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<DIV>In a message dated 08/03/2012 12:24:49 GMT Standard Time, mdilli@nnwifi.com
writes:</DIV>
<BLOCKQUOTE
style="BORDER-LEFT: blue 2px solid; PADDING-LEFT: 5px; MARGIN-LEFT: 5px"><FONT
style="BACKGROUND-COLOR: transparent" color=#000000 size=2 face=Arial>I may be
wrong but I've always expected the capacitance of coax to be<BR>expressed from
shield to center conductor, not serially. In this case you<BR>would not
have a simple series connection of two capacitors and the<BR>equipment in
question.<BR><BR>Morris <BR></FONT></BLOCKQUOTE></DIV>
<DIV></DIV>
<DIV>Hi All</DIV>
<DIV> </DIV>
<DIV>If the length of the coax is significantly less than 1/8 wavelength at the
operational frequency then I would suggest that it can be treated as a
capacitor. 93ohm coax has a significantly lower capacitance per unit length than
an equivalent 50ohm coax.</DIV>
<DIV> </DIV>
<DIV>RG58 is 100pF per metre, RG62 is 44.6pF/m, RG8X is 75pF/m and RG174
is 101pF/m. </DIV>
<DIV> </DIV>
<DIV><FONT lang=0 size=2 face=Arial FAMILY="SANSSERIF"
PTSIZE="10">73<BR></FONT><FONT lang=0 color=#0000ff size=4 face=Arial
FAMILY="SANSSERIF" PTSIZE="14"><I><BR>Bob</FONT><FONT lang=0 color=#000000
size=2 face=Arial FAMILY="SANSSERIF" PTSIZE="10"></I><BR>Bob F Burns<BR>C Eng,
FIET, MSE<BR>Amateur Radio Callsign: G3OOU<BR>Registered RSGB
Instructor<BR>G-QRP Member No: 6907; Zone: 14, QRA: IO91WH; WAB:
TQ25<BR>Secretary of Crystal Palace Radio & Electronics Club: <A
href="http://www.g3oou.co.uk/">www.g3oou.co.uk</A><BR>Technical web site: <A
href="http://www.qsl.net/g3oou">www.qsl.net/g3oou</A></FONT></DIV></FONT></BODY></HTML>