I try to create your simple LFO, but it seems that it's not simple enough for me :p
I'm a very beginner in electronic and I'm French so I speak broken english as well.
Anyway I try to follow the schematics and I have nothing on the output when I plug it to a guitar amp. (maybe it's normal ?)
What I want is something simple to generate a frequency audible in a speaker in between 0 and approx 48khz square or triangular.
I Use a 4558 IC, a 1uF for C and a 47uf electro for generating the Vb.
A/ I'm not sure I plugged correctly the potentiometer, I mean is it always like on the drawing with the middle, being the middle pin ? Is that important if you invert the left and right pin on the potentiometer ? I is normal one of the pin of the 100k speed is not plugged ? it should be on the gnd ?
B/ Is it normal that I measure 9V at Vb
C/ I use 87kohm for the close 100k resistance, Is that too close ?