Showing posts with label stk070. Show all posts
Showing posts with label stk070. Show all posts
Wednesday, November 13, 2013
140W audio amplifier with IC STK070
By using the above amplifier circuit you can hear the sound quality is quite good by a high output power. Maximum voltage circuit pa approximately 55Volt DC. 70-140W output power with impedance 8Ohm.
Part List
R1 = 10K
R2 = 1K
R3 = 0.4R
R4 = 0.4R
R5 = 4.7R
C1 = 0.015
C2 = 10uF
C3 = 220uF
C4 = 0.15uF
C5 = 220uF
C6 = 47uF
C7 = 0.047uF
U1 = STK050 , STK070
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