Electronic Power Supply Circuit Trainer Model ETR 030

Model ETR 030A – HALF WAVE, FULL WAVE & BRIDGE RECTIFERS

Model ETR 030B – REGULATED POWER SUPPLY CIRCUIT TRAINER-I

Model ETR 030C – REGULATED POWER SUPPLY CIRCUIT TRAINER-II

Item Description

Model ETR 030A:

Capacitor Bank consisting of Two Capacitors of 220μf each
Center Tapped Transformer Secondary providing 12V-0-12V

Model ETR 030B:

Load Block consisting of One Resistance and One Potentiometer of 5K Center Tapped Transformer Secondary providing 12V-0-12V

Model ETR 030C:

Load Block consisting of One Resistance and One Potentiometer of 5K
Center Tapped Transformer Secondary providing 12V-0-12V
One LED indicator to indicate Power input.

Technical Specifications

Model ETR 030A

– One LED indicator to indicate Power input.
– On-board Circuits
– Half wave circuit involving one 1n4007 diode.
– Full wave Circuit involving two 1n4007 diode.
– Bridge Circuit involving one 1n4007 diode.
– Filter Circuit
– 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 030B

One LED indicator to indicate Power input. On-board Circuits
– Zener Regulator (Shunt) with Current Boost Transistor.
– Series Regulator.
– LM723 Regulator. 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 030C

On-board Circuits
– Zener Shunt Regulator.
– Voltage Multiplier.
– Current Regulator.
All interconnections are made using 2mm banana Patch cords.
Bare board Tested Glass Epoxy PCB is used.
Set of 2mm Patch cords for interconnections