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STA543SA 数据表(PDF) 10 Page - STMicroelectronics |
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STA543SA 数据表(HTML) 10 Page - STMicroelectronics |
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10 / 23 page ![]() 3 Test board and Layout STA543SA 10/23 CD00061065 3.1 Test board parts list Table 5. Test board parts list Components Suggested Value Purpose R1, R2, R3 300k Ω DC Volume CTRL R4 10k Ω ST-BY TIME CONSTANT P1, P2, P3 100k Ω DC Vol. -CTRL C2, C4, C6 0.1 µF Vol. -CTRL Bypass C1,C3,C5,C7 0.22 µF INPUT DC DECOUPLING C8 47 µF RIPPLE REJECTION C9 10 µF ST-BY TIME CONSTANT C10 0.1 µF SUPPLY VOLTAGE BYPASS C11 1000 µF SUPPLY VOLTAGE BYPASS C12,C13 2200 µF OUTPUT DC DECOUPLING Table 6. Jumper selection Jumpers Purpose Connection JP1, JP2, JP3 DC Volume CTRL Closed JP4 Volume CTRL OUT Closed JP5, JP6 Bypass DC out Capacitors Closed connect BTL speaker Between Out 3+ And Out 3- |
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