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Date: Sun, 15 Jul 2012 11:40:32 +0100 (BST)
From: Daniele Tincani <danieletincani@yahoo.com>
To: "rsgb_lf_group@blacksheep.org" <rsgb_lf_group@blacksheep.org>
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Subject: Re: LF: OT - Two questions about toroids
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For second question I have just found a complete (and negative) answer in a=
 nice freeware program "mini Ring Core Calculator" by Wilfried Burmeister, =
DL5SWB.=0A=0ACheers=0AD.=0A=0A=A0 =0A=0A________________________________=0A=
 Da: Daniele Tincani <danieletincani@yahoo.com>=0AA: "rsgb_lf_group@blacksh=
eep.org" <rsgb_lf_group@blacksheep.org> =0AInviato: Domenica 15 Luglio 2012=
 12:32=0AOggetto: LF: OT - Two questions about toroids=0A  =0A=0AHello LF,=
=0A=0AI have two questions about toroids that probably someone in the list =
could help me with:=0A=0A1) I recovered two unknown toroids from a TV set w=
hich included a DVD player. Apparently they were used as common mode chokes=
 in the middle of=A0multi-wire flat cables connected between the TV main bo=
ard and the DVD player. Could they be of some use in LF-MF=A0circuits?=0A=
=0A2) More OT: I have some unused FT114-43 toroids. I wonder if they could =
be used as a substitute of T80-2 toroids in small (QRP) HF antenna tuners t=
hat I'm planning to build for 14 MHz.=0A=0AMany thanks for reading.=0A=0A73=
=0ADaniele IZ5WWB
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<html><body><div style=3D"color:#000; background-color:#fff; font-family:Co=
urier New, courier, monaco, monospace, sans-serif;font-size:10pt"><div><spa=
n>For second question I have just found a complete (and negative) answer in=
 a nice freeware program "mini Ring Core Calculator" by Wilfried Burmeister=
, DL5SWB.</span></div><div>Cheers</div><div>D.</div><div><br>&nbsp;</div>  =
<div style=3D"font-family: Courier New, courier, monaco, monospace, sans-se=
rif; font-size: 10pt;"> <div style=3D"font-family: times new roman, new yor=
k, times, serif; font-size: 12pt;"> <div dir=3D"ltr"> <font size=3D"2" face=
=3D"Arial"> <div style=3D"margin: 5px 0px; padding: 0px; border: 1px solid =
rgb(204, 204, 204); height: 0px; line-height: 0; font-size: 0px;" class=3D"=
hr" contentEditable=3D"false" readonly=3D"true"></div>  <b><span style=3D"f=
ont-weight: bold;">Da:</span></b> Daniele Tincani &lt;danieletincani@yahoo.=
com&gt;<br> <b><span style=3D"font-weight: bold;">A:</span></b>
 "rsgb_lf_group@blacksheep.org" &lt;rsgb_lf_group@blacksheep.org&gt; <br> <=
b><span style=3D"font-weight: bold;">Inviato:</span></b> Domenica 15 Luglio=
 2012 12:32<br> <b><span style=3D"font-weight: bold;">Oggetto:</span></b> L=
F: OT - Two questions about toroids<br> </font> </div> <br><meta content=3D=
"off" http-equiv=3D"x-dns-prefetch-control"><div id=3D"yiv593528318"><div><=
div style=3D"color: rgb(0, 0, 0); font-family: Courier New, courier, monaco=
, monospace, sans-serif; font-size: 10pt; background-color: rgb(255, 255, 2=
55);"><div>Hello LF,</div><div>&nbsp;</div><div>I have two questions about =
toroids that probably someone in the list could help me with:</div><div>&nb=
sp;</div><div>1) I recovered two unknown toroids from a TV set which includ=
ed a DVD player. Apparently they were used as common mode chokes in the mid=
dle of&nbsp;multi-wire flat cables connected between the TV main board and =
the DVD player. Could they be of some use in
 LF-MF&nbsp;circuits?</div><div>&nbsp;</div><div>2) More OT: I have some un=
used FT114-43 toroids. I wonder if they could be used as a substitute of T8=
0-2 toroids in small (QRP) HF antenna tuners that I'm planning to build for=
 14 MHz.</div><div>&nbsp;</div><div>Many thanks for reading.</div><div>&nbs=
p;</div><div>73</div><div>Daniele IZ5WWB</div><div>&nbsp;</div></div></div>=
</div><meta content=3D"on" http-equiv=3D"x-dns-prefetch-control"><br><br> <=
/div> </div>  </div></body></html>
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