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It is my first instructable.Lets see how to make an audio amplifier which you can use with any of your musical instruments like guitar,piano and with ...
You need the following components 1- LM 386 semiconductor (IC) 2- 100 micro Farad capacitor 3- 220 micro Farad capacitor 4- 10 ohm resistor 5- 5 kilo...
The circuit which we are going to make is. Thanks to cld000 for schematic drawing.
1- Place the LM 386 in the project board as show in the image. 2-If you pick the IC in front of you (so you can read what is written on it) then the ...
Join the one pin of 0.01 capacitor with the 2nd pin of IC. The other pin of the capacitor should be joined with the INPUT.
4-Now join the 1st pin of IC with the A pin of the 5 k ohm variable resistor. Join th A pin of this variable resistor with the C pin.Lastly join the 8...
5-Join the +ve side of the 100 micro Farad capacitor with 6th pin of the IC.The -ve of this capacitor should be joined with GND pin (4th pin of IC).
6-Join the 5th pin of IC with one side of 10 ohm resistor, the other side of the resistor should be joined with the one pin of 0.047 capacitor. The se...
7-Now again join the 5th pin of the IC with the +ve side of 220 micro farad, the -ve side of the pin should be attached with the A of the 100 ohm vari...
8-Join the +ve pin of the 3.5mm stereo jack female with the C of the 100 ohm variable resistor.And the GND of the female jack should be attached with ...
10- Last but not the least join the +Ve of 9V battery with the 6th pin of IC and -Ve of the battery with the 4th pin of IC. Congratulation !!! you ha...
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i did all circuit and its works but GAIN doesnt work T_T!
my resistors are ok, i dont now what problem is happening.