Eurorack 8HP Single VCO using 3340 IC.
Use Voltage |
Current consumption |
+12V |
19mA |
-12V |
19mA |
Name |
Description |
V/OCT |
|
FM |
|
PWM |
|
H.SYNC |
NEG/POSI/BOTH are switched by jumpers on the back |
S.SYNC |
|
Name |
Description |
PULSE |
Bipoler 8Vpp |
RAMP |
Bipoler 8Vpp |
TRIANGLE |
Bipoler 8Vpp |
SINE |
Bipoler 8Vpp |
RAMPH |
Bipoler 8~11Vpp, Morphing between from RAMP+SINE to RAMP+PULSE |
Name |
Description |
COARSE |
About 0.6Hzď˝2.8khz (1nF) About 0.06Hz(16sec)ď˝330Hz(11nF) |
FINE |
About ~8 semitone |
PW |
Pulse Width |
PWM |
PWM Depth |
FM |
FM Depth |
RAMPH |
Morphing between from RAMP+SINE to RAMP+PULSE |
![img](https://camo.githubusercontent.com/5e29452293f1a3502610a39d3f6df539060bd188dd30f4e7f2be7eb3892c6549/68747470733a2f2f6d61726b736172642e6769746875622e696f2f6173736574732f70686f746f732f32303234303431345f494d4750383638362e6a7067)
![img](_data/eeao_vco_rev1.0.0.png)
Pulse(50%)
![img](_data/eeaovco_pulse_1.png)
Pulse(0%)
![img](_data/eeaovco_pulse_2.png)
Pulse(100%)
![img](_data/eeaovco_pulse_3.png)
Ramp
![img](_data/eeaovco_upramp.png)
Triangle
![img](_data/eeaovco_triangle.png)
Sine(25%)
![img](_data/eeaovco_sine.png)
Ramph(0%)
![img](_data/eeaovco_ramph_1.png)
Ramph(25%)
![img](_data/eeaovco_ramph_2.png)
Ramph(50%)
![img](_data/eeaovco_ramph_3.png)
Ramph(100%)
![img](_data/eeaovco_ramph_4.png)
Triangle with FM
![img](_data/eeaovco_triangle_fm.png)
Triangle with H.Sync(NEG)
![img](_data/eeaovco_triangle_hsync.png)
Triangle with S.Sync
![img](_data/eeaovco_triangle_ssync.png)