DIY Perks Mic Preamp SMD

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STD DIY Perks Mic Preamp SMD

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Cloned from DIY Perks Mic Preamp THT

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Update time： 2022-12-29 16:46:28

Creation time： 2022-01-18 23:16:52

Description

PCB for the project from DIY Perks video:
https://www.youtube.com/watch?v=LoQu3XXIayc

!!!NOT YET TESTED!!!, but this is basically an orderable board. Components used are from LCSC and should be orderable with SMT assembly service. The 5V to +-15V PSU is still THT, but the "THAT1512" chip is not in JLCPCB's assembly list. Could try farnell or something else. Try to order it with the 15V PSU.

The comically large capacitor could be smaller, but Matt stated that the big capacitance was needed as in the original tests there was interference and this large capacitor had fixed it. Further testing needs to be done, but if you are fine with the size, feel free to use this!

THAT1512 replacement parts:

THAT1510

INA217

INA163

SSM2019

SSM2017

Design Drawing

schematic diagram

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Schematic SMD
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PCB

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PCB_DIY Perks Mic Preamp SMD
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BOM

BOM download Purchase Parts

ID	Name	Designator	Footprint	Quantity
1	744-81-02TW0A	5V,GAIN,OUT	CONN-TH_2P-P2.54-V-M_744-81-02TXXX	3
2	22uF	C1,C2,C3	C1206	3
3	22uF	C4,C5,C6	CAP-SMD_L3.5-W2.8-R-RD	3
4	100nF	C7,C8,C9	C0805	3
5	744-81-03TW00	MIC	CONN-TH_3P-P2.54-V-M_744-81-03TW00	1
6	3.9K	R1,R2	R0805	2
7	2.2K	R3,R4,R5,R6	R0805	4
8	100	R7,R8	R1206	2
9	THAT1512SO8-U	U1	S08	1
10	NMA0515SC	U2	SIP-7	1