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1.Easy to use and quick to get started
2.The process supports design scales of 300 devices or 1000 pads
3.Supports simple circuit simulation
4.For students, teachers, creators
Profession
1.Brand new interactions and interfaces
2.Smooth support for design sizes of over 5,000 devices or 10,000 pads
3.More rigorous design constraints, more standardized processes
4.For enterprises, more professional users
Ongoing
STD PulseToDTMFConverter
License: GPL 3.0
Mode: Editors' pick
- 0
Update time：
2019-02-12 11:52:11
Creation time：
2019-02-12 09:38:00
Description
Pulse Dialling to DTMF Converter
Based on http://tech.mattmillman.com/projects/building-your-own-pulse-to-tone-converter/
Design Drawing
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| ID | Name | Designator | Footprint | Quantity | BOM_Supplier | BOM_Manufacturer | BOM_Manufacturer Part | BOM_Supplier Part |
|---|---|---|---|---|---|---|---|---|
| 1 | ATTINY85-20SU | U1 | SOIC-8_208MIL | 1 | LCSC | MICROCHIP | ATTINY85-20SU | C89852 |
| 2 | BC547B Tube | Q1 | TO-92(TO-92-3) | 1 | LCSC | CJ | BC547B Tube | C2092 |
| 3 | 4.7KΩ(472) | R1 | 0603 | 1 | LCSC | YAGEO | RC0603FR-074K7L | C99782 |
| 4 | 100KΩ(1003) | R2,R3,R4,R5 | 0603 | 4 | LCSC | WTC | WR06X1003FTL | C132374 |
| 5 | 330Ω | R6 | 0603 | 1 | LCSC | UniOhm | 0603WAF3300T5E | C23138 |
| 6 | 1SMAF4749A | D1 | SMAF | 1 | LCSC | Shandong Jingdao Microelectronics | 1SMAF4749A | C169535 |
| 7 | BL78L05 | U2 | SOT-89(SOT-89-3) | 1 | LCSC | BL | BL78L05 | C84447 |
| 8 | 10nF(103) | C1,C2 | 0603 | 2 | LCSC | SAMSUNG | CL10B103KC8NNNC | C84709 |
| 9 | 22pF | C3,C4 | 0603 | 2 | LCSC | MuRata | GRM1882C1H220JA01D | C85969 |
| 10 | 100nF(104) | C5,C6 | 0603 | 2 | LCSC | AVX | 06033C104KAT2A | C143640 |
| 11 | Header-Male-2.54_1x4 | H1 | DIP-1X4P-2.54MM-M | 1 | LCSC | Ckmtw | 210S-1*4P L=11.6MMGold-plated black | C124378 |
| 12 | 4MHz | X1 | TXAL-3*8 | 1 | LCSC | YXC | X30804MSD2SC | C11220 |
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