> You may find some help from the Andrew Corp who manufacture slotted > Radiax coaxial cable for comms.-- if they are not your competitor that is. > Their catalogue has an interesting section on Radiax system design > considerations p no. 730 in their no. 37 cat. You may also be able to get > some idea from their cable specifications. > I only have an address: > 10500W, 153rd Str, Orland Park, Il USA 60462. Perhaps the WWW may have > more for you. > Another way is analysis using perhaps HP CAD s/w, High Frequency Structure > Simulation (if my memory is not failing here), which is not for the > un-iniated in my limited experience. I do not know of any other > literature. > I did not respond earlier as I did not think I could help much. Wish you > luck. > In my own words, > Barry Bates , BAe, Cowes, England. > > > -----Original Message----- > From: TechNet > Sent: 28 October 1999 16:37 > To: s=TechNet(a)IPC.ORG;o=INTERNET;p=BAE;a=GOLD 400;c=GB; > Subject: [TN] Slot Effects on impediance for Coax > > > > Does any one out there know of a book, website or other location that I > might > find some calculational information on how to compensate for that change. > I > know that the impedance will go up, the question is; How much and how does > it > change with different diameters? > > Any and all responses would be appreciated. > ############################################################## TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c ############################################################## To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: To subscribe: SUBSCRIBE TECHNET <your full name> To unsubscribe: SIGNOFF TECHNET ############################################################## Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information. If you need assistance - contact Gayatri Sardeshpande at [log in to unmask] or 847-509-9700 ext.5365 ##############################################################