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RANDOM*SOURCE

 

RANDOMSOURCE.NET

3

Serge 

Slopes (DTG)

Bill of Materials

Trimmers

2  100k

DSG: Offset

Trimpot (Bourns 3362P, Vishay T73YP104KT20 or similar)  
DSG: to adjust the uni-polar output to a range of 0V to 5V

2 5k

DSG: 1V/Oct

Trimpot (Bourns 3362P, Vishay T73YP502KT20 or anything that 
matches the footprint) to adjust the tracking of the 1V/Oct input. 
Single turn is sufficient.

2  2K or more

DSG: LED brightness  
(

instead of RLED resistors

)  

- on panel pcb - 

Trimpot (Bourns 3362P or Vishay T73YP202KT20 or anything that 
matches the footprint) to adjust the LED brightness. Pick value 
depending on LED (see text). 

Optional - use trimpot or LED resistors (not both!)

Resistors

(4) (2k*)

RLED*

Pick according to LEDs and desired brightness  
only 

if not using trimmers for LED brightness

!

Headers / pin connectors - DSG side

-

SIL header 8pol

OMIT - NOT NEEDED!

(8-pin connector, links main pcb to component pcb)

4 SIL header 10pol

10-pin connector, links main pcb to component pcb

 
Misc

1 MTA-156

MTA-156 power connector

 8 Banana Jacks  

RED

DSG: TRIG IN, GATE OUT,

Emerson-Johnson  
Mouser: 530-108-0902-1 (red) or Thonk

2 Banana Jacks 

BLACK

2x IN,

Emerson-Johnson  
Thonk / Mouser: 530-108-0903-1 (black)

5  Banana Jacks 

WHITE

CV / unipolar 

Emerson-Johnson  
Thonk / Mouser: 530-108-0901-1 (white)

2  LED 5mm

low current

pick color to suit LED lens

2 LED lens 5mm

VCC, Mouser 593-3000R (red), 593-3000A (amber) ...

4  Potentionmeter 

50k

SSG: linear (B50K)

Alpha 9mm vertical pcb mount 
available from Thonk, Tayda

6  Potentionmeter 

50k or 100k

linear (B50K or B100K) 

Alpha 9mm vertical pcb mount 
available from Thonk, Tayda

1 SPDT Switch SUB 

(

2 positions

)

ON - ON 
CYCLE

SUB-Miniature

 - Mountain-Switch 

Mouser: 108-0042-EVX

2 SPDT Switch 

(

3 positions

)

ON - OFF - ON 
DSG: RISE / BOTH / FALL

SUB-Miniature

 - Mountain-Switch 

Mouser: 108-0044-EVX

6 Davies knobs

1900H - Thonk

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