JFET RIAA

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STD JFET RIAA

License: Public Domain

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Update time： 2020-05-27 06:31:47

Creation time： 2019-06-18 05:51:00

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Design Drawing

schematic diagram

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Mainboard mono
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PCB

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PCB_2020-04-13 15:55:05
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BOM

BOM download Purchase Parts

ID	Name	Designator	Footprint	Quantity
1	BD140	Q1,Q4,Q6,Q8,Q9,Q14,Q12,Q17	TO-126_L7.5-W2.5-P2.3-B	8
2	2SC9013	Q2,Q3,Q5,Q7,Q11,Q13,Q15,Q16	TO-92(TO-92-3)	8
3	IEC320 C14	U22	BULGIN_PX0575/20/PC	1
4	Power Switch	POWERSWITCH,POWERSWITCH	NONE	2
5	1000u/25V	C11,C12,C9,C19	CAP-D10.0×F5.0	4
6	1u	C10,C18	CAP-D10.0×F5.0	2
7	10	R27,R63	R_AXIAL-1.0	2
8	LM317T-DG	U7,U8,U19,U24	TO-220-3_L10.0-W4.5-P2.54-L	4
9	2W10	U20,U23	RECTIFIER	2
10	TL431ACLPG	U9,U10,U11,U12,U13,U14,U15,U16	TO-92-3_L4.9-W3.7-P1.27-L	8
11	0.1u	C16,C17	C1206	2
12	LiPo battery	BAT1,BAT2,BAT3,BAT4,BAT5,BAT6,BAT7,BAT8	BATTERY_CONTACTS	8
13	Transformateur Torique	U21	TALEMA 2X18V 15 AND 25 VA 700XX SERIES	1
14	39	R29,R36,R40,R44,R45,R50,R54,R61	R_AXIAL-0.4	8
15	500	R30,R35,R39,R43,R46,R51,R55,R60	R_AXIAL-0.4	8
16	15k	R31,R34,R38,R42,R47,R52,R56,R59	R_AXIAL-0.4	8
17	22k	R32,R33,R37,R41,R49,R53,R57,R58	R_AXIAL-0.4	8
18	270	R28,R62	R_AXIAL-0.4	2
19	5k	RP3,RP4,RP5,RP6,RP7,RP8,RP9,RP10,RP2,RP13	RES-ADJ-TH_3386P	10
20	50 10-turn	RP1,RP14	RES-ADJ-TH_3386P	2
21	1N4007W	D1,D2	SOD-123_L2.8-W1.8-LS3.7-RD	2
22	1M	R3,R2,R9,R10,R19,R13,R16,R20	AXIAL-0.4	8
23	11k	R7,R6	AXIAL-0.4	2
24	3.2k	R8	AXIAL-0.4	1
25	1k	R14,R17,R18,R15	AXIAL-0.4	4
26	100k	R22,R21,R24,R23	AXIAL-0.4	4
27	47k	R1	AXIAL-0.4	1
28	SRD-03VDC-SL-C	K1	RELAY-SL-SRD	1
29	0.1uF	C3,C1,C2	CAP_26X16	3
30	39nF	C4	CAP_15	1
31	LSK489	U1,U3,U5,U6	TO-71	4
32	OUTPUT	H2	HDR-TH_3P-P2.54-V	1
33	INPUT	H1	HDR-TH_3P-P2.54-V	1
34	0.1u	C5,C6	CAP_26X16	2
35	2.2u	C7,C8	CAP_26X16	2
36	50	R4,R11	RES-ADJ_3386P	2
37	10k	R5,R12	RES-ADJ_3386P	2
38	-15V	P2	PAD_3-1MM	1
39	+15V	P1	PAD_3-1MM	1
40	GND	P3	PAD_3-1MM	1
41	From MM/MC Switch	P4	HDR-1X1/2.54	1
42	100k	R26	AXIAL-0.3	1
43	50k	R25	AXIAL-0.3	1
44	LM334Z/NOPB	U2,U4	TO-92-3_L4.9-W3.7-P1.27-L	2