At 10/6/2009 15:46, you wrote: ><---Thanks for the info! And while the one I have IS tunable (each >stage has a Johanson type trimmer for the pass and one for the load >port)
Are you sure you didn't miss a 3rd trimmer? Every tunable isolator I have has 3 adjustments per stage, one for each port. If not, it's possible the interstage tuning (1st stage output & 2nd stage input) are fixed-tuned, which explains the narrow tunability. Bob NO6B
