where should I put a freq-pot in the OSC

[file1116]

I got the schematics of an traingle osc, but there is no resistor to control the frequency...I want to put it in ..but I dont know where should I built it in.

here is the schematics:

http://www.interq.or.jp/japan/se-inoue/e_ckt16.htm

thanx
JD

 

[Anonymous]

R1 would control the frequency, i think. this is the resistor in the integrator charge path.

for further experiments i'd tried to put an attenuating pot/trimmer in front of R1 (one pin of the potentiometer tied to pin7 TL082, wiper to R1, 3rd pin via another resistor to ground). that's what i see on other LFO schematics at least.