How to make a circuit on the Veroboard | How to make the LM386 audio amplifier circuit

Описание: Audio amplifier circuit
#LM386 #amplifier #audioamplifier #amp

We know that the amplifier is the device that can increase the signal power.LM386 is an audio power integrated circuit ( 1.25W ) most commonly used in TV, Radio, and Tape player audio amplifier stages.

TimeLine.
45:46 Testing the LM386 amplifier circuit
00:00 Prepare circuit board
00:24 Item List
00:30 Circuit Diagram
03:14 Connects terminal blocks to the circuit board
06:24 Connects ic base
09:30 C1- 10µF Capacitor
11:46 IC pin 4 to the volume controller
12:42 Volume controller to the C1 capacitor pin
14:28 IC pin 3 to volume controller middle pin
16:01 IC pin 4 to terminal block connected path
17:20 Pin 2 to pin 4 jumper
18:50 Pin 2- C2 10µF Capacitor - pin 7
20:36 Pin2- C2
22:32 C2- pin7
24:26 Pin5 out to C3 0.047µF Capacitor
26:06 Connects 10Ω Resisters
29:08 Make overlap paths
29:28 Pin5 output to the C4 470µF Capacitor
31:18 C4 470µF Capacitor to the terminal block out
33:26 Pin 6 to the terminal block positive
35:16 LM386 gain configuration ( more details refer to datasheet)
36:08 Cutting the overlap paths
40:00 Checking the LM386 amplifier circuit by using the multimeter
43:24 Connecting the circuit
45:46 Testing the LM386 amplifier circuit

Item list for the amplifier.
1)10KΩ Volume Controller - 1
2)10Ω Resisters - 1
3)LM386 (IC) - 1 ///(better to have extra ic)
4)8Ω,3W Speaker ( better 3 inch speaker) - 1
5)10µF/16V Capacitor - 2
6)470µF/16V Capacitor - 1
7)0.047µF/50V or 100V Capacitor ( 0.047µF =47nF=47000pF/ 473) - 1
8)Veroboard - 1
9)9V Battery Holder Clip & 9V Battery - 1
10)PCB Terminal Block - GMKDS 3/ 2 or similar type two pin terminal block - 1
11)PCB Terminal Block - similar type three pin terminal block - 1
12)Jumper Wire - 2m
13)Short screen wire with stereo or mono audio Jack - 1
14)Soldering Iron & Solder Wire (~1m) - 1