hi
on the chip - check your soldering?
pots for those who want more.
(if you are using +/-12V you need to on the input to the 311).
hope this helps
andrew
>side, so
> - i hear the VCO only if i "touch" the TL072 on the lower left
> i assume the ground is somwhere missed or wrongly connected.i had this problem once on a VCO and found i hadn't soldered one pin
on the chip - check your soldering?
>for the
> a) i know about the 0V/GND, GND and VG, which one to use
> ground connection of the Input/output Jacks ?use 0V or GND. The VG input is for connecting up extra inputs or
pots for those who want more.
> b) Tune pot/Fine Tune pot, both values 100K or 1M/100K ??use 100K for tune and 1M for fine tune.
> c) When using +/- 15V, which resistors need to be changedon the
> recent version ?nothing, just stuff as marked.
(if you are using +/-12V you need to on the input to the 311).
hope this helps
andrew