VCO 3340 Sine wave

[analogoutput]

Looks very much like the problem discussed here

Debugging my Tri-Sine waveshaper

Hey guys, I just breadboarded the Thomas Henry waveshaper and hooked it up to the (buffered) triangle output of my AS3340 vco but no matter what I do, I can’t get a proper sine out of it. Instead I get only the first half of the wave and the second part is flipped over, like so: [IMG_20210204_220503] Here is the schematic of the waveshaper I’m attempting to build: [image] Some notable differences are that I’m using 12V rails and that the triangle wave out of the VCO is not 10V p/p but rat…

where it appeared the problem is that the triangle wave had a DC offset; it needs to be centered on 0 V.