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Project

Projecttitel: AMSynths 8125 VCO in MOTM

Status: IN BUILD

Startdate: 30 jan 2017

Duedate: 30 August 2017

Manufacture link:

this product isn´t yet tested (by me) the BOM has few errors.

 

on OPA2277  pin5 and 6 must be swapped (see schematics)

on REF voltage IC add 100nf between pins 6 to ground

 

Build notice:

AM8125 Project Notes V1.0.pdf

 

BOM: (most important parts, except caps, resistors)

quantityPart  
1OP2277 or op177 DIP8  
1SSM2210  
1TL074  
1-32N3906  
1-32N3904  
ca. 51N914/1N4148  
    
1

10V ref. voltage REF01 10V DIP8

or SOIC8 with adapter

  
1

5V rev. voltage

REF02 5V DIP8 or SOIC8 with adapter

 

  
1LT1012  
2

4pole double switch

(DP4T switch)

sw2, sw3 
11p5t rotary switchsw1 
2100k trimmer multiturn  
12k2 multi  
1100 long multi  
210k multi  
4100k potis lin