Eurorack/utility/README.md
2024-10-02 13:42:10 +02:00

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![](https://raw.githubusercontent.com/Fihdi/Eurorack/main/utility/Utility-Front.png)
Multiple modules on one PCB
Inverse VCO: Turns a frequency into a voltage
-No input hysteresis
Slew Rate Limiter:
-I don't know why but it does not slew when I built it, or at the very least it does not slew very noticably. Maybe just a bigger cap is needed.
Attenuverter:
-No issues but some LEDs would be nice, same for the analog XOR
AXOR (Analog XOR)
A differential amplifier followed by a full wave rectifier.
The transfer function of the CV output is: Vout = |(Vin1 - Vin2)|
When two square waves of equal amplitude are sent into the inputs, the output is (IN1 XOR IN2), this gives a kind of ringmodulator sound.
Sending a single triangle wave into IN1 or IN2 will rectify it and thus double the freuqency.
Sending two LFOs into the inputs produces a really weird (and fun) signal.
AUD output is Vout followed by a highpass to center it around 0V.