1. Colour Plastic Box

1

2. Breadboard

1

3. 3 Feet of 8 core telephone hard wire.

1

4. Op Amps

• mA741
• TL084 or TL072

5

5

5. Comparator (LM311)

4

6. LEDs

• Green (5mm)
• Red (5mm)

4

4

7. Si Diode (1N914 or 1N4148)

10

8. Zener Diode 6.8V 1W (1N957B)

2

9. JFET Transistors

• n-channel (2N5457)
• p-channel (2N4360/2N5460)

4

2

10. BJT Transistor s

• npn (2N2222/2N3904 or equivalent)
• pnp (2N3906/2N2907 or equivalent)

10

4

11. CMOS Inverter (4007)

2

12. Resistors (1/4W)

• 10W(2), 20W(2), 51W(2), 100W(10), 200W(5), 510W(5), 1kW(10), 2kW(5), 5.1kW(5), 10kW(10), 20kW(5), 51kW(5), 100kW(10), 200kW(5), 510kW(5), 1MW(4)

90 Total

13. Capacitors 28

• 100pF(4), 1nF(4), 10nF(4), 0.1mF(4), 1mF(4), 10mF(4), 100mF(4)

28 Total

14. Condenser Microphone

1