Zorg Effects Zorgverdrive Deluxe Скачать руководство пользователя страница 8

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Output stage:

The output stage is a simple opamp buffer and a volume knob.
C15 is a decoupling cap.
VboostPot1 is a trimpot who can be bypassed or opened by an external footswitch.
This allows to change the output value.

Содержание Zorgverdrive Deluxe

Страница 1: ...input Current consumption 40mA max Dimensions H W L 39mm 95mm 120mm Weight 400g Schematic analysis The schematic can be divided in 8 parts 1 Power block 2 Input buffer 3 Low cut filter 4 Gain stage 5...

Страница 2: ...Copyright Zorg Effects G Denneulin december 2015 For non commercial use only 2...

Страница 3: ...harge pump to create negative voltage has two advantages A bit less than 2x more headroom Virtual ground is avoided The drawback being it cannot supply a lot of op amps The negative voltage drops as m...

Страница 4: ...ecoupling cap This kind of gain clipping gain stage is very common it is used in the tube screamer pedal First resistances R5 R7 and pot TGAIN1 set the gain of the stage Gain 1 TGAIN1 R7 R5 TGAIN1 bei...

Страница 5: ...ge The clipping stage provides the choice between 4 different clippers For each clippers there s the possibility to use symmetrical or asymmetrical clipping and hard or soft clipping So there are 2 2...

Страница 6: ...rn harmonic content and thus is called hard mode Switch SW3 selects symmetrical and asymmetrical mode Note that in case the mosfets transistors are used SW3 will just remove any clipper from the gain...

Страница 7: ...760Hz for the filter center frequency The max attenuation boost at 760Hz is given by Gboost R14 x R13 Mid1 R14 R13 Mid1 R14 x R13 R14 R13 Gcut 1 Gboost Giving us Gboost 9 1 or 19 2dB Gcut 0 1099 or 19...

Страница 8: ...buffer and a volume knob C15 is a decoupling cap VboostPot1 is a trimpot who can be bypassed or opened by an external footswitch This allows to change the output value Copyright Zorg Effects G Denneu...

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