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400w Audio amplifier schema and layout

400w Audio amplifier schema and layout 400w power amplifier schema and layout using 2SC2922, 2SA1216, BD140, BD139, TIP41c, 2N5401 PA 400w using 2SC2922, 2SA1216, BD140, BD139, TIP41c, 2N5401

Booster Audio mixer circuit diagram

  Booster Audio mixer circuit diagram using KA22242 DUAL EQUALIZER PRE-AMPLIFIER WITH ALC The KA22242 is a monolithic integrated circuit consist-ing of a dual equalizer amplifier with ALC and Mute function, and it is suitable for stereo radio cassette tape recorders. APPLICATION INFORMATION DESCRIPTION OF KA22242 The KA22242 has a simple package, 10-pin and built-in […]

Audio amplifier circuit diagram using ic TA7222AP

Audio amplifier circuit diagram using  ic TA7222AP 2822    

Low Noise Balanced Microphone Preamp

Low Noise Balanced Microphone Preamp using NE5532

Audio systems

7.5w Audio systems Circuit using AN7108 R1,4 …….. 330 ohm R2,5 …….. 5K6 R3,6 …….. 180K VR ………. 5K C1,3,5,7 …. 1nF C2,6 …….. 10uF/10V C4,8 …….. 22nF C9 ………. 100uF/10V C10,11,15 … 47uF/10V C16,17 …… 22nF IC1 ……… AN7108 7.5w Audio systems Circuit using AN7108

Alternating on/Off Control circuit

Alternating on/Off Control – This circuit using 2N3904, PMV65XP

DC Power Supply Schematic

AC Adaptor / power supply AC Adaptor / power supply using STRS6707, TLP621, TLP721, 2SC3852

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