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Integrated amplifiers

March 18th, 2024

Integrated amplifiers using stk439

Integrated amplifiers using stk439

Integrated amplifiers using stk439

Integrated amplifiers using stk439

Integrated amplifiers

R 1 ……….. 2 K 2
R 2,4 ……… 220 K
R 3 ……….. 390 K
R 5 ……….. 100
R 6 ……….. 120
R 7 ……….. 12 K
R 8 ……….. 10

C 1 ……….. 470 pF
C 2 ……….. 100MF/50V
C 3 ……….. 10MF/25V
C 4 ……….. 1MF/50V
C 5 ……….. 220MF/25V
C 7 ……….. 1000MF/25V
C 8 ……….. 100 n

IC ………… STk439

Digit Led Display

March 18th, 2024

Digit LED Display for audio level indicator using 7414, 7493A, 1N4148, 5v

LED Display using  7414, 7493A, 1N4148, 5v

LED Display using 7414, 7493A, 1N4148, 5v

Led display board for audio level indicator using 7414, 7493A, 1N4148, 5v

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