TESCA Discrete Component Trainer with power supply, oscillator and 3 multi range meters

Features:
The board consists of the following built in parts :

1. 4V5-0-4V5 A.C. at 500 mA, Power Supply.
2. 0-5VA.C. at 50mA, Power Supply.
3. 0-70V D.C. at 50 mA, continuously variable Power Supply.
4. ± 12V D.C. at 250 mA, IC regulated and short circuit protected Power Supply.
5. 0-20V D.C. at 50 mA, IC Regulated Power Supply.
6. 5V D.C. at 100mA, IC Regulated Power Supply.
7. A.C. / D.C. Voltmeter, 65mm rectangular dial, with switch selectable ranges of 1V, 10V and 100V.
8. Two D.C. Ammeters, 65mm rectangular dial, with switch selectable ranges of 50 mA/500mA/5mA /50mA/500mA.
9. Pulser with Dual Polarity, selectable output.
10. 1 KHz Sine wave source with variable output level.
11. LEDs for visual indication of Input & Output status.
12. Speaker, LED, 8 diodes, 5 Zener diodes, Diac, SCR, Triac, 2 FET, UJT, 7 Transistors, 1 matched transistor pair, 67 resistors, 27 capacitors, 6 potentiometers, Electronic Load, indicator, Audio Transformer.
13. 12 V, OEN Relay with one change over contacts rated at 6 Amp. for resistive and 3 Amp. for inductive Load at 230V.
14. Mains ON/OFF switch, fuse and Neon Indicator are provided.
15. The unit is operative on 230V ±10% at 50Hz A.C. Mains.
16. Adequate no. of patch cords stackable from rear both ends 2mm spring loaded plug length ½ metre.
17. Good Quality, reliable terminal/sockets are provided at appropriate places on panel for connections & observation of waveforms.
18. Strongly supported by detailed Operating Instructions, giving details of Object, Theory, Design procedures, Report Suggestions and Book References.

Other Apparatus Required:

1. Sine Square Wave Oscillator
2. Cathode Ray Oscilloscope 20MHz