RTA10 – 10 Bands Real Time Audio Analyzer
Block Diagram
RTA10 – Block Diagram
Input stage, Vref Generator, Filters F01, F02
RTA10 – Input – VRef – Filters 01-02
Filters F03…F10
RTA10 – Filters 03-10
Elaboration Stage
RTA10 – Elaboration Stage
LEDs Display Matrix
RTA10 – LEDs Display Matrix
Bill Of Materials
| Part | Value | Description/Notes |
|---|---|---|
| R1-R2 | 47k | |
| R3-R4 | 10k | |
| R5 | 3.3k | |
| R6 | 47k | Potentiometer |
| R7 | 51k | |
| R8 | 3.9k | |
| R9 | 47k | |
| R10 | 33 | |
| R11 | 10k | |
| R12 | 100k | Potentiometer |
| R13 | 10k | |
| R14 | 15k | |
| R15 | 1.2k | |
| R16 | 150k | |
| R17 | 10k | |
| R18 | 9.1k | |
| R19 | 680 | |
| R20 | 91k | |
| R21 | 10k | |
| R22 | 3.3k | |
| R23 | 240 | |
| R24 | 33k | |
| R25 | 10k | |
| R26 | 5.1k | |
| R27 | 390 | |
| R28 | 51k | |
| R29 | 10k | |
| R30 | 6.8k | |
| R31 | 510 | |
| R32 | 68k | |
| R33 | 10k | |
| R34 | 2.7k | |
| R35 | 220 | |
| R36 | 27k | |
| R37 | 10k | |
| R38 | 2.4k | |
| R39 | 180 | |
| R40 | 24k | |
| R41 | 10k | |
| R42 | 8.2k | |
| R43 | 680 | |
| R44 | 82k | |
| R45 | 10k | |
| R46 | 2.4k | |
| R47 | 180 | |
| R48 | 24k | |
| R49 | 10k | |
| R50 | 5.6k | |
| R51 | 390 | |
| R52 | 56k | |
| R53 | 10k | |
| R54 | 39k | |
| R55 | 100k | |
| R56-R66 | 10k | |
| R67-89 | 33 | |
| C1-C2 | 2.2uF | Electrolytic capacitor, 25V |
| C3 | 33pF | Ceramic capacitor |
| C4-C6 | 4.7uF | Electrolytic capacitor, 25V |
| C7-C8 | 100nF | Film capacitor |
| C9 | 47uF | Electrolytic capacitor, 25V |
| C10-C11 | 390nF | Film capacitor |
| C12 | 220nF | Film capacitor |
| C13-C14 | 330nF | Film capacitor |
| C15 | 220nF | Film capacitor |
| C16-C17 | 470nF | Film capacitor |
| C18 | 220nF | Film capacitor |
| C19-C20 | 150nF | Film capacitor |
| C21 | 220nF | Film capacitor |
| C22-C23 | 56nF | Film capacitor |
| C24 | 220nF | Film capacitor |
| C25-C26 | 68nF | Film capacitor |
| C27 | 220nF | Film capacitor |
| C28-C29 | 39nF | Film capacitor |
| C30 | 220nF | Film capacitor |
| C31-C32 | 5.6nF | Film capacitor |
| C33 | 220nF | Film capacitor |
| C34-C35 | 10nF | Film capacitor |
| C36 | 220nF | Film capacitor |
| C37-C38 | 2.2nF | Film capacitor |
| C39 | 220nF | Film capacitor |
| C40 | 100nF | Film capacitor |
| C41 | 100nF | Film capacitor |
| C42 | 47uF | Electrolytic capacitor, 25V |
| C43-C44 | 10nF | Film capacitor |
| C45 | 100nF | Film capacitor |
| C46 | 10uF | Electrolytic capacitor, 25V |
| C47-C50 | 100nF | Film capacitor |
| D1-D10 | 1N4148A | Switching Diode |
| TR1-TR10 | BC337 | NPN Transistor |
| LED1-LED100 | LED | |
| IC1-IC4 | TL084P | Quad Low Noise Op-Amp. |
| IC5 | CD4518N | Dual BCD Up Counter |
| IC6 | LM555JN | Precision Timer |
| IC7 | CD4067N | 16-channel Analog Multiplexer |
| IC8 | CD4028N | BCD to Decimal Decoder |
| IC9 | LM3915N | 3dB-Step Led Driver |
| IC10-IC11 | CD4050N | Hex non-inverting Buffer |
| S1 | Toggle Switch |
