Russell McMahon wrote: > Roll yer own 1 Ghz probe. > Beautiful it's not. > Functional it may be. > Its frequency compensation (step 5) uses an extremely unusual value > of Just :-) I wasn't suggesting this for such high bandwidths. I was thinking of a 10x probe for a "normal" scope with 60 or 100 MHz bandwidth. That can be (usually is) done with two resistors, two caps, and a trim cap. ******************************************************************** Embed Inc, Littleton Massachusetts, http://www.embedinc.com/products (978) 742-9014. Gold level PIC consultants since 2000. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist