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DESCRIPTION
TZ0 is an analog voltage-controlled
triangle-core oscillator with the ability to
modulate through zero-frequency (See
figure 1). This allows for deeper,
cleaner, more natural sounding
frequency modulation and allows for
additional sonic expression not
available with standard linear FM. TZ0
is a 12 HP Eurorack module which is
available as a pre-built module or as a
DIY project. This VCO has been
engineered for extremely good 1 V/oct
response over a large tuning range and
great thermal stability.
Figure 1: A typical triangle wave modulating
through a zero-frequency crossing
© 2023 Weston Precision Audio
SPECS
Module Size: 12HP
VCO Output (All outputs ~1kOhm
Impedance): Sine, Triangle*, Sawtooth,
Square*, Pulse
(* = Directly from VCO core)
Inputs (All inputs >=100kOhm
Impedance): 1 Volts/Octave, Linear
Frequency Modulation, FM Modulation
Envelope, Sync, Pulse Width Modulation
All wave outputs: 10 Volts peak-to-peak
nominal
VCO range: 0Hz - 28kHz
Power input: +12V & -12V via standard
10 pin Eurorack connector.
Power consumption (+12V / -12V):
Typ: 75mA / 60mA
Max: 85mA / 70mA
Tuning error: < +/- 5 cents over 7 octave
typical
MAXIMUM LIMITS
Supply Voltage: +13.5V / -13.5V
FM, PWM, and Sync Inputs: 20Vpp
(nominal 10Vpp)
Envelope Input: +10V (nominal 0-5V)
1 Volt/Oct Input: +12V
2
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