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Circuit Diagram of Three in One Tone Generator

Circuit Diagram of Three in One Tone Generator

IC1

14

13

12

11

10

9

8

1

2

3

4

5

6

7

OUTPUT

R7

INPUT2

INPU1

R6

C4

C3

R5

C2

R1

R2

D1

C1

+5V

R3

R4

D2

Circuit Diagram of Three in One Tone Generator

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publish time: 2020-09-22
Kiraaaa

This is a unique tone generator circuit that can generate three distinct tones according to the sound, generating three different logic levels (ie 0-1, 1&0, and 1&1). The circuit is designed around the digital IC 7400 (NAND gate). The operation of the circuit is like that of an oscillator circuit, where the frequency depends on the capacitors C1 and C2.

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