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DEG 2a - Dual ADSR

 

Dual ADSR Envelope generator. 
Features...

     

Common Gate 

     

+/-12 or +/- 15V 

 

Assembly

     

Press the overlay on the panel blank 

     

Drill and clean the holes 

     

Remove the application tape and cutouts 

     

Mount the jacks, switches, pots ect... to the panel. 

     

Install the resistors 

     

Install the IC sockets 

     

Install the capacitors 

     

Cut and solder header strip pins in pads used to connect wire to the board 

     

Plug the ICs into their sockets 

     

Mount the L-Brackets to the board with 440 screws and nuts, using the non threaded end of the bracket 

     

Mount the board to the panel with 440 screws using the threaded end of the bracket 

     

Wire the panel mounted parts to the header pins. 

Notes

     

D3 and D6 are mounted to the control pots. Do not install them on the pc-board. 

     

The LEDS are no longer used you can also omit R12 and R17. 

     

For faster envelopes change R9,10,11,14,15 and 16 from 1K to 100ohms. Change C6 and 8 from 10uF to 4.7uF 

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Schematic

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