Audio amplifier and LED

ABU KHALAF

عضو جديد
إنضم
29 أكتوبر 2009
المشاركات
16
مجموع الإعجابات
0
النقاط
0
iam eletronic student ....currently i am doing project with audio amplifier and LED.

i need to design a 0.5w audio amplifier with mute and volume control....the design should allow user to select two different bandwidth....selected choice must be indicated visually using LED...the power supply is +- 12V ...the leval of baseband signal is 250mv pk to pk at 1khz...

components should be used ...MicroA741. TDA7052A, regulator (LM78,
L05), transistor 2N2222......
any one who is interested in this subject can pay for him
and reply to me in this or in
[email protected]
 

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