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STD ATU board with Arduino and AD8307 directional coupler
Mode: Editors' pick
- 0
Update time：
2020-04-21 09:55:18
Creation time：
2020-03-12 18:30:04
Description
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Design Drawing
schematic diagram
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ATU PCB schematic as manufactured March 2020 V1_0
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ATU PCB schematic plus mods post manufacture V1_1
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | TRX | JP13 | THICKPIN | 1 |
| 2 | ANTENNA | JP14 | THICKPIN | 1 |
| 3 | GND | JP15,JP16,JP4,JP5 | THICKPIN | 4 |
| 4 | 56/2W | R11,R12 | 0411/12 | 2 |
| 5 | AD8307ARZ | U1,U2 | SOIC127P600X175-8N | 2 |
| 6 | 33 | R1,R7 | R0603 | 2 |
| 7 | 560 | R2,R8 | R0603 | 2 |
| 8 | 10u | C1,C2,C5,C6,C9 | C0603K | 5 |
| 9 | 1k | R3,R9 | R0603 | 2 |
| 10 | 47k | R4,R10 | R0603 | 2 |
| 11 | 1n | C3,C7 | C0603K | 2 |
| 12 | 10 | R5,R13 | R0603 | 2 |
| 13 | 1uF | C4,C8 | C0603K | 2 |
| 14 | 2k2 | R6,R14 | R0603 | 2 |
| 15 | 10u | C10 | C0805 | 1 |
| 16 | +12V | JP1 | THICKPIN | 1 |
| 17 | Power | JP2 | THICKPIN | 1 |
| 18 | SWR | JP3 | THICKPIN | 1 |
| 19 | 1kOhm-Ferrit | L1 | R0603 | 1 |
| 20 | LP2992 5v | IC2 | SOT23-5 | 1 |
| 21 | FIDUCIAL | FID1,FID2 | FIDUCIAL | 2 |
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