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วงจรขยายและ�เชื่อมต่อสัญญาณ

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Transistor Matching

NPN

PNP

BC 337 BC 327

TIP 3055 TIP 2955

2 SD 96 2 SB 496

2 SD 155 2 SA 616

2 N 3904 2 N 3906

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