Regulated power Supplies Omega Type ETB-29:
OMEGA TYPE ETB-29 Experimental Training Board has been designed specifically for the study of various techniques used for designing transistorised voltage regulated power supplies. A voltage regulated power supply forms an essential part of manyelectronic equipment.
Practical experience on these boards carries great educative value for Science and Engineering Students.
OBJECT
- To study half wave rectification.
- To study full wave rectification.
- To study measurement of ripple and ripple reduction methods using the following:
(a) Capacitor filter. (b) Inductor filter. (c) Choke input of L.C. filter. (d) CLC or π filter.
- To study Zener-diode voltage regulator circuit.
- To study series voltage regulator.
- To study series regulator with current limiting.
- To study error feed-back type series voltage regulator.
- To study the use of Darlington transistor pair for increasing the current capability of series voltage regulator.
- To study a shunt voltage regulator with current limiting.
- To study a shunt voltage regulator with adjustable current limiting.
- To study a 0-9V D.C. continuously variable voltage regulated power supply and measure the following:
- (a) Line regulation. (b) Load regulation. (c) Ripple factor.
FEATURES
- The board consists of the following built-in parts :
1. 9V A.C. at 300mA, Power Supply. 2. 0-200mA Electronic load. 3. Three NPN and one PNP transistor including a power transistor. 4. 4 diodes, 3 Zener diodes, 2 potentiometers, 1 inductor.
- Adequate no. of other electronic components.
- Mains ON/OFF switch, Fuse and Jewel light.
- The unit is operative on 230V ±10% at 50Hz A.C. Mains.
- Adequate no. of patch cords stackable from rear both ends 4mm spring loaded plug length ½ metre.
- Good Quality, reliable terminal/sockets are provided at appropriate places on panel for connections/observation of waveforms.
- Strongly supported by detailed Operating Instructions, giving details of Object, Theory, Design procedures, Report Suggestions and Book References.
- Weight 4.2 Kg. (Approx.)
- Dimension 387 mm L x 286 mm D x 144 mm H.
OTHER APPARATUS REQUIRED
- 0-200 mA D.C. Milliammeter OMEGA TYPE MO-65.
- 0-15V D.C. Voltmeter OMEGA TYPE MO-65.
- Variac 0-270 Volts at 2 Amp.
- Cathode Ray Oscilloscope 20MHz.
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