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MFOS Volt per Ocatve Calibrator

MFOS Volt per Ocatve Calibrator

Features (Source: MFOS)

  • Variable Cycle Rate

  • 0V thru 3V and 0V thru 7V settings

  • Very accurate when resistors are hand selected to 0.1%

  • Facilitates calibration of Volt Per Octave modules.


BOM (source mfos)

 

Qty.

Description

Value

Designators

Qty.

Description

Value

Designators

1  

CD40106  

CD40106  

U1  

1  

CD4520 Dual Binary Counter  

CD4520  

U2  

2  

TL071 Op Amp  

TL071  

U3, U4  

2  

Diode 1N914  

VALUE  

D1, D2  

1  

Diode Zener  

1N5239B  

Z1  

2  

Cermet Multiple Turn Trim Pot  

100K  

R14, R16  

1  

Cermet Multiple Turn Trim Pot  

10K  

R10  

1  

Linear Potentiometer  

1M  

R11  

2  

Resistor 1/4 Watt 1%  

1.5K  

R15, R17  

2  

Resistor 1/4 Watt 1%  

100K  

R7, R9  

5  

Resistor 1/4 Watt 1%  

200K  

R3, R4, R6, R8, R13  

1  

Resistor 1/4 Watt 1%  

20K  

R5  

2  

Resistor 1/4 Watt 5%  

10K  

R1, R20  

1  

Resistor 1/4 Watt 5%  

1K  

R2  

2  

Resistor 1/4 Watt 5%  

20K  

R12, R19  

1  

Resistor 1/4 Watt 5%  

220K  

R18  

4  

Capacitor Ceramic  

.1uF  

C3, C4, C6, C7  

2  

Capacitor Ceramic  

.22uF  

C5, C9  

2  

Capacitor Electrolytic  

10uF  

C2, C8  

1  

Capacitor Electrolytic  

220uF  

C1  

2  

Switch SPST  

SPST  

S1, S2  

1  

Switch SPST N.O. Push Button  

SPST  

S3  

1  

Jack 1/4" 2 Terminal  

Jack 1/4" 2 Terminal  

J1  

 

 

Related content

how to bugfix: https://diysynth.wiki.dsl-man.de/wiki/spaces/SKM/pages/336101402/How+to+bugfix

non commercial pages, all infos are best can do without warranty, without liability.