Hey Felix! Thanks for your fast reply! How do Gnucap and Qucs relate exactly? I'm curious about HB in any open source simulator. And won't mind digging around a little bit to get things working. You talk about the 'linear HB' of Qucsator, but many of the basic linear building blocks in Qucs (dc blocks/feeds, biasT, transmission lines, current probes) are not supported with Qucs' HB even though they are 'linear'. What decides whether or not a block is supported (in any) simulator? I.e. where in the...
Support for Harmonic Balance simulation