SSB Two-Tone Test Generator

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STD SSB Two-Tone Test Generator

License: Public Domain

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Update time： 2021-12-23 10:47:07

Creation time： 2019-05-27 10:38:53

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.

Design Drawing

schematic diagram

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Main PCB
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PCB

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Layout 2
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BOM

BOM download Purchase Parts

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