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Std EditionSSB Two-Tone Test Generator
License: Public Domain
Description
A two tone generator for use in testing SSB radios to see their IM3 rejection.
The design is based on a Wien bridge. The original schematic was drawn by F6CER.
Documents
| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 1N34A | D1,D2,D3,D4 | DO07 | 4 |
| 2 | 15n | C1,C3 | 1206 | 2 |
| 3 | 100n | C2,C4,C7,C8 | 1206 | 4 |
| 4 | 5k6 | R1,R9,R15 | 1206 | 3 |
| 5 | 10k | R2,R3,R4,R7,R8,R11 | 1206 | 6 |
| 6 | 2k2 | R5,R12 | 1206 | 2 |
| 7 | 1KΩ | R6,R10 | PCB_TERMINAL_BLOCK_3P | 2 |
| 8 | 12n | C5,C6 | 1206 | 2 |
| 9 | BZX55C3V6 | D5,D6 | DO-35 | 2 |
| 10 | 100R | R13 | 1206 | 1 |
| 11 | 10n | C9 | 1206 | 1 |
| 12 | 10KΩ | R14 | PCB_TERMINAL_BLOCK_3P | 1 |
| 13 | LED-3MM | LED1 | LED-3MM/2.54 | 1 |
| 14 | 3k3 | R16 | 1206 | 1 |
| 15 | EVQ22705R | ON/OFF | KEY-6.0*6.0-4 | 1 |
| 16 | 4K7 log | R17 | PCB_TERMINAL_BLOCK_3P | 1 |
| 17 | 1k | R18 | 1206 | 1 |
| 18 | 1n | C10,C11 | 1206 | 2 |
| 19 | Black headphone jack | J1 | AUDIO-PJ320 | 1 |
| 20 | PJ-320B | 12V | PJ-320B | 1 |
| 21 | 1N4007RLG | D7 | DO-41 | 1 |
| 22 | Tone Select Switch | P1 | 1.5T-3P | 1 |
| 23 | 10u - 10v | C12 | CAP-D3.0XF1.5 | 1 |
| 24 | 10u 10v | C13 | CAP-D3.0XF1.5 | 1 |
| 25 | 4u7 - 10v | C14 | CAP-D3.0XF1.5 | 1 |
| 26 | 1u | C15 | 1206 | 1 |
| 27 | VK200 | L1,L2 | FB | 2 |
| 28 | LM324 | U2 | SOP14 | 1 |
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