From: "Dennis J. Murray" To: Sent: Thursday, February 20, 2003 4:51 PM Subject: Re: [PIC]: How would I build a reflectometer? > Sorry. I misunderstood your goals. My "mistrake" Nothing to be sorry for. I just need to be a little more clear. ;-) I'm working on it. michael > ----- Original Message ----- > From: "michael brown" > To: > Sent: Thursday, February 20, 2003 4:44 PM > Subject: Re: [PIC]: How would I build a reflectometer? > > > > From: "Dennis J. Murray" > > To: > > Sent: Thursday, February 20, 2003 3:21 PM > > Subject: Re: [PIC]: How would I build a reflectometer? > > > > > > > You want a great reflection from the end? Just leave the end open or > > > shorted! A good termination impedance match doesn't return much > > signal. A > > > short or open gives you a great spike (different directions, of > > course). > > > > I may not have been clear enough. I meant that the "injection" (near) > > end would be terminated in the proper impedance to prevent ping-ponging > > of the pulse. The far end would be left as you said, either open (most > > likely) or shorted. :-) > > > > michael > > > > -- > > http://www.piclist.com hint: To leave the PICList > > mailto:piclist-unsubscribe-request@mitvma.mit.edu > > > > -- > http://www.piclist.com hint: To leave the PICList > mailto:piclist-unsubscribe-request@mitvma.mit.edu -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu