Audio Spectrum Analyzer Circuit
CD40XX integrated spectrum analyzer circuit based on the LM3914 display driver and used a total of 100 projects have two versions of Led pcb, diagrams, etc. The frequency list. There are all the files. Spectrum Analyzer Circuit test Frekvencia... Electronics Projects, Audio Spectrum Analyzer Circuit "audio control circuits, " Date 2019/08/01
CD40XX integrated spectrum analyzer circuit based on the LM3914 display driver and used a total of 100 projects have two versions of Led pcb, diagrams, etc. The frequency list. There are all the files.
Spectrum Analyzer Circuit test
| Frekvencia (Hz) | R1 (Ohm) | R2 (Ohm) | R3 (Ohm) | C (F) |
| 30 | 10k | 12k | 47k | 330n |
| 60 | 4,7k | 10k | 20k | 330n |
| 120 | 2k | 15k | 9,1k | 330n |
| 250 | 10k | 39k | 47k | 33n |
| 500 | 4,7k | 43k | 22k | 33n |
| 1000 | 2,8k | 6,8k | 11,4k | 33n |
| 2000 | 1,2k | 6,8k | 5,6k | 33n |
| 4100 | 6,2k | 27k | 27k | 3,3n |
| 8200 | 3k | 10k | 15k | 3,3n |
| 16400 | 1,3k | 47k | 6,8k | 3,3n |
Source: http://www.freeweb.hu/pa-elektronika/spektrum_analizator.htm Audio Spectrum Analyzer Circuit pcb shematic Alternative link:
FILE DOWNLOAD LINK LIST (in TXT format): LINKS-1016.zip
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