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Standard
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 5QESR
License: TAPR Open Hardware License
Mode: Editors' pick
- 2
Update time：
2021-04-11 14:08:04
Creation time：
2017-12-27 13:13:16
Description
The 5 Transistor ESR as detailed on the EEVBlog forum.
I have created this project and made up a through hole version of the PCB as part of my Amateur Radio training / Exams.
Feel free to review / use this project. It is not my design that credit goes to Jay_Diddy_B over on the EEVBlog.
73 Paul M6KUR
Design Drawing
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 10k | R2,R3,R13,R22 | AXIAL-0.3 | 4 |
| 2 | 3k3 | R4 | AXIAL-0.3 | 1 |
| 3 | 4k7 | R5,R7 | AXIAL-0.3 | 2 |
| 4 | 1k5 | R6,R11 | AXIAL-0.3 | 2 |
| 5 | 150 | R8 | AXIAL-0.3 | 1 |
| 6 | 3 | R10 | AXIAL-0.3 | 1 |
| 7 | 30 | R12 | AXIAL-0.3 | 1 |
| 8 | 27k | R14,R21 | AXIAL-0.3 | 2 |
| 9 | 330 | R15,R19 | AXIAL-0.3 | 2 |
| 10 | 1k2 | R17,R18 | AXIAL-0.3 | 2 |
| 11 | 33 | R16,R20 | AXIAL-0.3 | 2 |
| 12 | 1 | R24 | AXIAL-0.3 | 1 |
| 13 | BC547 | Q1,Q2,Q4,Q5 | TO-92(TO-92-3) | 4 |
| 14 | BC557 | Q3 | TO-92(TO-92-3) | 1 |
| 15 | 1n5 | C2 | RAD-0.1 | 1 |
| 16 | 1u | C3,C4 | RAD-0.1 | 2 |
| 17 | 22n | C8,C7,C5 | RAD-0.1 | 3 |
| 18 | 2u2 | C6 | RAD-0.1 | 1 |
| 19 | ES1D | D1,D2 | DO-35 | 2 |
| 20 | 1N5711W | D3,D4 | DO-35 | 2 |
| 21 | 9V DC | VIN | HDR1X2 | 1 |
| 22 | 7805 | U1 | TO220 | 1 |
| 23 | 100n | C10,C9 | RAD-0.1 | 2 |
| 24 | Meter | METER | 1X02 | 1 |
| 25 | Test Cap | DUT | 1X02 | 1 |
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