CEM3340 VCO copy

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STD CEM3340 VCO copy

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Cloned from CEM3340 VCO

Update time： 2022-03-28 20:53:16

Creation time： 2019-02-17 07:20:51

Description

https://www.muffwiggler.com/forum/viewtopic.php?t=170054

Design Drawing

schematic diagram

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PCB

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BOM

ID	Name	Designator	Footprint	Quantity
1	CEM3340	U2	DIP16-2.54-19.2X7.62MM	1
2	1N4148W	D1	DO-35	1
3	22u	C2,C1	CAP-D5.0XF2.0	2
4	TL074CDT	U3	TL074 DIP-14	1
5	1.5nf 1%	C16	CAP-SAFE-12.0*5.0	1
6	4.7u	C5	CAP-SC_6.5X2.5XP5.0	1
7	100n	C15,C14,C9,C6,C7	CAP-SC_6.5X2.5XP5.0	5
8	10n	C10,C11,C8,C4	CAP-SC_6.5X2.5XP5.0	4
9	1u	C3	CAP-SC_6.5X6XP5.0	1
10	Eurorack Power Connector	P3	POWERCONNECTOR_ER	1
11	2N3904	Q1,Q2	TO-92(TO-92-3)	2
12	100k	RT6/SQU,RT4/TRI,RT5/SAW,RT7/SINTRIM	TRIMMER_TH	4
13	10k	RT2/SCALE,RT3/OFFS	TRIMMER_TH	2
14	100k	FINE,PWM,FMAMT,COARSE	POTENTIOMETER_PIHER_T16H_SINGLE_VERTICAL	4
15	20k	RT1/HF	TRIMMER_TH	1
16	50k	RT8/SINSYM	TRIMMER_TH	1
17	INPUT	P1	HDR-IDC-2.54-2X5P	1
18	470	R20,R25,R38,R42	R_AXIAL-0.3	4
19	100k	R11,R6,R3,R30,R34,R10	R_AXIAL-0.3	6
20	1M	R21	R_AXIAL-0.3	1
21	1.8k	R22	R_AXIAL-0.3	1
22	1.5M	R23	R_AXIAL-0.3	1
23	560k	R24,R9	R_AXIAL-0.3	2
24	140k	R12	R_AXIAL-0.3	1
25	300k	R5,R31	R_AXIAL-0.3	2
26	10	R2,R1	R_AXIAL-0.3	2
27	47k	R13,R26,R4	R_AXIAL-0.3	3
28	270k	R27,R35	R_AXIAL-0.3	2
29	130k	R28	R_AXIAL-0.3	1
30	1k	R29,R33,R37,R46	R_AXIAL-0.3	4
31	5.6k	R14,R17	R_AXIAL-0.3	2
32	150k	R32	R_AXIAL-0.3	1
33	10k	R15,R40,R41	R_AXIAL-0.3	3
34	91k	R36	R_AXIAL-0.3	1
35	680	R16	R_AXIAL-0.3	1
36	220	R39	R_AXIAL-0.3	1
37	24k	R18	R_AXIAL-0.3	1
38	33k	R43,R44	R_AXIAL-0.3	2
39	68k	R45	R_AXIAL-0.3	1
40	27k	R50	R_AXIAL-0.3	1
41	200k	R49,R7,R19	R_AXIAL-0.3	3
42	51k	R8	R_AXIAL-0.3	1
43	SPDT	FMMODE	SW	1
44	LP2985AIM5-10/NOPB	U1	SOT-23-5	1
45	OUTPUT	P2	HDR-IDC-2.54-2X4P	1