DPW Design Zero 2 Handleiding

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Z ZZero 2-2, Dual ero Difference

Thanks for purchasing a Z-2. We hope it becomes an essential part of your modular synthesizer.

The Z-2 is a two channel zero difference trigger that can be CV controlled.

It is the same evaluating click-less switching control circuit used in our D-2, 4-Band Distortion module but

with all the ins and outs accessible to make it as useful as possible in the context of a modular synthesizer.

The Z-2 was mainly designed for audiorate wave-splicing together with a Switch but it can also be used to

detect zero crossings of signals, to detect zero difference between two signals, to perform click free

switching, to add jitter to signals, to synchronize signals and many other things. It is mainly designed to be

used in combination with other modules such as the Switch module but can also be used on its own.

As the technical nature of this module can get a little abstract we thought we should start with some clear

examples of its use.

There is a more detailed description further on in the manual for those that are interested.

Controls

A

A is one of the inputs to a comparator (B is the other). A is compared to B. If the voltage on A is

higher than B then Out will go high if D is high or Out will go low if D is low. D is controlling what Out

will be after A has become higher than B.

A is normalled to 0V if nothing is connected.

B

B is the other input to the comparator.

B is normalled to 0V if nothing is connected.

D

D is controlling what Out will be after A has become higher than B (a zero event).

D is a logic input but works with audio too. A signal 1V or more is seen as a logical high signal.

If nothing is connected to D the output is just controlled by A and B and will toggle from high to low or

low to high every time it gets triggered by the comparator (free running mode).

Out

Out is a logic output where high is +5V and low is 0V.

It is meant as a logic control signal but can of cause be used as audio.

The LED next to the Out shows the status of the output signal.

In short you can compare two signals on A and B and when they are equal Out will toggle.

Or you can compare signals on A and B but Out will only switch to what you tell it to switch to by the

signal in on D.

This sounds simple but can give you access to functions that are hard to achieve in other ways.

Device specs

Module size:2 hp wide, 29 mm deep with power connector.

Input impedance:100 kohm

Out impedance:1 kohm

Power requirements:+12V. Max power consumption 10 mA

-12V. Max power consumption 3 mA

Connect the power cable with the red stripe towards the marking -12V on the board.

The unit is protected for reverse power.

DPW Design, Häradsvägen 200, 14171 Segeltorp, Sweden

www.dpw.seMAN-Z-2 Rev B

Product specificaties