequency Response of Second Order System Closed loop system response for PID Simulation Speed control of DC Motor using closed loop feedback system Speed control of SC Motor using closed loop feedback system Study of compensating Network (Lead-Lag Network) DC Servo motor Speed Torque characteristics unit AC Servo motor Speed Torque characteristics unit Synchro Transmitter-Receiver unit PID Controller (AnalogMicroprocessor Based) DC Position Control System

AnalogLinear IC Trainer Kit: Breadboard, 555, 741, 723, 565 & allied components Digital IC Trainer Kit: 16 pin, 20 pin, 28 pin, 40 pin ZIF sockets, Breadboards with 2mm sockets, 4mm terminals & BTI-15 terminals Decade Resistance Box-4, 5 & 6 dials with 1% and 3-5% tolerances Decade Inductance Box-4, 5 & 6 dials with 1% and 3-5% tolerances Decade Capacitance Box-4, 5 & 6 dials with 1% and 3-5% tolerances

AnalogLinear IC Trainer Kit: Breadboard, 555, 741, 723, 565 & allied components Digital IC Trainer Kit: 16 pin, 20 pin, 28 pin, 40 pin ZIF sockets, Breadboards with 2mm sockets, 4mm terminals & BTI-15 terminals Decade Resistance Box-4, 5 & 6 dials with 1% and 3-5% tolerances Decade Inductance Box-4, 5 & 6 dials with 1% and 3-5% tolerances Decade Capacitance Box-4, 5 & 6 dials with 1% and 3-5% tolerances

Frax’s value-added Educational Electronic services offer best instruments to enhance the durability and educational value for the customers. In addition, Frax’s talented staff of Service Engineers and Sales Staff bring many years of experience in service and manufacturing. Frax's diversified technology, products and services are the result of ongoing innovation, creativity and solid business leadership.

1 Phase 3 Phase, D.C. Shunt Generators Motors 1 Phase 3 Phase, D.C. Series Compound Generators Machines 1 Phase 3 Phase, Squirrel Cage Slip Ring Induction motors Synchronous Alternators – Motors Machines