Re: 1.5uh adjustable inductors

On 10/5/06 8:02 PM, in article
1160103754.750583.296030@xxxxxxxxxxxxxxxxxxxxxxxxxxxx, "MikeCoombs"
<mike@xxxxxxxxxxxxxxxxx> wrote:


Homer J Simpson wrote:

"MikeCoombs" <mike@xxxxxxxxxxxxxxxxx> wrote in message
news:1160100151.217510.228590@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

Had a look to the Silicon Chip Online site and couldn't find any
working links to retailers. Maybe I'm just going mad but surely, the
circuit was designed THIS YEAR so I just can't understand why this part
is so tough to get hold of. If it'd been designed in 1982 I could
understand it...Thanks for the help anyway. Anyone else got a UK based
clue for me?

Jaycar Electronics stores & dealers throughout Australia
(head office Sydney, tel (02) 9741 8555
*** Smith Electronics stores & dealers throughout Australia
(head office Sydney, tel 02 9642 9100
Altronics stores in Perth, dealers around Australia
|(head office Perth, tel 08 9328 1599
Oatley Electronics mail order only, tel 02 9584 3563
DIY Electronics (HK) Ltd PO Box 88458, Sham Shui Po, Hong Kong
Voice: 0011 852 2304 2250 Fax: 0011 852 2729 1400
Ozitronics Australian online kit manufacturer
and designer. Located in Melbourne, Australia.

Printed circuit boards and programmed PIC chips for SILICON CHIP projects
are available from RCS Radio, Sydney, tel (02) 9738 0330



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<DIV><FONT size=2></FONT>&nbsp;</DIV>
<DIV><FONT size=2>"MikeCoombs" &lt;</FONT><A
href="mailto:mike@xxxxxxxxxxxxxxxxx";><FONT
size=2>mike@xxxxxxxxxxxxxxxxx</FONT></A><FONT size=2>&gt; wrote in message
</FONT><A
href="news:1160100151.217510.228590@xxxxxxxxxxxxxxxxxxxxxxxxxxx";><FONT
size=2>news:1160100151.217510.228590@xxxxxxxxxxxxxxxxxxxxxxxxxxx</FONT></A><F
ONT
size=2>...</FONT></DIV>
<DIV><FONT size=2></FONT>&nbsp;</DIV>
<DIV><FONT size=2>&gt; Had a look to the Silicon Chip Online site and
couldn't
find any<BR>&gt; working links to retailers.&nbsp; Maybe I'm just going mad
but
surely, the<BR>&gt; circuit was designed THIS YEAR so I just can't understand
why this part<BR>&gt; is so tough to get hold of.&nbsp; If it'd been designed
in
1982 I could<BR>&gt; understand it...Thanks for the help anyway.&nbsp; Anyone
else got a UK based<BR>&gt; clue for me?<BR></FONT></DIV>
<DIV>
<TABLE width="100%" border=0>
<TBODY>
<TR>
<TD vAlign=top><A href="http://www.jaycar.com.au/";><FONT size=2>Jaycar
Electronics</FONT></A></TD>
<TD vAlign=top><FONT size=2>stores &amp; dealers throughout
Australia<BR>(head office Sydney, tel (02) 9741 8555</FONT></TD></TR>
<TR>
<TD vAlign=top><A href="http://www.dse.com.au/";><FONT size=2>*** Smith
Electronics</FONT></A></TD>
<TD vAlign=top><FONT size=2>stores &amp; dealers throughout
Australia<BR>(head office Sydney, tel 02 9642 9100</FONT></TD></TR>
<TR>
<TD vAlign=top><A href="http://www.altronics.com.au/";><FONT
size=2>Altronics</FONT></A></TD>
<TD vAlign=top><FONT size=2>stores in Perth, dealers around
Australia<BR>|(head office Perth, tel 08 9328 1599</FONT></TD></TR>
<TR>
<TD vAlign=top><A href="http://www.oatleyelectronics.com/";><FONT
size=2>Oatley Electronics</FONT></A></TD>
<TD vAlign=top><FONT size=2>mail order only, tel 02 9584
3563</FONT></TD></TR>
<TR>
<TD vAlign=top><A href="http://kitsrus.com/";><FONT size=2>DIY Electronics
(HK) Ltd</FONT></A></TD>
<TD vAlign=top><FONT size=2>PO Box 88458, Sham Shui Po, Hong
Kong<BR>Voice: 0011 852 2304 2250 Fax: 0011 852 2729
1400</FONT></TD></TR>
<TR>
<TD vAlign=top><A href="http://www.ozitronics.com/";><FONT
size=2>Ozitronics</FONT></A></TD>
<TD vAlign=top><FONT size=2>Australian online kit manufacturer<BR>and
designer. Located in Melbourne,
Australia.</FONT></TD></TR></TBODY></TABLE>
<P><FONT size=2>Printed circuit boards and programmed PIC chips for SILICON
CHIP
projects<BR>are available from </FONT><A
href="http://www.cia.com.au/rcsradio";><FONT size=2>RCS Radio</FONT></A><FONT
size=2>, Sydney, tel (02) 9738 0330</FONT></P>
<P><FONT size=2></FONT><FONT size=2></FONT>&nbsp;</P></DIV></BODY></HTML>

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Just checked them out, no luck. Plenty of fixed axials on a couple of
them, but no adjustables. I've mailed the designer of the board now to
see where he gets his parts from!


What configuration is required for the inductor. I *assume* for the moment
that you want slug-tuned. What size limitations, and wire spacing for
mounting to the board. I may be able to wind you a couple, but I'm not sure
the form would be the same for each of them - I need to find my stash of
small coil forms.

Don

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