Doepfer DIY Synth do-it-yourself analog synthesizer Manual de usuario descargar pdf (Pagina 15)

User's Guide page 15 DIY Synth Kit

JP6: LFO, ADSR and Slew Limiter connections

JP6 contains some ADSR, LFO and Slew limiter terminals.

pin header top view ribbon cable

Function Explanation Remark / Recommendation

LFO LED LFO LED display Usually connected to a dual color LED.

The second terminal of the LED is

connected to GND (e.g. the following

wire).

GND e.g. for the second terminal of the LFO

LED

ADSR SW SLOW ADSR range switch low

position

Usually connected to the terminal of a

1-0-1 toggle switch

ADSR SW COMM ADSR range switch common

terminal

Usually connected to the center terminal

of a 1-0-1 toggle switch

ADSR SW

MEDIUM

ADSR range switch medium

position

Usually connected to the terminal of a

1-0-1 toggle switch

GND

SLEW IN Input of the slew limiter Usually connected to the slew source

(e.g. CV for VCO) via a 1M...5M log

potentiometer for slew control

SLEW OUT Output of the slew limiter Can be connected e.g. to one of VCO CV

inputs to have available the portamento

function for this input

Remark: If a longer maximal slew time is wanted the value of the slew capacitor C21 (220nF)

can be increased, e.g. by soldering another capacitor in parallel to C21. But we have to point

out that in this case the warranty is void. As C21 is connected between SLEW IN and GND

the additional capacitor can be placed even outside the DIY SYNTH board.

If no slew limiter is required the slew limiter unit can be used as a non-inverting buffer. For

this the smoothing capacitor C21 should be removed.

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Doepfer DIY Synth do-it-yourself analog synthesizer Manual de usuario Pagina 15