Create a parts list for the following schematic only number

Create a parts list for the following schematic - only numbers of each kind of component are necessary. (Don\'t forget the speaker and count the different kinds of capacitors, transistors, and resistors as separate kinds)

Solution

The following circuit uses following components :

1)capacitors : a) C2 &C3 :Normal capacitors (Non-Polarized)    b)C1:electrolytic capacitor. ---count:3

2)Resistors :a)R1,R2 :Fixed resistors b) R3:Variable resister.    ---count:3

3)OPAMP:U1,U2 are OPAMP used here                                   ---count:2

4)Diode :D1                                                                                 ---count:1

5)Transistors : a)Q1 :NPN Transistor    b)Q2 : PNP Transistor ---count:2

6)Power supply with V+ & V- as its two terminals.                    ---count:1

7)Audio Input :can be Mic or any other audio device.              ---count:1

8)Speaker                                                                                      ---count:1