The series of amplifiers that are used on the television audio, amplifier used amplifier ICs, including the IC:
• AN7523• AN7522
• TDA2616
Third series of the function with the same system, namely BTL (Bridge Transformer Less). By using such configuration we get several advantages, namely no use coupling capacitors or coupling transformers.
Block diagram of circuit in the IC AN7522, AN7523 and TDA2616 as in the image below :
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| Schematic AN7522 |
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| AN7523 amplifier schematic |
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| Schematic TDA2616 |
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