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STD Tremolo
Tremolo
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Update time：
2021-08-17 18:02:38
Creation time：
2021-08-17 11:29:41
Description
Description
Using a 555 timer in astable mode as the control signal to a (4066) bilateral switch, whose input is an amplified audio signal (i.r., from an LM386). The output from the switch resembles tremolo.
Runs on +9V.
Design Drawing
Design Drawing
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 10uF | C1 | CASE-A_3216 | 1 |
| 2 | 1nF | C2,C8 | C0603 | 2 |
| 3 | 10nF | C3,C6,C7 | C0603 | 3 |
| 4 | 5nF | C4 | C0603 | 1 |
| 5 | 680uF | C5 | CASE-A_3216 | 1 |
| 6 | 4.7uF | C9 | CASE-A_3216 | 1 |
| 7 | K2-3.6×6.1_SMD | KEY1,KEY2 | KEY-SMD_2P-L6.2-W3.6-LS8.0 | 2 |
| 8 | LED-0603_R | LED1,LED2 | LED0603_RED | 2 |
| 9 | 10 | R1 | R0603 | 1 |
| 10 | 220 | R2,R3 | R0603 | 2 |
| 11 | 10K | R4 | R0603 | 1 |
| 12 | 50K | RP1 | RES-ADJ-TH_3386P | 1 |
| 13 | 20K | RP2 | RES-ADJ-TH_3386P | 1 |
| 14 | NE555P | U1 | DIP-8_L9.8-W6.6-P2.54-LS7.6-BL | 1 |
| 15 | LM386N-3 | U2 | DIP-8_L9.8-W6.6-P2.54-LS7.6-BL | 1 |
| 16 | CD4066BCN | U3 | DIP14 | 1 |
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