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2.The process supports design scales of 300 devices or 1000 pads
3.Supports simple circuit simulation
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STD Pulse to DTMF Converter copy
License: GPL 3.0
Mode: Editors' pick
Cloned from Pulse to DTMF Converter
- 0
Update time：
2021-05-11 22:29:11
Creation time：
2019-07-10 00:32:18
Description
Pulse to DTMF Converter for telephone
Project on [Hackaday.io][1].
[1]: https://hackaday.io/project/28557-pulse-to-tone-converter
Design Drawing
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | MC_FIDUCIAL | MC1,MC2,MC3 | MC_FIDUCIAL | 3 |
| 2 | 470uF | C1 | CAP-D8.0XF3.5 | 1 |
| 3 | TLV431 | U2,U3 | SC_SOT23-3 | 2 |
| 4 | 27K | R1 | RE_1206 | 1 |
| 5 | 10K | R6,R7,R14,R8,R9,R10,R12,R11,R13 | RE_1206 | 9 |
| 6 | 39K | R5 | RE_1206 | 1 |
| 7 | 1K | R4 | RE_1206 | 1 |
| 8 | 56K | R3 | RE_1206 | 1 |
| 9 | 100n | C5,C7,C4 | CA_1206 | 3 |
| 10 | 15K | R2 | RE_1206 | 1 |
| 11 | BC856B | Q1 | SC_SOT23-3 | 1 |
| 12 | 8MHz | X1 | XT_HC49/US | 1 |
| 13 | 3n3 | C3,C6 | CA_1206 | 2 |
| 14 | 6n8 | C2 | CA_1206 | 1 |
| 15 | 18p | C8,C9 | CA_1206 | 2 |
| 16 | ATtiny85 | U1 | SC_SO08_208MIL_BODY | 1 |
| 17 | BAT46WH | D1,D2,D3,D4,D5 | DI_SOD123W | 5 |
| 18 | MCP6022 | U4 | SC_SO08_150MIL_BODY | 1 |
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