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Std EditionSSB Two-Tone Test Generator

License: Public Domain

Published Time:2019-05-27 18:38:53
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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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